AV Linux MX Edition
mel@mx:~
$ sh /opt/Ardour-8.6.206-dbg/bin/ardour8 --gdb
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Reading symbols from env...
(No debugging symbols found in env)
Signal        Stop	Print	Pass to program	Description
SIG32         No	No	Yes		Real-time event 32
(gdb) run
Starting program: /usr/bin/env LD_LIBRARY_PATH=/opt/Ardour-8.6.206-dbg/lib /opt/Ardour-8.6.206-dbg/bin/ardour-8.6.206
process 7250 is executing new program: /opt/Ardour-8.6.206-dbg/bin/ardour-8.6.206
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.206-dbg/share/locale
Ardour8.6.206 (built using 8.6-206-g1cd78c94d3 and GCC version 6.3.0 20170516)
[New Thread 0x7ffff47ff700 (LWP 7254)]
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-8.6.206-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
[New Thread 0x7fffdbfff700 (LWP 7255)]
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
[New Thread 0x7fffdb7fe700 (LWP 7256)]
[New Thread 0x7fffdaffd700 (LWP 7257)]
[New Thread 0x7fffda7fc700 (LWP 7258)]
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.206-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.206-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
[New Thread 0x7fffcbfff700 (LWP 7264)]
[Thread 0x7fffcbfff700 (LWP 7264) exited]
[New Thread 0x7fffcbfff700 (LWP 7265)]
[Thread 0x7fffcbfff700 (LWP 7265) exited]
[New Thread 0x7fffcbfff700 (LWP 7266)]
[New Thread 0x7fffc25ff700 (LWP 7267)]
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
[New Thread 0x7fffc09ff700 (LWP 7268)]
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.206-dbg/etc/default_ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.206-dbg/share/patchfiles
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.206-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.206-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.206-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.206-dbg/etc/clearlooks.rc
[New Thread 0x7ffff0dff700 (LWP 7269)]
[New Thread 0x7fffb3bff700 (LWP 7270)]
[Detaching after vfork from child process 7271]
[New Thread 0x7fffb33fe700 (LWP 7272)]
[Thread 0x7fffb3bff700 (LWP 7270) exited]
[Thread 0x7fffb33fe700 (LWP 7272) exited]
pingback: No Error
[Thread 0x7ffff0dff700 (LWP 7269) exited]
[Detaching after vfork from child process 7276]
[New Thread 0x7fffb33fe700 (LWP 7277)]
[Thread 0x7fffb33fe700 (LWP 7277) exited]
[New Thread 0x7fffb33fe700 (LWP 7279)]
[New Thread 0x7fffb3bff700 (LWP 7280)]
[New Thread 0x7fffb23ff700 (LWP 7281)]
[New Thread 0x7fffb1bfe700 (LWP 7282)]
[New Thread 0x7fffb13fd700 (LWP 7283)]
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.206-dbg/share/templates
[New Thread 0x7fffb0bfc700 (LWP 7284)]
[Thread 0x7fffc09ff700 (LWP 7268) exited]
[Thread 0x7fffb0bfc700 (LWP 7284) exited]
[Thread 0x7fffb13fd700 (LWP 7283) exited]
[Thread 0x7fffb23ff700 (LWP 7281) exited]
[Thread 0x7fffb3bff700 (LWP 7280) exited]
[Detaching after vfork from child process 7292]
[New Thread 0x7fffb3bff700 (LWP 7293)]
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
[New Thread 0x7ffff1869900 (LWP 7294)]
[New Thread 0x7ffff10f1900 (LWP 7295)]
[New Thread 0x7ffff01fe900 (LWP 7296)]
[New Thread 0x7fffb23ff700 (LWP 7297)]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
[New Thread 0x7fffb13fd700 (LWP 7298)]
[New Thread 0x7fffb0bfc700 (LWP 7299)]
[New Thread 0x7fff93fff700 (LWP 7300)]
[Detaching after vfork from child process 7301]
[New Thread 0x7fff937fe700 (LWP 7302)]
[Thread 0x7fff937fe700 (LWP 7302) exited]
[Thread 0x7fff93fff700 (LWP 7300) exited]
[Thread 0x7fffb0bfc700 (LWP 7299) exited]
[Thread 0x7fffb13fd700 (LWP 7298) exited]
[Detaching after vfork from child process 7303]
[New Thread 0x7fff937fe700 (LWP 7304)]
[Thread 0x7fff937fe700 (LWP 7304) exited]
[New Thread 0x7fff937fe700 (LWP 7305)]
[New Thread 0x7fffefd78900 (LWP 7309)]
[New Thread 0x7fffef9fe900 (LWP 7310)]
[New Thread 0x7fffef97a900 (LWP 7311)]
[New Thread 0x7fffef8f6900 (LWP 7312)]
[New Thread 0x7fffef5fe900 (LWP 7313)]
[New Thread 0x7fffef57a900 (LWP 7314)]
[New Thread 0x7fffef1fe900 (LWP 7315)]
[New Thread 0x7fffb13fd700 (LWP 7316)]
[New Thread 0x7fffb0bfc700 (LWP 7317)]
[New Thread 0x7fff93fff700 (LWP 7318)]
[New Thread 0x7fff6f7fe700 (LWP 7319)]
[New Thread 0x7fff6d7fa700 (LWP 7320)]
[New Thread 0x7fff62ffd700 (LWP 7321)]
[Thread 0x7fffb1bfe700 (LWP 7282) exited]
[New Thread 0x7ffff010a700 (LWP 7322)]
[New Thread 0x7fffb1bfe700 (LWP 7323)]
[New Thread 0x7fff54bff700 (LWP 7324)]
[New Thread 0x7fff4bfff700 (LWP 7325)]
[New Thread 0x7fff4b7fe700 (LWP 7326)]
[New Thread 0x7fff4affd700 (LWP 7327)]
[New Thread 0x7fff4a7fc700 (LWP 7328)]
[New Thread 0x7fff49ffb700 (LWP 7329)]
[New Thread 0x7fff497fa700 (LWP 7330)]
[New Thread 0x7fff48ff9700 (LWP 7331)]
[New Thread 0x7fff27fff700 (LWP 7332)]
[New Thread 0x7fff277fe700 (LWP 7333)]
[Detaching after fork from child process 7334]
[Detaching after fork from child process 7335]
[Detaching after fork from child process 7336]
[Detaching after fork from child process 7337]
[New Thread 0x7fff26ffd700 (LWP 7338)]
[sfizz] new synth
[New Thread 0x7fff25fff700 (LWP 7339)]
[New Thread 0x7fff257fe700 (LWP 7340)]
[New Thread 0x7fff24ffd700 (LWP 7341)]
[New Thread 0x7fff17fff700 (LWP 7342)]
[New Thread 0x7fff177fe700 (LWP 7343)]
[New Thread 0x7fff16ffd700 (LWP 7344)]
[New Thread 0x7fff167fc700 (LWP 7345)]
[New Thread 0x7fff15ffb700 (LWP 7346)]
[New Thread 0x7fff157fa700 (LWP 7347)]
[New Thread 0x7fff14ff9700 (LWP 7348)]
[New Thread 0x7fff0ffff700 (LWP 7349)]
[Thread 0x7fff0ffff700 (LWP 7349) exited]
[sfizz] new synth
[New Thread 0x7fff0ffff700 (LWP 7350)]
[New Thread 0x7fff0f7fe700 (LWP 7351)]
[New Thread 0x7fff0effd700 (LWP 7352)]
[sfizz] new synth
[New Thread 0x7fff0e3ff700 (LWP 7353)]
[New Thread 0x7fff0dbfe700 (LWP 7354)]
[New Thread 0x7fff0d3fd700 (LWP 7355)]
[New Thread 0x7fff0cbfc700 (LWP 7356)]
using block size: 8192
[Thread 0x7fff157fa700 (LWP 7347) exited]
[New Thread 0x7fff157fa700 (LWP 7357)]
using block size: 8192
[sfizz] new synth
[New Thread 0x7fff07fff700 (LWP 7358)]
[New Thread 0x7fff077fe700 (LWP 7359)]
[New Thread 0x7fff06ffd700 (LWP 7360)]
[sfizz] new synth
[New Thread 0x7fff05fff700 (LWP 7361)]
[New Thread 0x7fff057fe700 (LWP 7362)]
[New Thread 0x7fff04ffd700 (LWP 7363)]
[New Thread 0x7ffef3bff700 (LWP 7364)]
[sfizz] new synth
[New Thread 0x7ffeebfff700 (LWP 7365)]
[New Thread 0x7ffeeb7fe700 (LWP 7366)]
[New Thread 0x7ffeeaffd700 (LWP 7367)]
[sfizz] new synth
[New Thread 0x7ffeea7fc700 (LWP 7373)]
[New Thread 0x7ffee9ffb700 (LWP 7374)]
[New Thread 0x7ffee97fa700 (LWP 7375)]
[New Thread 0x7ffee8ff9700 (LWP 7376)]
[New Thread 0x7ffed7fff700 (LWP 7377)]
[New Thread 0x7ffed77fe700 (LWP 7378)]
[New Thread 0x7ffed6ffd700 (LWP 7379)]
[New Thread 0x7ffed67fc700 (LWP 7380)]
[New Thread 0x7ffed5ffb700 (LWP 7381)]
fluidsynth: warning: Instrument not found on channel 0 [bank=2 prog=58], substituted [bank=0 prog=58]
locate to 0 took 36017 usecs for 47 tracks = 766 per track
locate to 612342 took 45264 usecs for 47 tracks = 963 per track
[sfizz] about to create view: editor
[New Thread 0x7ffed57fa700 (LWP 7382)]
[New Thread 0x7ffed4ff9700 (LWP 7383)]
[New Thread 0x7ffeb7fff700 (LWP 7384)]
[New Thread 0x7ffeb77fe700 (LWP 7385)]
[New Thread 0x7ffeb6ffd700 (LWP 7386)]
[New Thread 0x7ffeb67fc700 (LWP 7387)]
[New Thread 0x7ffeb5ffb700 (LWP 7388)]
locate to 0 took 43233 usecs for 47 tracks = 920 per track
[Thread 0x7fff937fe700 (LWP 7305) exited]

Thread 1 "ArdourGUI" received signal SIGSEGV, Segmentation fault.
0x0000555555dbca18 in Editor::mid_track_drag (this=0x555559721ad0, ev=0x5555773f5740, w=...)
    at ../gtk2_ardour/editor.cc:7065
7065	../gtk2_ardour/editor.cc: No such file or directory.
(gdb) thread apply all bt

Thread 103 (Thread 0x7ffeb5ffb700 (LWP 7388) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x5555834416a8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555583441680) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 102 (Thread 0x7ffeb67fc700 (LWP 7387) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555583441428) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555583441400) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 101 (Thread 0x7ffeb6ffd700 (LWP 7386) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555583441118) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555834410f0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 100 (Thread 0x7ffeb77fe700 (LWP 7385) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555583440e98) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555583440e70) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 99 (Thread 0x7ffeb7fff700 (LWP 7384) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555583440bc8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555583440ba0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 98 (Thread 0x7ffed4ff9700 (LWP 7383) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555583440968) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555583440940) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 97 (Thread 0x7ffed57fa700 (LWP 7382) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x555583440390) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x5555834406c8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555834406a0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 96 (Thread 0x7ffed5ffb700 (LWP 7381) "AutomationWatch"):
#0  0x00007ffff36ee1e1 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7ffed5ffab80, rem=0x7ffed5ffab90) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007ffff36f39c3 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007fffeea88d48 in g_usleep () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff63c0a73 in ARDOUR::AutomationWatch::thread (this=0x555557641f00) at ../libs/ardour/automation_watch.cc:207
#4  0x00007ffff63c5de7 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x55555e7ada60, p=0x555557641f00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff63c5a78 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x55555e7ada70, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff63c51e5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x55555e7ada60) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff63c4b73 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55555e7ada58) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55555e7ada30) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 95 (Thread 0x7ffed67fc700 (LWP 7380) "autoconnect"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55555a3b2fcc) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555a3b2f78, cond=0x55555a3b2fa0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55555a3b2fa0, mutex=0x55555a3b2f78) at pthread_cond_wait.c:638
#3  0x00007ffff68b1a28 in ARDOUR::Session::auto_connect_thread_run (this=0x55555a3b0d80) at ../libs/ardour/session.cc:7949
#4  0x00007ffff68b1474 in ARDOUR::Session::auto_connect_thread (arg=0x55555a3b0d80) at ../libs/ardour/session.cc:7880
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 94 (Thread 0x7ffed6ffd700 (LWP 7379) "SessionSignals"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55555a3b2f58) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555a3b2f08, cond=0x55555a3b2f30) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55555a3b2f30, mutex=0x55555a3b2f08) at pthread_cond_wait.c:638
#3  0x00007ffff693eabd in ARDOUR::Session::emit_thread_run (this=0x55555a3b0d80) at ../libs/ardour/session_process.cc:1241
#4  0x00007ffff693ea5a in ARDOUR::Session::emit_thread (arg=0x55555a3b0d80) at ../libs/ardour/session_process.cc:1230
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 93 (Thread 0x7ffed77fe700 (LWP 7378) "ArdourGUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffed0000b60, nfds=2, timeout=60000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe6e08af7 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libusb-1.0.so.0
#2  0x00007fffe6e09c19 in libusb_handle_events_timeout_completed () from /opt/Ardour-8.6.206-dbg/lib/libusb-1.0.so.0
#3  0x00007fffe6e09d9a in libusb_handle_events () from /opt/Ardour-8.6.206-dbg/lib/libusb-1.0.so.0
#4  0x00007ffff63edfa6 in usb_hotplug_thread (user_data=0x55555757b0a0) at ../libs/ardour/control_protocol_manager.cc:87
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 92 (Thread 0x7ffed7fff700 (LWP 7377) "ArdourGUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffed7ffed10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe6e1162d in ?? () from /opt/Ardour-8.6.206-dbg/lib/libusb-1.0.so.0
#2  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#3  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 91 (Thread 0x7ffee8ff9700 (LWP 7376) "Generic MIDI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffedc05a660, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2af44b6 in BaseUI::main_thread (this=0x55555d5b82a8) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff2af8c81 in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x55555e2ef6b0, p=0x55555d5b82a8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff2af8952 in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x55555e2ef6c0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff2af8541 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x55555e2ef6b0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff2af8000 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55555e2ef6a8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55555e2ef680) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 90 (Thread 0x7ffee97fa700 (LWP 7375) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7ffee97f9c60, clockid=0, expected=0, futex_word=0x555574ea3db0) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555574ea3db0, abstime=abstime@entry=0x7ffee97f9c60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x555574ea3db0, abstime=0x7ffee97f9c60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 89 (Thread 0x7ffee9ffb700 (LWP 7374) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555574ed9db8) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555574ed9db8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x555574ed9db8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 88 (Thread 0x7ffeea7fc700 (LWP 7373) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555574ed9d90) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555574ed9d90, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x555574ed9d90, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 87 (Thread 0x7ffeeaffd700 (LWP 7367) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7ffeeaffcc60, clockid=0, expected=0, futex_word=0x555573c835b0) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555573c835b0, abstime=abstime@entry=0x7ffeeaffcc60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x555573c835b0, abstime=0x7ffeeaffcc60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 86 (Thread 0x7ffeeb7fe700 (LWP 7366) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555573cb93f8) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555573cb93f8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x555573cb93f8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 85 (Thread 0x7ffeebfff700 (LWP 7365) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555573cb93d0) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x555573cb93d0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x555573cb93d0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 84 (Thread 0x7ffef3bff700 (LWP 7364) "LV2Worker"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55556db8dd50) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6a8ddca in ARDOUR::Worker::run (this=0x55556db8dd30) at ../libs/ardour/worker.cc:145
#3  0x00007ffff6a8f13d in boost::_mfi::mf0<void, ARDOUR::Worker>::operator() (this=0x55556db8e4d0, p=0x55556db8dd30) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6a8ef6a in boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list0> (this=0x55556db8e4e0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6a8ee61 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >::operator() (this=0x55556db8e4d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6a8edaf in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55556db8e4c8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556db8e4a0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 83 (Thread 0x7fff04ffd700 (LWP 7363) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7fff04ffcc60, clockid=0, expected=0, futex_word=0x55556dc48a30) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556dc48a30, abstime=abstime@entry=0x7fff04ffcc60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x55556dc48a30, abstime=0x7fff04ffcc60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 82 (Thread 0x7fff057fe700 (LWP 7362) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556dc7eaa8) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556dc7eaa8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556dc7eaa8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 81 (Thread 0x7fff05fff700 (LWP 7361) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556dc7ea80) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556dc7ea80, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556dc7ea80, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 80 (Thread 0x7fff06ffd700 (LWP 7360) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7fff06ffcc60, clockid=0, expected=0, futex_word=0x55556ccb8690) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556ccb8690, abstime=abstime@entry=0x7fff06ffcc60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x55556ccb8690, abstime=0x7fff06ffcc60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 79 (Thread 0x7fff077fe700 (LWP 7359) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556ccee4d8) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556ccee4d8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556ccee4d8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 78 (Thread 0x7fff07fff700 (LWP 7358) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556ccee4b0) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556ccee4b0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556ccee4b0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 77 (Thread 0x7fff157fa700 (LWP 7357) "LV2Worker"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55556beeb290) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6a8ddca in ARDOUR::Worker::run (this=0x55556beeb270) at ../libs/ardour/worker.cc:145
#3  0x00007ffff6a8f13d in boost::_mfi::mf0<void, ARDOUR::Worker>::operator() (this=0x55556cb561e0, p=0x55556beeb270) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6a8ef6a in boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list0> (this=0x55556cb561f0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6a8ee61 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >::operator() (this=0x55556cb561e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6a8edaf in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55556cb561d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556cb561b0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 76 (Thread 0x7fff0cbfc700 (LWP 7356) "LV2Worker"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55556ca82290) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6a8ddca in ARDOUR::Worker::run (this=0x55556ca82270) at ../libs/ardour/worker.cc:145
#3  0x00007ffff6a8f13d in boost::_mfi::mf0<void, ARDOUR::Worker>::operator() (this=0x55556ca83e00, p=0x55556ca82270) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6a8ef6a in boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list0> (this=0x55556ca83e10, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6a8ee61 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >::operator() (this=0x55556ca83e00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6a8edaf in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55556ca83df8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556ca83dd0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 75 (Thread 0x7fff0d3fd700 (LWP 7355) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7fff0d3fcc60, clockid=0, expected=0, futex_word=0x55556bdcf890) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556bdcf890, abstime=abstime@entry=0x7fff0d3fcc60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x55556bdcf890, abstime=0x7fff0d3fcc60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 74 (Thread 0x7fff0dbfe700 (LWP 7354) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556be05828) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556be05828, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556be05828, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 73 (Thread 0x7fff0e3ff700 (LWP 7353) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556be05800) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556be05800, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556be05800, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 72 (Thread 0x7fff0effd700 (LWP 7352) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7fff0effcc60, clockid=0, expected=0, futex_word=0x55556a10cd40) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556a10cd40, abstime=abstime@entry=0x7fff0effcc60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x55556a10cd40, abstime=0x7fff0effcc60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 71 (Thread 0x7fff0f7fe700 (LWP 7351) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556a142c68) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556a142c68, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556a142c68, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 70 (Thread 0x7fff0ffff700 (LWP 7350) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55556a142c40) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556a142c40, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x55556a142c40, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 68 (Thread 0x7fff14ff9700 (LWP 7348) "ArdourGUI"):
#0  0x00007ffff7f83388 in futex_abstimed_wait_cancelable (private=0, abstime=0x7fff14ff8c60, clockid=0, expected=0, futex_word=0x55556846ab00) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x55556846ab00, abstime=abstime@entry=0x7fff14ff8c60, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f834b3 in __new_sem_wait_slow (sem=0x55556846ab00, abstime=0x7fff14ff8c60, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622aabb in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff2608b454 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 66 (Thread 0x7fff15ffb700 (LWP 7346) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493ab8) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 65 (Thread 0x7fff167fc700 (LWP 7345) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493abc) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 64 (Thread 0x7fff16ffd700 (LWP 7344) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493abc) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 63 (Thread 0x7fff177fe700 (LWP 7343) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493abc) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 62 (Thread 0x7fff17fff700 (LWP 7342) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493ab8) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 61 (Thread 0x7fff24ffd700 (LWP 7341) "ArdourGUI"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555568493ab8) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555568493a68, cond=0x555568493a90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555568493a90, mutex=0x555568493a68) at pthread_cond_wait.c:638
#3  0x00007ffff3efc90c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fff261d7053 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 60 (Thread 0x7fff257fe700 (LWP 7340) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555684a6b88) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x5555684a6b88, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x5555684a6b88, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261cce4a in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 59 (Thread 0x7fff25fff700 (LWP 7339) "ArdourGUI"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555684a6b60) at ../sysdeps/nptl/futex-internal.h:323
#1  do_futex_wait (sem=sem@entry=0x5555684a6b60, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f83278 in __new_sem_wait_slow (sem=0x5555684a6b60, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fff2622a9b4 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#4  0x00007fff261d4742 in ?? () from /usr/lib/vst3/sfizz.vst3/Contents/x86_64-linux/sfizz.so
#5  0x00007ffff3f01ed0 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 58 (Thread 0x7fff26ffd700 (LWP 7338) "JUCE Timer"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff26ffcc30, clockid=654298032, expected=0, futex_word=0x555566534908) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff26ffcc30, clockid=654298032, mutex=0x5555665348b8, cond=0x5555665348e0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x5555665348e0, mutex=0x5555665348b8, abstime=0x7fff26ffcc30) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f693d2 in juce::Timer::TimerThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 57 (Thread 0x7fff277fe700 (LWP 7333) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff277fdc50, clockid=662690768, expected=0, futex_word=0x55556771b46c) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff277fdc50, clockid=662690768, mutex=0x55556771b418, cond=0x55556771b440) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55556771b440, mutex=0x55556771b418, abstime=0x7fff277fdc50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 56 (Thread 0x7fff27fff700 (LWP 7332) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff27ffec50, clockid=671083472, expected=0, futex_word=0x55556771bf78) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff27ffec50, clockid=671083472, mutex=0x55556771bf28, cond=0x55556771bf50) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55556771bf50, mutex=0x55556771bf28, abstime=0x7fff27ffec50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 55 (Thread 0x7fff48ff9700 (LWP 7331) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff48ff8c50, clockid=1224707024, expected=0, futex_word=0x55555aa8eb78) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff48ff8c50, clockid=1224707024, mutex=0x55555aa8eb28, cond=0x55555aa8eb50) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55555aa8eb50, mutex=0x55555aa8eb28, abstime=0x7fff48ff8c50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 54 (Thread 0x7fff497fa700 (LWP 7330) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff497f9c50, clockid=1233099728, expected=0, futex_word=0x55555a2cd36c) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff497f9c50, clockid=1233099728, mutex=0x55555a2cd318, cond=0x55555a2cd340) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55555a2cd340, mutex=0x55555a2cd318, abstime=0x7fff497f9c50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 53 (Thread 0x7fff49ffb700 (LWP 7329) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff49ffac50, clockid=1241492432, expected=0, futex_word=0x55555a2d79bc) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff49ffac50, clockid=1241492432, mutex=0x55555a2d7968, cond=0x55555a2d7990) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55555a2d7990, mutex=0x55555a2d7968, abstime=0x7fff49ffac50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 52 (Thread 0x7fff4a7fc700 (LWP 7328) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff4a7fbc50, clockid=1249885136, expected=0, futex_word=0x55555a2e04c8) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff4a7fbc50, clockid=1249885136, mutex=0x55555a2e0478, cond=0x55555a2e04a0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55555a2e04a0, mutex=0x55555a2e0478, abstime=0x7fff4a7fbc50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 51 (Thread 0x7fff4affd700 (LWP 7327) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff4affcc50, clockid=1258277840, expected=0, futex_word=0x555558fe2478) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff4affcc50, clockid=1258277840, mutex=0x555558fe2428, cond=0x555558fe2450) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555558fe2450, mutex=0x555558fe2428, abstime=0x7fff4affcc50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 50 (Thread 0x7fff4b7fe700 (LWP 7326) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff4b7fdc50, clockid=1266670544, expected=0, futex_word=0x555558fe5c88) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff4b7fdc50, clockid=1266670544, mutex=0x555558fe5c38, cond=0x555558fe5c60) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555558fe5c60, mutex=0x555558fe5c38, abstime=0x7fff4b7fdc50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 49 (Thread 0x7fff4bfff700 (LWP 7325) "Pool"):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fff4bffec50, clockid=1275063248, expected=0, futex_word=0x555566487b78) at ../sysdeps/nptl/futex-internal.h:323
#1  __pthread_cond_wait_common (abstime=0x7fff4bffec50, clockid=1275063248, mutex=0x555566487b28, cond=0x555566487b50) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555566487b50, mutex=0x555566487b28, abstime=0x7fff4bffec50) at pthread_cond_wait.c:656
#3  0x00007fff54f211c2 in juce::WaitableEvent::wait(int) const () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54f21786 in juce::Thread::wait(int) const () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f4d68a in juce::ThreadPool::ThreadPoolThread::run() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 48 (Thread 0x7fff54bff700 (LWP 7324) "ArdourGUI"):
#0  0x00007ffff36ee1e1 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff54bfec60, rem=0x0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007ffff36f39c3 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007fff54f0f59e in juce::Thread::sleep(int) () from /usr/lib/lxvst/libsitala.so
#3  0x00007fff54f67bba in juce::MessageManager::runDispatchLoopUntil(int) () from /usr/lib/lxvst/libsitala.so
#4  0x00007fff54e778db in SharedMessageThread::run() () from /usr/lib/lxvst/libsitala.so
#5  0x00007fff54f2166d in juce::Thread::threadEntryPoint() () from /usr/lib/lxvst/libsitala.so
#6  0x00007fff54f21755 in juce::juce_threadEntryPoint(void*) () from /usr/lib/lxvst/libsitala.so
#7  0x00007fff54f21767 in juce::threadEntryProc(void*) () from /usr/lib/lxvst/libsitala.so
#8  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 47 (Thread 0x7fffb1bfe700 (LWP 7323) "midiUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff4c041a50, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2af44b6 in BaseUI::main_thread (this=0x555561c725a0) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff2af8c81 in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x555561f4aec0, p=0x555561c725a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff2af8952 in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x555561f4aed0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff2af8541 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x555561f4aec0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff2af8000 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x555561f4aeb8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555561f4ae90) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 46 (Thread 0x7ffff010a700 (LWP 7322) "butler"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffff0109414, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b0c370 in CrossThreadChannel::poll_for_request (this=0x55555f5ba6c8) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff2b0c3e1 in CrossThreadChannel::receive (this=0x55555f5ba6c8, msg=@0x7ffff01094ff: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff63d66bd in ARDOUR::Butler::thread_work (this=0x55555f5ba620) at ../libs/ardour/butler.cc:210
#4  0x00007ffff63d5f71 in ARDOUR::Butler::_thread_work (arg=0x55555f5ba620) at ../libs/ardour/butler.cc:180
#5  0x00007ffff2b31a95 in fake_thread_start (arg=0x555561f103a0) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 45 (Thread 0x7fff62ffd700 (LWP 7321) "IO-5-0x7fff62ff"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fff6d7fa700 (LWP 7320) "IO-4-0x7fff6d7f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fff6f7fe700 (LWP 7319) "IO-3-0x7fff6f7f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fff93fff700 (LWP 7318) "IO-2-0x7fff93ff"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fffb0bfc700 (LWP 7317) "IO-1-0x7fffb0bf"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fffb13fd700 (LWP 7316) "IO-0-0x7fffb13f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a3a5c1c) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585995 in ARDOUR::IOTaskList::io_thread (this=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff65858cb in ARDOUR::IOTaskList::_worker_thread (me=0x55555a3a5be0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fffef1fe900 (LWP 7315) "RT-6-0x7fffef1f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef1fdef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef1fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef1fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef1fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555920e880) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fffef57a900 (LWP 7314) "RT-5-0x7fffef57"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef579ef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef579f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef579ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef579ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555961f7f0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fffef5fe900 (LWP 7313) "RT-4-0x7fffef5f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b80) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651cba4 in ARDOUR::Graph::reached_terminal_node (this=0x55555a284a40) at ../libs/ardour/graph.cc:267
#3  0x00007ffff65295b7 in ARDOUR::GraphNode::finish (this=0x5555664aa6e0, chain=0x7fff94037800) at ../libs/ardour/graphnode.cc:107
#4  0x00007ffff652949a in ARDOUR::GraphNode::run (this=0x5555664aa6e0, chain=0x7fff94037800) at ../libs/ardour/graphnode.cc:74
#5  0x00007ffff651d334 in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:344
#6  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#7  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef5fdef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef5fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#9  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef5fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#10 0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#11 0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef5fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#12 0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555961f7b0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#13 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffef8f6900 (LWP 7312) "RT-3-0x7fffef8f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef8f5ef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef8f5f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef8f5ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef8f5ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559eb0df0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffef97a900 (LWP 7311) "RT-2-0x7fffef97"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef979ef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef979f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef979ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef979ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555fb5e700) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffef9fe900 (LWP 7310) "RT-1-0x7fffef9f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d71d in ARDOUR::Graph::helper_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef9fdef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef9fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef9fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffef9fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559eb0e30) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffefd78900 (LWP 7309) "RT-main-0x7fffe"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555a284b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d17d in ARDOUR::Graph::run_one (this=0x55555a284a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651db7f in ARDOUR::Graph::main_thread (this=0x55555a284a40) at ../libs/ardour/graph.cc:425
#4  0x00007ffff65289ef in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffefd77ef8, p=0x55555a284a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527dac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffefd77f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526de3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffefd77ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525833 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab37e in boost::function0<void>::operator() (this=0x7fffefd77ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558e56b20) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fffb23ff700 (LWP 7297) "ALSA-MIDI-LIST"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fffba3785d0, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffc1682f76 in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x555557e129d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1413
#2  0x00007fffc1682e0e in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x555557e129d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1376
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7ffff01fe900 (LWP 7296) "AudioEngine 1"):
#0  0x00007ffff371baa6 in __ppoll (fds=0x555557b8408c, nfds=2, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fffc16b3198 in Alsa_pcmi::pcm_wait (this=0x555557b84000) at ../libs/backends/alsa/zita-alsa-pcmi.cc:178
#2  0x00007fffc1685977 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x555557e129d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1863
#3  0x00007fffc167f741 in pthread_process (arg=0x555557e129d0) at ../libs/backends/alsa/alsa_audiobackend.cc:806
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7ffff10f1900 (LWP 7295) "AlsaMidiIO"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x5555579c4f80, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffc16af3ac in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x555557b093e0) at ../libs/backends/alsa/alsa_sequencer.cc:246
#2  0x00007fffc16aaf83 in pthread_process (arg=0x555557b09400) at ../libs/backends/alsa/alsa_midi.cc:68
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7ffff1869900 (LWP 7294) "AlsaMidiIO"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x5555579f4300) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555579f42b0, cond=0x5555579f42d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5555579f42d8, mutex=0x5555579f42b0) at pthread_cond_wait.c:638
#3  0x00007fffc16aedd7 in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x5555579f4280) at ../libs/backends/alsa/alsa_sequencer.cc:162
#4  0x00007fffc16aaf83 in pthread_process (arg=0x5555579f42a0) at ../libs/backends/alsa/alsa_midi.cc:68
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fffb3bff700 (LWP 7293) "ExecStdOut"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fffb3bfcc90, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b48fa4 in PBD::SystemExec::output_interposer (this=0x555557b7ac50) at ../libs/pbd/system_exec.cc:890
#2  0x00007ffff2b480ca in interposer_thread (arg=0x555557b7ac50) at ../libs/pbd/system_exec.cc:282
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fffb33fe700 (LWP 7279) "gmain"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x555557e91440, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea56d8c in g_main_context_iteration () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#3  0x00007fffeea56dd1 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#4  0x00007fffeea874a5 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fffc25ff700 (LWP 7267) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6349bc3 in ARDOUR::AudioEngine::do_devicelist_update (this=0x555557651af0) at ../libs/ardour/audioengine.cc:760
#3  0x00007ffff6358319 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x55555764f340, p=0x555557651af0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6357854 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x55555764f350, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6356ebd in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x55555764f340) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6356045 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55555764f338) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55555764f310) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fffcbfff700 (LWP 7266) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6349945 in ARDOUR::AudioEngine::do_reset_backend (this=0x555557651af0) at ../libs/ardour/audioengine.cc:724
#3  0x00007ffff6358319 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x55555764f7c0, p=0x555557651af0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6357854 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x55555764f7d0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff6356ebd in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x55555764f7c0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6356045 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab37e in boost::function0<void>::operator() (this=0x55555764f7b8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55555764f790) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fffda7fc700 (LWP 7258) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff62f7a56 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95
#3  0x000055555656f5b7 in sigc::pointer_functor0<void>::operator() (this=0x5555575bcb20) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00007ffff62fadb4 in boost::detail::function::void_function_obj_invoker0<sigc::pointer_functor0<void>, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#5  0x0000555555bab37e in boost::function0<void>::operator() (this=0x5555575bcb18) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#6  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575bcaf0) at ../libs/pbd/pthread_utils.cc:495
#7  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffdaffd700 (LWP 7257) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff69e57b9 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#4  0x0000555555bab37e in boost::function0<void>::operator() (this=0x5555575c4118) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575c40f0) at ../libs/pbd/pthread_utils.cc:495
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffdb7fe700 (LWP 7256) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff69e57b9 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#4  0x0000555555bab37e in boost::function0<void>::operator() (this=0x5555575bd2f8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575bd2d0) at ../libs/pbd/pthread_utils.cc:495
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffdbfff700 (LWP 7255) "LXVSTEventLoop"):
#0  0x00007ffff36ee1e1 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffdbffebf0, rem=0x7fffdbffec00) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007ffff36f39c3 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007fffeea88d48 in g_usleep () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#3  0x0000555556a88333 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:468
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ffff47ff700 (LWP 7254) "Trigger Worker"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffff47febc4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b0c370 in CrossThreadChannel::poll_for_request (this=0x555557572850) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff2b0c3e1 in CrossThreadChannel::receive (this=0x555557572850, msg=@0x7ffff47fec2f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff6a5adfd in ARDOUR::TriggerBoxThread::thread_work (this=0x555557572820) at ../libs/ardour/triggerbox.cc:4880
#4  0x00007ffff6a5ad93 in ARDOUR::TriggerBoxThread::_thread_work (arg=0x555557572820) at ../libs/ardour/triggerbox.cc:4868
#5  0x00007ffff2b31a95 in fake_thread_start (arg=0x55555753bc50) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ffff7a91240 (LWP 7250) "ArdourGUI"):
#0  0x0000555555dbca18 in Editor::mid_track_drag (this=0x555559721ad0, ev=0x5555773f5740, w=...) at ../gtk2_ardour/editor.cc:7065
#1  0x00005555568ee529 in TimeAxisView::controls_ebox_motion (this=0x55558046c8e0, ev=0x5555773f5740) at ../gtk2_ardour/time_axis_view.cc:469
#2  0x00005555568fa1e8 in sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventMotion*>::operator() (this=0x55558046fbf8, _A_a1=@0x7fffffffc890: 0x5555773f5740) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2066
#3  0x00005555568f95ef in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventMotion*> >::operator()<_GdkEventMotion* const&> (this=0x55558046fbf0, _A_arg1=@0x7fffffffc890: 0x5555773f5740) at ../../gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89
#4  0x00005555568f836e in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventMotion*>, bool, _GdkEventMotion*>::call_it (rep=0x55558046fbc0, a_1=@0x7fffffffc890: 0x5555773f5740) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:170
#5  0x00007ffff2182f03 in sigc::slot1<bool, _GdkEventMotion*>::operator() (this=0x55558046fc28, _A_a1=@0x7fffffffc890: 0x5555773f5740) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:665
#6  0x00007ffff2173b66 in (anonymous namespace)::Widget_signal_motion_notify_event_callback (self=0x55558045c9f0, p0=0x5555773f5740, data=0x55558046fc20) at ../libs/tk/ytkmm/widget.cc:1325
#7  0x00007ffff13719e7 in _gtk_marshal_BOOLEAN__BOXED (closure=0x55558046ed80, return_value=0x7fffffffca30, n_param_values=2, param_values=0x7fffffffcae0, invocation_hint=0x7fffffffca80, marshal_data=0x0) at ../libs/tk/ytk/gtkmarshalers.c:84
#8  0x00007fffeca0f6b5 in g_closure_invoke () from /opt/Ardour-8.6.206-dbg/lib/libgobject-2.0.so.0
#9  0x00007fffeca22593 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libgobject-2.0.so.0
#10 0x00007fffeca2bdc8 in g_signal_emit_valist () from /opt/Ardour-8.6.206-dbg/lib/libgobject-2.0.so.0
#11 0x00007fffeca2c7e2 in g_signal_emit () from /opt/Ardour-8.6.206-dbg/lib/libgobject-2.0.so.0
#12 0x00007ffff14e903e in gtk_widget_event_internal (widget=0x55558045c9f0, event=0x5555773f5740) at ../libs/tk/ytk/gtkwidget.c:5010
#13 0x00007ffff14e8b62 in IA__gtk_widget_event (widget=0x55558045c9f0, event=0x5555773f5740) at ../libs/tk/ytk/gtkwidget.c:4807
#14 0x00007ffff136faa4 in IA__gtk_propagate_event (widget=0x55558045c9f0, event=0x5555773f5740) at ../libs/tk/ytk/gtkmain.c:2446
#15 0x00007ffff136e554 in IA__gtk_main_do_event (event=0x5555773f5740) at ../libs/tk/ytk/gtkmain.c:1641
#16 0x00007ffff0e77f84 in gdk_event_dispatch (source=0x555557be8a70, callback=0x0, user_data=0x0) at ../libs/tk/ydk/x11/gdkevents-x11.c:2425
#17 0x00007fffeea56a87 in g_main_context_dispatch () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#18 0x00007fffeea56ce8 in ?? () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#19 0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.206-dbg/lib/libglib-2.0.so.0
#20 0x00007ffff136dae5 in IA__gtk_main () at ../libs/tk/ytk/gtkmain.c:1213
#21 0x00007ffff20ee3c7 in Gtk::Main::run_impl (this=0x555557bc0000) at ../libs/tk/ytkmm/main.cc:537
#22 0x00007ffff20ee1cf in Gtk::Main::run () at ../libs/tk/ytkmm/main.cc:480
#23 0x00007ffff2f3d37c in Gtkmm2ext::UI::run (this=0x555557bc5ea0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305
#24 0x0000555556240f7d in main (argc=1, argv=0x7fffffffd5e8) at ../gtk2_ardour/main.cc:471
(gdb) 

mel@mx:~
$ sh /opt/Ardour-8.6.212-dbg/bin/ardour8 -D trackdrag
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.212-dbg/share/locale
Debug flag 'trackdrag' set
Ardour8.6.212 (built using 8.6-212-g2d8c641314 and GCC version 6.3.0 20170516)
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-8.6.212-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.212-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.212-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.212-dbg/etc/default_ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.212-dbg/share/patchfiles
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.212-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.212-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
pingback: No Error
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.212-dbg/share/templates
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
locate to 0 took 24639 usecs for 47 tracks = 524 per track
locate to 96000 took 26304 usecs for 47 tracks = 560 per track
locate to 1584000 took 48278 usecs for 47 tracks = 1027 per track
DEBUG::TrackDrag: start track drag with 0x55edd3054c00
Segmentation fault
mel@mx:~
$ ardour-request-device: watched PID no longer exists - releasing device.


$ sh /opt/Ardour-8.6.212-dbg/bin/ardour8 -D trackdrag
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.212-dbg/share/locale
Debug flag 'trackdrag' set
Ardour8.6.212 (built using 8.6-212-g2d8c641314 and GCC version 6.3.0 20170516)
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-8.6.212-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.212-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.212-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.212-dbg/etc/default_ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.212-dbg/share/patchfiles
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.212-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.212-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.212-dbg/etc/clearlooks.rc
pingback: No Error
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.212-dbg/share/templates
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
removed /home/mel/Music/Audio/MrMan24/MrMan24.pending
locate to 0 took 24035 usecs for 47 tracks = 511 per track
locate to 96000 took 29442 usecs for 47 tracks = 626 per track
locate to 1584000 took 54517 usecs for 47 tracks = 1160 per track
DEBUG::TrackDrag: start track drag with 0x559d8a777f50
Segmentation fault
mel@mx:~
$ ardour-request-device: watched PID no longer exists - releasing device.

Session log
At start
2024-05-31T16:39:09 [ERROR]: AlsaAudioBackend: failed to allocate parameters.
2024-05-31T16:40:18 [INFO]: AlsaAudioBackend: adjusted output channel count to match device.
2024-05-31T16:40:18 [INFO]: AlsaAudioBackend: adjusted input channel count to match device.
2024-05-31T16:40:18 [INFO]: Scanning folders for bundled LV2s: /opt/Ardour-8.6.223-dbg/lib/LV2
2024-05-31T16:40:23 [INFO]: xjadeo version: 0.8.14
2024-05-31T16:40:23 [INFO]: harvid version: 901
2024-05-31T16:40:24 [INFO]: Loading menus from /opt/Ardour-8.6.223-dbg/etc/ardour.menus
2024-05-31T16:40:27 [INFO]: Cannot set I/O Priority for disk read/write thread
2024-05-31T16:40:29 [INFO]: LV2: update midnam for plugin 'setBfree DSP Tonewheel Organ'
2024-05-31T16:40:29 [INFO]: LV2: update midnam for plugin 'General MIDI Synth'
2024-05-31T16:40:29 [INFO]: LV2: update midnam for plugin 'General MIDI Synth'
2024-05-31T16:40:29 [INFO]: LV2: update midnam for plugin 'General MIDI Synth'
2024-05-31T16:40:29 [INFO]: LV2: update midnam for plugin 'General MIDI Synth'
2024-05-31T16:40:30 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:30 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:30 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [INFO]: Removing MIDI patch file custom:setBfree:0x55822f281
2024-05-31T16:40:31 [INFO]: LV2: update midnam for plugin 'setBfree DSP Tonewheel Organ'
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:31 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:32 [ERROR]: MidiTimeAxisView: unknown automation child main-out-volume
2024-05-31T16:40:32 [INFO]: Loading user ui scripts file /home/mel/.config/ardour8/ui_scripts
2024-05-31T16:40:32 [INFO]: Loading plugin order file /home/mel/.config/ardour8/plugin_metadata/plugin_order
2024-05-31T16:40:34 [INFO]: Loading history from /home/mel/Music/Audio/MrMan24/MrMan24.history







Terminal
 AV Linux MX Edition
mel@mx:~
$ sh /opt/Ardour-8.6.223-dbg/bin/ardour8 -D trackdrag
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.223-dbg/share/locale
Debug flag 'trackdrag' set
Ardour8.6.223 (built using 8.6-223-g7c5bd69ff1 and GCC version 6.3.0 20170516)
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-8.6.223-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.223-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.223-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.223-dbg/etc/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.223-dbg/share/patchfiles
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.223-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.223-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.223-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.223-dbg/etc/clearlooks.rc
pingback: No Error
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.223-dbg/share/templates
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
[sfizz] new synth
[sfizz] new synth
[sfizz] new synth
[sfizz] new synth
[sfizz] new synth
[sfizz] new synth
[sfizz] new synth
fluidsynth: warning: Instrument not found on channel 0 [bank=2 prog=58], substituted [bank=0 prog=58]
locate to 0 took 36112 usecs for 47 tracks = 768 per track
locate to 2250624 took 108968 usecs for 47 tracks = 2318 per track
[sfizz] about to create view: editor
locate to 1584000 took 109246 usecs for 47 tracks = 2324 per track
DEBUG::TrackDrag: start track drag with 0x5582435c6bb0
-- Stacktrace Thread: ArdourGUI
  PBD::stacktrace(std::ostream&, int, unsigned long)
  /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223(+0x9bd6d0) [0x5582171bd6d0]
  /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223(+0x14ef6e2) [0x558217cef6e2]
  /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223(+0x14fb3b0) [0x558217cfb3b0]
  /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223(+0x14fa745) [0x558217cfa745]
  /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223(+0x14f9492) [0x558217cf9492]
  sigc::slot1<bool, _GdkEventButton*>::operator()(_GdkEventButton* const&) const
  /opt/Ardour-8.6.223-dbg/lib/libytkmm.so.2(+0x3737b5) [0x7fd7573737b5]
  _gtk_marshal_BOOLEAN__BOXED
  g_closure_invoke
  /opt/Ardour-8.6.223-dbg/lib/libgobject-2.0.so.0(+0x22593) [0x7fd751c22593]
  g_signal_emit_valist
  g_signal_emit
  /opt/Ardour-8.6.223-dbg/lib/libytk.so.2(+0x2e903e) [0x7fd7566e903e]
  gtk_widget_event
  gtk_propagate_event
  gtk_main_do_event
  /opt/Ardour-8.6.223-dbg/lib/libydk.so.2(+0x77f84) [0x7fd756077f84]
  g_main_context_dispatch
  /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0(+0x56ce8) [0x7fd753c56ce8]
Segmentation fault
mel@mx:~
$ ardour-request-device: watched PID no longer exists - releasing device.
$ 

 AV Linux MX Edition
mel@mx:~
$ sh /opt/Ardour-8.6.223-dbg/bin/ardour8 --gdb
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from env...
(No debugging symbols found in env)
Signal        Stop	Print	Pass to program	Description
SIG32         No	No	Yes		Real-time event 32
(gdb) br main
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (main) pending.
(gdb) run
Starting program: /usr/bin/env LD_LIBRARY_PATH=/opt/Ardour-8.6.223-dbg/lib /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223
process 3925 is executing new program: /opt/Ardour-8.6.223-dbg/bin/ardour-8.6.223
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Breakpoint 1, main (argc=1, argv=0x7fffffffd5e8) at ../gtk2_ardour/main.cc:251
251	../gtk2_ardour/main.cc: No such file or directory.
(gdb) br 'Editor::start_track_drag(TimeAxisView&, int, Gtk::Widget&)' 
Breakpoint 2 at 0x555555dbd5a7: file ../gtk2_ardour/editor.cc, line 7035.
(gdb) cont
Continuing.
bind txt domain [gtk2_ardour8] to /opt/Ardour-8.6.223-dbg/share/locale
Ardour8.6.223 (built using 8.6-223-g7c5bd69ff1 and GCC version 6.3.0 20170516)
[New Thread 0x7ffff47ff700 (LWP 3950)]
Ardour: [INFO]: Your system is configured to limit Ardour to 4096 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-8.6.223-dbg/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/mel/.config/ardour8/config
[New Thread 0x7fffdbfff700 (LWP 3951)]
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
[New Thread 0x7fffdb7fe700 (LWP 3952)]
[New Thread 0x7fffdaffd700 (LWP 3953)]
[New Thread 0x7fffda7fc700 (LWP 3954)]
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-8.6.223-dbg/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/mel/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/mel/.config/ardour8/rdf:/opt/Ardour-8.6.223-dbg/share/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/guitarix.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/caps.rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: Reading RDF file:///home/mel/.ladspa/rdf/ardour-presets.n3
[New Thread 0x7fffcbfff700 (LWP 3955)]
[Thread 0x7fffcbfff700 (LWP 3955) exited]
[New Thread 0x7fffcbfff700 (LWP 3956)]
[Thread 0x7fffcbfff700 (LWP 3956) exited]
[New Thread 0x7fffcbfff700 (LWP 3962)]
[New Thread 0x7fffc25ff700 (LWP 3963)]
*** WEAK-JACK: initializing
*** WEAK-JACK: OK. (0)
[New Thread 0x7fffc09ff700 (LWP 3968)]
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading 1 MIDI patch from /home/mel/.config/ardour8/patchfiles
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-8.6.223-dbg/etc/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/mel/.config/ardour8/ui_config
Ardour: [INFO]: Loading 459 MIDI patches from /opt/Ardour-8.6.223-dbg/share/patchfiles
Ardour: [INFO]: Loading colour file /opt/Ardour-8.6.223-dbg/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-8.6.223-dbg/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-8.6.223-dbg/etc/ardour.keys
Loading ui configuration file /opt/Ardour-8.6.223-dbg/etc/clearlooks.rc
[New Thread 0x7ffff0dff700 (LWP 3969)]
[New Thread 0x7fffbbbff700 (LWP 3970)]
[Thread 0x7fffc09ff700 (LWP 3968) exited]
pingback: No Error
[Thread 0x7fffbbbff700 (LWP 3970) exited]
[Thread 0x7ffff0dff700 (LWP 3969) exited]
[Detaching after vfork from child process 3976]
[New Thread 0x7fffbbbff700 (LWP 3977)]
[Thread 0x7fffbbbff700 (LWP 3977) exited]
[Detaching after vfork from child process 3981]
[New Thread 0x7fffbbbff700 (LWP 3982)]
[Thread 0x7fffbbbff700 (LWP 3982) exited]
Ardour: [ERROR]: Cannot set sample rate to 0
[New Thread 0x7fffbbbff700 (LWP 3990)]
[New Thread 0x7fffbabff700 (LWP 3991)]
[New Thread 0x7fffba3fe700 (LWP 3992)]
[New Thread 0x7fffb9bfd700 (LWP 3993)]
[New Thread 0x7fffb93fc700 (LWP 3994)]
[New Thread 0x7fffb8bfb700 (LWP 3995)]
Found nothing along /home/mel/.config/ardour8/templates:/opt/Ardour-8.6.223-dbg/share/templates
[Thread 0x7fffb93fc700 (LWP 3994) exited]
[Thread 0x7fffb9bfd700 (LWP 3993) exited]
[Thread 0x7fffba3fe700 (LWP 3992) exited]
[Thread 0x7fffbabff700 (LWP 3991) exited]
[Detaching after vfork from child process 3996]
[New Thread 0x7fffba3fe700 (LWP 3997)]
 --[[ ALSA Device hw:UA22,0
playback
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
capture
  nchan  : 2
  fsamp  : 48000
  fsize  : 1024
  nfrag  : 2
  format : S24_3LE
  access : MMAP interleaved
synced
 --]]
[New Thread 0x7ffff1869900 (LWP 3998)]
[New Thread 0x7ffff10f1900 (LWP 3999)]
[New Thread 0x7ffff01fe900 (LWP 4000)]
[New Thread 0x7fffb9bfd700 (LWP 4001)]
[Thread 0x7fffb8bfb700 (LWP 3995) exited]
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
error: failed to open file /home/mel/.lv2/x42-avldrums/manifest.ttl (No such file or directory)
lilv_world_load_file(): error: Error loading file `file:///home/mel/.lv2/x42-avldrums/manifest.ttl'
lilv_world_load_bundle(): error: Error reading file:///home/mel/.lv2/x42-avldrums/manifest.ttl
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/avldrums.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/avldrums#BlackPearl> loaded from <file:///home/mel/.lv2/avldrums.lv2/>
[New Thread 0x7fffb8bfb700 (LWP 4016)]
[New Thread 0x7fffbabff700 (LWP 4017)]
[New Thread 0x7fffb93fc700 (LWP 4018)]
[New Thread 0x7fff93fff700 (LWP 4019)]
[Detaching after vfork from child process 4020]
[New Thread 0x7fff937fe700 (LWP 4021)]
[Thread 0x7fff937fe700 (LWP 4021) exited]
[Thread 0x7fffbabff700 (LWP 4017) exited]
[Thread 0x7fffb93fc700 (LWP 4018) exited]
[Thread 0x7fffb8bfb700 (LWP 4016) exited]
[Detaching after vfork from child process 4022]
[New Thread 0x7fff937fe700 (LWP 4023)]
[Thread 0x7fff937fe700 (LWP 4023) exited]
[New Thread 0x7fff937fe700 (LWP 4024)]
[New Thread 0x7fffefd78900 (LWP 4025)]
[New Thread 0x7fffef9fe900 (LWP 4026)]
[New Thread 0x7fffef97a900 (LWP 4027)]
[New Thread 0x7fffef8f6900 (LWP 4028)]
[New Thread 0x7fffef5fe900 (LWP 4029)]
[New Thread 0x7fffef57a900 (LWP 4030)]
[New Thread 0x7fffef1fe900 (LWP 4031)]
[New Thread 0x7fffb8bfb700 (LWP 4032)]
[New Thread 0x7fffb93fc700 (LWP 4033)]
[New Thread 0x7fffbabff700 (LWP 4034)]
[New Thread 0x7fff6f7fe700 (LWP 4035)]
[New Thread 0x7fff6d7fa700 (LWP 4036)]
[New Thread 0x7fff62ffd700 (LWP 4037)]
[Thread 0x7fff937fe700 (LWP 4024) exited]
[New Thread 0x7ffff010a700 (LWP 4038)]
[New Thread 0x7fff937fe700 (LWP 4039)]
[New Thread 0x7fff557fa700 (LWP 4040)]
[New Thread 0x7fff54ff9700 (LWP 4041)]
[New Thread 0x7fff4bfff700 (LWP 4042)]
[New Thread 0x7fff4b7fe700 (LWP 4043)]
[New Thread 0x7fff4affd700 (LWP 4044)]
[New Thread 0x7fff4a7fc700 (LWP 4045)]
locate to 0 took 28139 usecs for 49 tracks = 574 per track
locate to 7066624 took 27119 usecs for 49 tracks = 553 per track
[New Thread 0x7fff49ffb700 (LWP 4046)]
[New Thread 0x7fff497fa700 (LWP 4047)]
[New Thread 0x7fff48ff9700 (LWP 4048)]
[New Thread 0x7fff1ffff700 (LWP 4049)]
[New Thread 0x7fff1f7fe700 (LWP 4050)]
[New Thread 0x7fff1effd700 (LWP 4051)]
[New Thread 0x7fff1e7fc700 (LWP 4052)]
locate to 3840000 took 218554 usecs for 49 tracks = 4460 per track
[Thread 0x7fff93fff700 (LWP 4019) exited]

Thread 1 "ArdourGUI" hit Breakpoint 2, Editor::start_track_drag (this=0x555559038b50, tav=..., 
    y=89, w=...) at ../gtk2_ardour/editor.cc:7035
7035	../gtk2_ardour/editor.cc: No such file or directory.
(gdb) thread apply all bt

Thread 61 (Thread 0x7fff1e7fc700 (LWP 4052) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e296528) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e296500) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 60 (Thread 0x7fff1effd700 (LWP 4051) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e296328) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e296300) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 59 (Thread 0x7fff1f7fe700 (LWP 4050) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e296098) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e296070) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 58 (Thread 0x7fff1ffff700 (LWP 4049) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e295e98) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e295e70) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 57 (Thread 0x7fff48ff9700 (LWP 4048) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e295c48) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e295c20) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 56 (Thread 0x7fff497fa700 (LWP 4047) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e295a48) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e295a20) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 55 (Thread 0x7fff49ffb700 (LWP 4046) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff7844c15 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7844b99 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff78450a9 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x55556e295530) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7845050 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55556e295848) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55556e295820) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 54 (Thread 0x7fff4a7fc700 (LWP 4045) "AutomationWatch"):
#0  0x00007ffff36ee1e1 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff4a7fbb80, rem=0x7fff4a7fbb90) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007ffff36f39c3 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007fffeea88d48 in g_usleep () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff63c0bc3 in ARDOUR::AutomationWatch::thread (this=0x555557ca2300) at ../libs/ardour/automation_watch.cc:207
#4  0x00007ffff63c5f37 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x55555d4d2c70, p=0x555557ca2300) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff63c5bc8 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x55555d4d2c80, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff63c5335 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x55555d4d2c70) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff63c4cc3 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x55555d4d2c68) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x55555d4d2c40) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 53 (Thread 0x7fff4affd700 (LWP 4044) "autoconnect"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55555c19e308) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555c19e2b8, cond=0x55555c19e2e0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55555c19e2e0, mutex=0x55555c19e2b8) at pthread_cond_wait.c:638
#3  0x00007ffff68b1d04 in ARDOUR::Session::auto_connect_thread_run (this=0x55555c19c0c0) at ../libs/ardour/session.cc:7949
#4  0x00007ffff68b1750 in ARDOUR::Session::auto_connect_thread (arg=0x55555c19c0c0) at ../libs/ardour/session.cc:7880
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 52 (Thread 0x7fff4b7fe700 (LWP 4043) "SessionSignals"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55555c19e298) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555c19e248, cond=0x55555c19e270) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55555c19e270, mutex=0x55555c19e248) at pthread_cond_wait.c:638
#3  0x00007ffff693ed99 in ARDOUR::Session::emit_thread_run (this=0x55555c19c0c0) at ../libs/ardour/session_process.cc:1241
#4  0x00007ffff693ed36 in ARDOUR::Session::emit_thread (arg=0x55555c19c0c0) at ../libs/ardour/session_process.cc:1230
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 51 (Thread 0x7fff4bfff700 (LWP 4042) "ArdourGUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff40000b60, nfds=2, timeout=60000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe6e08af7 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libusb-1.0.so.0
#2  0x00007fffe6e09c19 in libusb_handle_events_timeout_completed () from /opt/Ardour-8.6.223-dbg/lib/libusb-1.0.so.0
#3  0x00007fffe6e09d9a in libusb_handle_events () from /opt/Ardour-8.6.223-dbg/lib/libusb-1.0.so.0
#4  0x00007ffff63ee0f6 in usb_hotplug_thread (user_data=0x5555575f0680) at ../libs/ardour/control_protocol_manager.cc:87
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 50 (Thread 0x7fff54ff9700 (LWP 4041) "ArdourGUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff54ff8d10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe6e1162d in ?? () from /opt/Ardour-8.6.223-dbg/lib/libusb-1.0.so.0
#2  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#3  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 49 (Thread 0x7fff557fa700 (LWP 4040) "Generic MIDI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff4405a660, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2af44b6 in BaseUI::main_thread (this=0x5555583f9118) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff2af8c81 in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x5555696d7f70, p=0x5555583f9118) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff2af8952 in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x5555696d7f80, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff2af8541 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x5555696d7f70) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff2af8000 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x5555696d7f68) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555696d7f40) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 48 (Thread 0x7fff937fe700 (LWP 4039) "midiUI"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff4c041a50, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2af44b6 in BaseUI::main_thread (this=0x55555d9c3eb0) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff2af8c81 in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x555561d22100, p=0x55555d9c3eb0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff2af8952 in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x555561d22110, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff2af8541 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x555561d22100) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff2af8000 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x555561d220f8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555561d220d0) at ../libs/pbd/pthread_utils.cc:495
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 47 (Thread 0x7ffff010a700 (LWP 4038) "butler"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffff0109414, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b0c370 in CrossThreadChannel::poll_for_request (this=0x55555f70d0c8) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff2b0c3e1 in CrossThreadChannel::receive (this=0x55555f70d0c8, msg=@0x7ffff01094ff: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff63d680d in ARDOUR::Butler::thread_work (this=0x55555f70d020) at ../libs/ardour/butler.cc:210
#4  0x00007ffff63d60c1 in ARDOUR::Butler::_thread_work (arg=0x55555f70d020) at ../libs/ardour/butler.cc:180
#5  0x00007ffff2b31a95 in fake_thread_start (arg=0x555561ce75e0) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 46 (Thread 0x7fff62ffd700 (LWP 4037) "IO-5-0x7fff62ff"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 45 (Thread 0x7fff6d7fa700 (LWP 4036) "IO-4-0x7fff6d7f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fff6f7fe700 (LWP 4035) "IO-3-0x7fff6f7f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fffbabff700 (LWP 4034) "IO-2-0x7fffbabf"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fffb93fc700 (LWP 4033) "IO-1-0x7fffb93f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fffb8bfb700 (LWP 4032) "IO-0-0x7fffb8bf"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555d9e2bdc) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6585ae5 in ARDOUR::IOTaskList::io_thread (this=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:158
#3  0x00007ffff6585a1b in ARDOUR::IOTaskList::_worker_thread (me=0x55555d9e2ba0) at ../libs/ardour/io_tasklist.cc:146
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fffef1fe900 (LWP 4031) "RT-6-0x7fffef1f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef1fdef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef1fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef1fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef1fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555d9e0240) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fffef57a900 (LWP 4030) "RT-5-0x7fffef57"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef579ef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef579f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef579ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef579ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558464290) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fffef5fe900 (LWP 4029) "RT-4-0x7fffef5f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef5fdef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef5fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef5fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef5fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555582ff600) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fffef8f6900 (LWP 4028) "RT-3-0x7fffef8f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef8f5ef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef8f5f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef8f5ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef8f5ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558c73900) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffef97a900 (LWP 4027) "RT-2-0x7fffef97"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c980) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651ccf4 in ARDOUR::Graph::reached_terminal_node (this=0x55555890c840) at ../libs/ardour/graph.cc:267
#3  0x00007ffff6529707 in ARDOUR::GraphNode::finish (this=0x555566344ec0, chain=0x7fffa403da50) at ../libs/ardour/graphnode.cc:107
#4  0x00007ffff65295ea in ARDOUR::GraphNode::run (this=0x555566344ec0, chain=0x7fffa403da50) at ../libs/ardour/graphnode.cc:74
#5  0x00007ffff651d484 in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:344
#6  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#7  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef979ef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef979f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#9  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef979ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#10 0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#11 0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef979ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#12 0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555f6e4720) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#13 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffef9fe900 (LWP 4026) "RT-1-0x7fffef9f"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651d86d in ARDOUR::Graph::helper_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffef9fdef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffef9fdf08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffef9fdef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffef9fdef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555f834760) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffefd78900 (LWP 4025) "RT-main-0x7fffe"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38a12 in PBD::Semaphore::wait (this=0x55555890c974) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff651d2cd in ARDOUR::Graph::run_one (this=0x55555890c840) at ../libs/ardour/graph.cc:320
#3  0x00007ffff651dccf in ARDOUR::Graph::main_thread (this=0x55555890c840) at ../libs/ardour/graph.cc:425
#4  0x00007ffff6528b3f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffefd77ef8, p=0x55555890c840) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6527efc in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffefd77f08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff6526f33 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffefd77ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6525983 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#8  0x0000555555bab38e in boost::function0<void>::operator() (this=0x7fffefd77ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1681dc7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555f6e42a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1215
#10 0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fffb9bfd700 (LWP 4001) "ALSA-MIDI-LIST"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fff94000b80, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffc1682f76 in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x555557e32fc0) at ../libs/backends/alsa/alsa_audiobackend.cc:1413
#2  0x00007fffc1682e0e in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x555557e32fc0) at ../libs/backends/alsa/alsa_audiobackend.cc:1376
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7ffff01fe900 (LWP 4000) "AudioEngine 1"):
#0  0x00007ffff371baa6 in __ppoll (fds=0x5555579cb46c, nfds=2, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fffc16b3198 in Alsa_pcmi::pcm_wait (this=0x5555579cb3e0) at ../libs/backends/alsa/zita-alsa-pcmi.cc:178
#2  0x00007fffc1685977 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x555557e32fc0) at ../libs/backends/alsa/alsa_audiobackend.cc:1863
#3  0x00007fffc167f741 in pthread_process (arg=0x555557e32fc0) at ../libs/backends/alsa/alsa_audiobackend.cc:806
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7ffff10f1900 (LWP 3999) "AlsaMidiIO"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x5555579f4220, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffc16af3ac in ARDOUR::AlsaSeqMidiIn::main_process_thread (this=0x555557a26ca0) at ../libs/backends/alsa/alsa_sequencer.cc:246
#2  0x00007fffc16aaf83 in pthread_process (arg=0x555557a26cc0) at ../libs/backends/alsa/alsa_midi.cc:68
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7ffff1869900 (LWP 3998) "AlsaMidiIO"):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x555557a131c0) at ../sysdeps/nptl/futex-internal.h:186
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557a13170, cond=0x555557a13198) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555557a13198, mutex=0x555557a13170) at pthread_cond_wait.c:638
#3  0x00007fffc16aedd7 in ARDOUR::AlsaSeqMidiOut::main_process_thread (this=0x555557a13140) at ../libs/backends/alsa/alsa_sequencer.cc:162
#4  0x00007fffc16aaf83 in pthread_process (arg=0x555557a13160) at ../libs/backends/alsa/alsa_midi.cc:68
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fffba3fe700 (LWP 3997) "ExecStdOut"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7fffba3fbc90, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b48fa4 in PBD::SystemExec::output_interposer (this=0x555557a1b8b0) at ../libs/pbd/system_exec.cc:890
#2  0x00007ffff2b480ca in interposer_thread (arg=0x555557a1b8b0) at ../libs/pbd/system_exec.cc:282
#3  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fffbbbff700 (LWP 3990) "gmain"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x5555577a8870, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffeea56c76 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007fffeea56d8c in g_main_context_iteration () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#3  0x00007fffeea56dd1 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#4  0x00007fffeea874a5 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#5  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fffc25ff700 (LWP 3963) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6349d13 in ARDOUR::AudioEngine::do_devicelist_update (this=0x555557eb30b0) at ../libs/ardour/audioengine.cc:760
#3  0x00007ffff6358469 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x555557eb0970, p=0x555557eb30b0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff63579a4 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x555557eb0980, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff635700d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x555557eb0970) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6356195 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x555557eb0968) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555557eb0940) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fffcbfff700 (LWP 3962) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6349a95 in ARDOUR::AudioEngine::do_reset_backend (this=0x555557eb30b0) at ../libs/ardour/audioengine.cc:724
#3  0x00007ffff6358469 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x555557eb0df0, p=0x555557eb30b0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff63579a4 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x555557eb0e00, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff635700d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x555557eb0df0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6356195 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#7  0x0000555555bab38e in boost::function0<void>::operator() (this=0x555557eb0de8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x555557eb0dc0) at ../libs/pbd/pthread_utils.cc:495
#9  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fffda7fc700 (LWP 3954) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff62f7ba6 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95
#3  0x0000555556570845 in sigc::pointer_functor0<void>::operator() (this=0x5555575be9c0) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00007ffff62faf04 in boost::detail::function::void_function_obj_invoker0<sigc::pointer_functor0<void>, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#5  0x0000555555bab38e in boost::function0<void>::operator() (this=0x5555575be9b8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#6  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575be990) at ../libs/pbd/pthread_utils.cc:495
#7  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffdaffd700 (LWP 3953) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff69e5a95 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#4  0x0000555555bab38e in boost::function0<void>::operator() (this=0x5555575bf228) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575bf200) at ../libs/pbd/pthread_utils.cc:495
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffdb7fe700 (LWP 3952) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeeaaa47f in g_cond_wait () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff69e5a95 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff78488d3 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke (function_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:118
#4  0x0000555555bab38e in boost::function0<void>::operator() (this=0x5555575c0028) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b3254d in PBD::Thread::_run (arg=0x5555575c0000) at ../libs/pbd/pthread_utils.cc:495
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffdbfff700 (LWP 3951) "LXVSTEventLoop"):
#0  0x00007ffff36ee1e1 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffdbffebf0, rem=0x7fffdbffec00) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007ffff36f39c3 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007fffeea88d48 in g_usleep () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#3  0x0000555556a89259 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:374
#4  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ffff47ff700 (LWP 3950) "Trigger Worker"):
#0  0x00007ffff371b9af in __GI___poll (fds=0x7ffff47febc4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b0c370 in CrossThreadChannel::poll_for_request (this=0x555557540600) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff2b0c3e1 in CrossThreadChannel::receive (this=0x555557540600, msg=@0x7ffff47fec2f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff6a5b0d9 in ARDOUR::TriggerBoxThread::thread_work (this=0x5555575405d0) at ../libs/ardour/triggerbox.cc:4880
#4  0x00007ffff6a5b06f in ARDOUR::TriggerBoxThread::_thread_work (arg=0x5555575405d0) at ../libs/ardour/triggerbox.cc:4868
#5  0x00007ffff2b31a95 in fake_thread_start (arg=0x55555753e920) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff7f79ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007ffff3727a6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ffff7a91240 (LWP 3925) "ArdourGUI"):
#0  Editor::start_track_drag (this=0x555559038b50, tav=..., y=89, w=...) at ../gtk2_ardour/editor.cc:7035
#1  0x00005555568ef6e2 in TimeAxisView::controls_ebox_button_press (this=0x5555744022b8, event=0x555570fd7390) at ../gtk2_ardour/time_axis_view.cc:452
#2  0x00005555568fb3b0 in sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventButton*>::operator() (this=0x555574429978, _A_a1=@0x7fffffffc890: 0x555570fd7390) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2066
#3  0x00005555568fa745 in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventButton*> >::operator()<_GdkEventButton* const&> (this=0x555574429970, _A_arg1=@0x7fffffffc890: 0x555570fd7390) at ../../gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89
#4  0x00005555568f9492 in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, TimeAxisView, _GdkEventButton*>, bool, _GdkEventButton*>::call_it (rep=0x555574429940, a_1=@0x7fffffffc890: 0x555570fd7390) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:170
#5  0x00007ffff2182d2b in sigc::slot1<bool, _GdkEventButton*>::operator() (this=0x555574429528, _A_a1=@0x7fffffffc890: 0x555570fd7390) at ../../gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:665
#6  0x00007ffff21737b5 in (anonymous namespace)::Widget_signal_button_press_event_callback (self=0x555574405260, p0=0x555570fd7390, data=0x555574429520) at ../libs/tk/ytkmm/widget.cc:1157
#7  0x00007ffff13719e7 in _gtk_marshal_BOOLEAN__BOXED (closure=0x555574429c10, return_value=0x7fffffffca30, n_param_values=2, param_values=0x7fffffffcae0, invocation_hint=0x7fffffffca80, marshal_data=0x0) at ../libs/tk/ytk/gtkmarshalers.c:84
#8  0x00007fffeca0f6b5 in g_closure_invoke () from /opt/Ardour-8.6.223-dbg/lib/libgobject-2.0.so.0
#9  0x00007fffeca22593 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libgobject-2.0.so.0
#10 0x00007fffeca2bdc8 in g_signal_emit_valist () from /opt/Ardour-8.6.223-dbg/lib/libgobject-2.0.so.0
#11 0x00007fffeca2c7e2 in g_signal_emit () from /opt/Ardour-8.6.223-dbg/lib/libgobject-2.0.so.0
#12 0x00007ffff14e903e in gtk_widget_event_internal (widget=0x555574405260, event=0x555570fd7390) at ../libs/tk/ytk/gtkwidget.c:5010
#13 0x00007ffff14e8b62 in IA__gtk_widget_event (widget=0x555574405260, event=0x555570fd7390) at ../libs/tk/ytk/gtkwidget.c:4807
#14 0x00007ffff136faa4 in IA__gtk_propagate_event (widget=0x555574405260, event=0x555570fd7390) at ../libs/tk/ytk/gtkmain.c:2446
#15 0x00007ffff136e3c1 in IA__gtk_main_do_event (event=0x555570fd7390) at ../libs/tk/ytk/gtkmain.c:1602
#16 0x00007ffff0e77f84 in gdk_event_dispatch (source=0x555557c047a0, callback=0x0, user_data=0x0) at ../libs/tk/ydk/x11/gdkevents-x11.c:2425
#17 0x00007fffeea56a87 in g_main_context_dispatch () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#18 0x00007fffeea56ce8 in ?? () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#19 0x00007fffeea57002 in g_main_loop_run () from /opt/Ardour-8.6.223-dbg/lib/libglib-2.0.so.0
#20 0x00007ffff136dae5 in IA__gtk_main () at ../libs/tk/ytk/gtkmain.c:1213
#21 0x00007ffff20ee3c7 in Gtk::Main::run_impl (this=0x555557bddf30) at ../libs/tk/ytkmm/main.cc:537
#22 0x00007ffff20ee1cf in Gtk::Main::run () at ../libs/tk/ytkmm/main.cc:480
#23 0x00007ffff2f3d37c in Gtkmm2ext::UI::run (this=0x555557be3ed0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305
#24 0x0000555556242217 in main (argc=1, argv=0x7fffffffd5e8) at ../gtk2_ardour/main.cc:471
(gdb)