This gdb output and threads are for a half-crash of Ardour 6.rc.1.107. I opened up a plugin on a channel, then attempted to PFL that channel. Once the PFL button was pressed on the channel, audio stopped, meters frose in their current state. steve@steve-comp:/opt/Ardour-6.0.rc1.107-dbg/bin$ ./ardour6 --gdb GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /opt/Ardour-6.0.rc1.107-dbg/bin/ardour-6.0.rc1.107...done. (gdb) run Starting program: /opt/Ardour-6.0.rc1.107-dbg/bin/ardour-6.0.rc1.107 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". bind txt domain [gtk2_ardour6] to /opt/Ardour-6.0.rc1.107-dbg/share/locale Ardour6.0.rc1.107 (built using 6.0-rc1-107-g3785cbbf03 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-6.0.rc1.107-dbg/etc/system_config Ardour: [INFO]: Loading user configuration file /home/steve/.config/ardour6/config [New Thread 0x7fffe68a9700 (LWP 2616)] Ardour: [INFO]: CPU vendor: GenuineIntel Ardour: [INFO]: AVX-capable processor Ardour: [INFO]: CPU brand: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz Ardour: [INFO]: Using SSE optimized routines [New Thread 0x7fffe60a8700 (LWP 2617)] [New Thread 0x7fffe58a7700 (LWP 2618)] [New Thread 0x7fffe50a6700 (LWP 2619)] Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-6.0.rc1.107-dbg/share/plugin_metadata/plugin_tags [New Thread 0x7fffd5745700 (LWP 2620)] [Thread 0x7fffd5745700 (LWP 2620) exited] [New Thread 0x7fffd5745700 (LWP 2621)] [New Thread 0x7fffcbb74700 (LWP 2622)] *** WEAK-JACK: initializing *** WEAK-JACK: OK. (0) [New Thread 0x7fffcd49a700 (LWP 2623)] Cannot xinstall SIGPIPE error handler Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-6.0.rc1.107-dbg/etc/default_ui_config Ardour: [INFO]: Loading 449 MIDI patches from /opt/Ardour-6.0.rc1.107-dbg/share/patchfiles Ardour: [INFO]: Loading user ui configuration file /home/steve/.config/ardour6/ui_config Color shuttle bg not found Color play head not found Ardour: [INFO]: Loading color file /opt/Ardour-6.0.rc1.107-dbg/share/themes/dark-ardour.colors Ardour: [INFO]: Loading ui configuration file /opt/Ardour-6.0.rc1.107-dbg/etc/clearlooks.rc Ardour: [INFO]: Loading bindings from /opt/Ardour-6.0.rc1.107-dbg/etc/ardour.keys Loading ui configuration file /opt/Ardour-6.0.rc1.107-dbg/etc/clearlooks.rc [New Thread 0x7fffcc9ad700 (LWP 2624)] [New Thread 0x7fffcc92c700 (LWP 2625)] [Thread 0x7fffcc92c700 (LWP 2625) exited] [New Thread 0x7fffcc92c700 (LWP 2626)] [New Thread 0x7fffcad56700 (LWP 2627)] [New Thread 0x7fffca555700 (LWP 2628)] [New Thread 0x7fffc9d54700 (LWP 2629)] [New Thread 0x7fffc9553700 (LWP 2630)] [New Thread 0x7fffc8d52700 (LWP 2631)] Found nothing along /home/steve/.config/ardour6/templates:/opt/Ardour-6.0.rc1.107-dbg/share/templates pingback: No Error [Thread 0x7fffcc9ad700 (LWP 2624) exited] [Thread 0x7fffc9d54700 (LWP 2629) exited] [Thread 0x7fffc8d52700 (LWP 2631) exited] [Thread 0x7fffc9553700 (LWP 2630) exited] [Thread 0x7fffca555700 (LWP 2628) exited] [Thread 0x7fffcd49a700 (LWP 2623) exited] [New Thread 0x7fffc9553700 (LWP 2633)] playback : nchan : 2 fsamp : 44100 fsize : 4096 nfrag : 3 format : S32_LE capture : nchan : 2 fsamp : 44100 fsize : 4096 nfrag : 2 format : S32_LE synced [New Thread 0x7ffff7e04700 (LWP 2634)] [New Thread 0x7fffc8131700 (LWP 2635)] [New Thread 0x7fffc8128700 (LWP 2636)] [New Thread 0x7fffc8d52700 (LWP 2637)] Scanning folders for bundled LV2s: /opt/Ardour-6.0.rc1.107-dbg/lib/LV2 error: /usr/lib/lv2/lsp-plugins.lv2/spectrum_analyzer_x1.ttl:278:2: missing ';' or '.' error: /usr/lib/lv2/lsp-plugins.lv2/spectrum_analyzer_x1.ttl:278:2: expected `]', not `l' lilv_world_load_file(): error: Error loading file `file:///usr/lib/lv2/lsp-plugins.lv2/spectrum_analyzer_x1.ttl' [New Thread 0x7fffca555700 (LWP 2638)] [New Thread 0x7fffc9d54700 (LWP 2639)] [New Thread 0x7fffa3de9700 (LWP 2643)] [Thread 0x7fffa3de9700 (LWP 2643) exited] [Thread 0x7fffc9d54700 (LWP 2639) exited] [Thread 0x7fffcad56700 (LWP 2627) exited] [New Thread 0x7fffa3de9700 (LWP 2645)] [Thread 0x7fffa3de9700 (LWP 2645) exited] Set cursor set to default loading from /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix as Dragged+Under_Chelsea+Steve_Erdeman_Mix templ is_new 0 bp 0 [New Thread 0x7fffc8012700 (LWP 2646)] [New Thread 0x7fffc8009700 (LWP 2647)] [New Thread 0x7fffa32e7700 (LWP 2648)] [New Thread 0x7fffa32de700 (LWP 2649)] [New Thread 0x7fffa32bd700 (LWP 2650)] [New Thread 0x7fffa329c700 (LWP 2651)] [New Thread 0x7fffa327b700 (LWP 2652)] [New Thread 0x7fffa3de9700 (LWP 2653)] [New Thread 0x7fffcad56700 (LWP 2654)] [New Thread 0x7fffc9d54700 (LWP 2655)] [New Thread 0x7fff7e6c3700 (LWP 2656)] [New Thread 0x7fff7dec2700 (LWP 2657)] [New Thread 0x7fff7d06e700 (LWP 2658)] [New Thread 0x7fff7c86d700 (LWP 2659)] [New Thread 0x7fff67fff700 (LWP 2660)] [New Thread 0x7fff677fe700 (LWP 2661)] locate took 240171 usecs for 76 tracks = 3160 per track locate took 366062 usecs for 76 tracks = 4817 per track [Thread 0x7fffca555700 (LWP 2638) exited] [New Thread 0x7fffca555700 (LWP 2662)] [New Thread 0x7fff66dfd700 (LWP 2663)] [New Thread 0x7fff665fc700 (LWP 2664)] locate took 367796 usecs for 76 tracks = 4839 per track actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 474.7 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 493.3 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 502.9 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 536.1 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 467.9 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 467.3 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 462.7 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 458.2 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 473.2 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 459.6 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 476.8 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 498.4 ms actually writing state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.tmp renaming state to /media/steve/Erdeman/Dragged+Under_Chelsea+Multitracks+32Bit+44.1kHz+155BPM/Dragged+Under_Chelsea+Steve_Erdeman_Mix/Dragged+Under_Chelsea+Steve_Erdeman_Mix.pending saved state in 472.6 ms ^Ccaught signal - shutting down. Thread 1 "gui" received signal SIGINT, Interrupt. 0x00007fffebef0bf9 in __GI___poll (fds=0x5555574137d0, nfds=4, timeout=40) at ../sysdeps/unix/sysv/linux/poll.c:29 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory. (gdb) thread apply all bt Thread 45 (Thread 0x7fff665fc700 (LWP 2664)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x555566fd8ca8, block=true) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x55556e1c7df0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff794324a in sigc::bound_mem_functor0::operator() (this=0x555557902088) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #6 0x00007ffff7942d74 in sigc::adaptor_functor >::operator() (this=0x555557902080) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff794276d in sigc::internal::slot_call0, void>::call_it (rep=0x555557902050) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fff665fc700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 44 (Thread 0x7fff66dfd700 (LWP 2663)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x555566fd8ca8, block=true) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368 #4 0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x55556e1d52f0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff794324a in sigc::bound_mem_functor0::operator() (this=0x555559fc6458) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #6 0x00007ffff7942d74 in sigc::adaptor_functor >::operator() (this=0x555559fc6450) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff794276d in sigc::internal::slot_call0, void>::call_it (rep=0x555559fc6420) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fff66dfd700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 43 (Thread 0x7fffca555700 (LWP 2662)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff793e483 in ArdourWaveView::WaveViewDrawRequestQueue::dequeue (this=0x555566fd8ca8, block=true) at ../libs/waveview/wave_view_private.cc:299 #3 0x00007ffff793e7a0 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:368 ---Type to continue, or q to quit--- #4 0x00007ffff793eafe in ArdourWaveView::WaveViewDrawingThread::run (this=0x555575d88bd0) at ../libs/waveview/wave_view_private.cc:450 #5 0x00007ffff794324a in sigc::bound_mem_functor0::operator() (this=0x5555575c2fd8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #6 0x00007ffff7942d74 in sigc::adaptor_functor >::operator() (this=0x5555575c2fd0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff794276d in sigc::internal::slot_call0, void>::call_it (rep=0x5555575c2fa0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fffca555700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 42 (Thread 0x7fff677fe700 (LWP 2661)): #0 0x00007fffeecc3c60 in __GI___nanosleep (requested_time=0x7fff677fdbb0, remaining=0x7fff677fdbc0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 #1 0x00007ffff2f97a38 in g_usleep () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff697faee in ARDOUR::AutomationWatch::thread (this=0x5555650877a0) at ../libs/ardour/automation_watch.cc:195 #3 0x00007ffff6985331 in boost::_mfi::mf0::operator() (this=0x555575707b80, p=0x5555650877a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6984f76 in boost::_bi::list1 >::operator(), boost::_bi::list0> (this=0x555575707b90, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #5 0x00007ffff6984697 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x555575707b80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #6 0x00007ffff6984618 in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x555575707b80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff6983e76 in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x555575707b50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fff677fe700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 41 (Thread 0x7fff67fff700 (LWP 2660)): #0 0x00007fffeecbf9f3 in futex_wait_cancelable (private=, expected=0, futex_word=0x5555581b1670) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5555581b1620, cond=0x5555581b1648) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x5555581b1648, mutex=0x5555581b1620) at pthread_cond_wait.c:655 #3 0x00007ffff6f70862 in ARDOUR::Session::auto_connect_thread_run (this=0x5555581af820) at ../libs/ardour/session.cc:7002 #4 0x00007ffff6f7059a in ARDOUR::Session::auto_connect_thread (arg=0x5555581af820) at ../libs/ardour/session.cc:6951 #5 0x00007fffeecb96db in start_thread (arg=0x7fff67fff700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 ---Type to continue, or q to quit--- Thread 40 (Thread 0x7fff7c86d700 (LWP 2659)): #0 0x00007fffeecbf9f3 in futex_wait_cancelable (private=, expected=0, futex_word=0x5555581b1600) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5555581b15b0, cond=0x5555581b15d8) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x5555581b15d8, mutex=0x5555581b15b0) at pthread_cond_wait.c:655 #3 0x00007ffff6fe901b in ARDOUR::Session::emit_thread_run (this=0x5555581af820) at ../libs/ardour/session_process.cc:1111 #4 0x00007ffff6fe8fb8 in ARDOUR::Session::emit_thread (arg=0x5555581af820) at ../libs/ardour/session_process.cc:1100 #5 0x00007fffeecb96db in start_thread (arg=0x7fff7c86d700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 39 (Thread 0x7fff7d06e700 (LWP 2658)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fff9c02e550, nfds=3, timeout=99) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff419f736 in BaseUI::main_thread (this=0x55555a6c9e48) at ../libs/pbd/base_ui.cc:98 #4 0x00007ffff41a3858 in sigc::bound_mem_functor0::operator() (this=0x55555913d7c8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #5 0x00007ffff41a3498 in sigc::adaptor_functor >::operator() (this=0x55555913d7c0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #6 0x00007ffff41a2ed9 in sigc::internal::slot_call0, void>::call_it (rep=0x55555913d790) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #8 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #9 0x00007fffeecb96db in start_thread (arg=0x7fff7d06e700) at pthread_create.c:463 #10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 38 (Thread 0x7fff7dec2700 (LWP 2657)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55556360d830) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x55556360d830, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55556360d830, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x55556360d830) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff70db724 in ARDOUR::Worker::run (this=0x55556360d810) at ../libs/ardour/worker.cc:146 #5 0x00007ffff70dc716 in sigc::bound_mem_functor0::operator() (this=0x555563610068) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #6 0x00007ffff70dc65e in sigc::adaptor_functor >::operator() (this=0x555563610060) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff70dc535 in sigc::internal::slot_call0, void>::call_it (rep=0x555563610030) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 ---Type to continue, or q to quit--- #10 0x00007fffeecb96db in start_thread (arg=0x7fff7dec2700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 37 (Thread 0x7fff7e6c3700 (LWP 2656)): #0 0x00007fffebef303f in __GI___select (nfds=98, readfds=0x7fff7e6c2bc0, writefds=0x0, exceptfds=0x0, timeout=0x7fff7e6c2bb0) at ../sysdeps/unix/sysv/linux/select.c:41 #1 0x00007fff7e73a102 in ?? () from /usr/lib/lv2/TAL-Reverb-3.lv2/TAL-Reverb-3.so #2 0x00007fff7e73a2a5 in ?? () from /usr/lib/lv2/TAL-Reverb-3.lv2/TAL-Reverb-3.so #3 0x00007fff7e6f8817 in ?? () from /usr/lib/lv2/TAL-Reverb-3.lv2/TAL-Reverb-3.so #4 0x00007fff7e72d1fc in ?? () from /usr/lib/lv2/TAL-Reverb-3.lv2/TAL-Reverb-3.so #5 0x00007fff7e72d369 in ?? () from /usr/lib/lv2/TAL-Reverb-3.lv2/TAL-Reverb-3.so #6 0x00007fffeecb96db in start_thread (arg=0x7fff7e6c3700) at pthread_create.c:463 #7 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 36 (Thread 0x7fffc9d54700 (LWP 2655)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fff70000bf8, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fff7efa8e83 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so #2 0x00007fff7ef64b77 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so #3 0x00007fff7ef90b16 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so #4 0x00007fff7ef90ca9 in ?? () from /usr/lib/lv2/Luftikus.lv2/Luftikus.so #5 0x00007fffeecb96db in start_thread (arg=0x7fffc9d54700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 35 (Thread 0x7fffcad56700 (LWP 2654)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fff78000bf8, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fff7fc682a3 in ?? () from /usr/lib/lv2/LUFSMeter.lv2/LUFSMeter.so #2 0x00007fff7fc20b07 in ?? () from /usr/lib/lv2/LUFSMeter.lv2/LUFSMeter.so #3 0x00007fff7fc4f876 in ?? () from /usr/lib/lv2/LUFSMeter.lv2/LUFSMeter.so #4 0x00007fff7fc4fa09 in ?? () from /usr/lib/lv2/LUFSMeter.lv2/LUFSMeter.so #5 0x00007fffeecb96db in start_thread (arg=0x7fffcad56700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 34 (Thread 0x7fffa3de9700 (LWP 2653)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fff8417a7d0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff419f736 in BaseUI::main_thread (this=0x555558bec4e0) at ../libs/pbd/base_ui.cc:98 #4 0x00007ffff41a3858 in sigc::bound_mem_functor0::operator() (this=0x55555cbe1cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #5 0x00007ffff41a3498 in sigc::adaptor_functor >::operator() (this=0x55555cbe1cf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 ---Type to continue, or q to quit--- #6 0x00007ffff41a2ed9 in sigc::internal::slot_call0, void>::call_it (rep=0x55555cbe1cc0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #8 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #9 0x00007fffeecb96db in start_thread (arg=0x7fffa3de9700) at pthread_create.c:463 #10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 33 (Thread 0x7fffa327b700 (LWP 2652)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fffa327a328, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff41b5598 in CrossThreadChannel::poll_for_request (this=0x55555b584af8) at ../libs/pbd/crossthread.posix.cc:102 #2 0x00007ffff41b5601 in CrossThreadChannel::receive (this=0x55555b584af8, msg=@0x7fffa327a3ef: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123 #3 0x00007ffff6995628 in ARDOUR::Butler::thread_work (this=0x55555b584a60) at ../libs/ardour/butler.cc:172 #4 0x00007ffff69953a9 in ARDOUR::Butler::_thread_work (arg=0x55555b584a60) at ../libs/ardour/butler.cc:153 #5 0x00007ffff41d8648 in fake_thread_start (arg=0x55555cbe14d0) at ../libs/pbd/pthread_utils.cc:107 #6 0x00007fffeecb96db in start_thread (arg=0x7fffa327b700) at pthread_create.c:463 #7 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 32 (Thread 0x7fffa329c700 (LWP 2651)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555884f768) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x55555884f768, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555884f768, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x55555884f768) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6aade72 in ARDOUR::Graph::reached_terminal_node (this=0x55555884f690) at ../libs/ardour/graph.cc:301 #5 0x00007ffff6ab5bff in ARDOUR::GraphNode::finish (this=0x55555d6d1c08, chain=1) at ../libs/ardour/graphnode.cc:73 #6 0x00007ffff6ab13b0 in ARDOUR::GraphNode::run (this=0x55555d6d1c08, chain=1) at ../libs/ardour/ardour/graphnode.h:63 #7 0x00007ffff6aaec50 in ARDOUR::Graph::run_one (this=0x55555884f690) at ../libs/ardour/graph.cc:442 #8 0x00007ffff6aaef9a in ARDOUR::Graph::helper_thread (this=0x55555884f690) at ../libs/ardour/graph.cc:470 #9 0x00007ffff6ab5537 in boost::_mfi::mf0::operator() (this=0x7fffa329bcf8, p=0x55555884f690) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #10 0x00007ffff6ab4cec in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x7fffa329bd08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #11 0x00007ffff6ab4149 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffa329bcf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #12 0x00007ffff6ab39ed in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #13 0x0000555555b8b94c in boost::function0::operator() (this=0x7fffa329bcf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #14 0x00007fffcd519df7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555873a0d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1118 #15 0x00007fffeecb96db in start_thread (arg=0x7fffa329c700) at pthread_create.c:463 ---Type to continue, or q to quit--- #16 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 31 (Thread 0x7fffa32bd700 (LWP 2650)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555884f740) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x55555884f740, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555884f740, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x55555884f740) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6aaeae2 in ARDOUR::Graph::run_one (this=0x55555884f690) at ../libs/ardour/graph.cc:426 #5 0x00007ffff6aaef9a in ARDOUR::Graph::helper_thread (this=0x55555884f690) at ../libs/ardour/graph.cc:470 #6 0x00007ffff6ab5537 in boost::_mfi::mf0::operator() (this=0x7fffa32bccf8, p=0x55555884f690) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6ab4cec in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x7fffa32bcd08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6ab4149 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffa32bccf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6ab39ed in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #10 0x0000555555b8b94c in boost::function0::operator() (this=0x7fffa32bccf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcd519df7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555b65f3b0) at ../libs/backends/alsa/alsa_audiobackend.cc:1118 #12 0x00007fffeecb96db in start_thread (arg=0x7fffa32bd700) at pthread_create.c:463 #13 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7fffa32de700 (LWP 2649)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x55555884f740) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x55555884f740, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x55555884f740, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x55555884f740) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6aaeae2 in ARDOUR::Graph::run_one (this=0x55555884f690) at ../libs/ardour/graph.cc:426 #5 0x00007ffff6aaf37c in ARDOUR::Graph::main_thread (this=0x55555884f690) at ../libs/ardour/graph.cc:523 #6 0x00007ffff6ab5537 in boost::_mfi::mf0::operator() (this=0x7fffa32ddcf8, p=0x55555884f690) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff6ab4cec in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x7fffa32ddd08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #8 0x00007ffff6ab4149 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() ( this=0x7fffa32ddcf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #9 0x00007ffff6ab39ed in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 ---Type to continue, or q to quit--- #10 0x0000555555b8b94c in boost::function0::operator() (this=0x7fffa32ddcf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #11 0x00007fffcd519df7 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555599b4c30) at ../libs/backends/alsa/alsa_audiobackend.cc:1118 #12 0x00007fffeecb96db in start_thread (arg=0x7fffa32de700) at pthread_create.c:463 #13 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7fffa32e7700 (LWP 2648)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x7fffac0040e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x7fffac0040e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6f33717 in ARDOUR::RTTaskList::run (this=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6f33506 in ARDOUR::RTTaskList::_thread_run (arg=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007fffeecb96db in start_thread (arg=0x7fffa32e7700) at pthread_create.c:463 #7 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7fffc8009700 (LWP 2647)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x7fffac0040e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x7fffac0040e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6f33717 in ARDOUR::RTTaskList::run (this=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6f33506 in ARDOUR::RTTaskList::_thread_run (arg=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007fffeecb96db in start_thread (arg=0x7fffc8009700) at pthread_create.c:463 #7 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7fffc8012700 (LWP 2646)): #0 0x00007fffeecc26d6 in futex_abstimed_wait_cancelable (private=0, abstime=0x0, expected=0, futex_word=0x7fffac0040e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007fffeecc27c8 in __new_sem_wait_slow (sem=0x7fffac0040e0, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff6ab1346 in PBD::Semaphore::wait (this=0x7fffac0040e0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff6f33717 in ARDOUR::RTTaskList::run (this=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff6f33506 in ARDOUR::RTTaskList::_thread_run (arg=0x7fffac0040b0) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007fffeecb96db in start_thread (arg=0x7fffc8012700) at pthread_create.c:463 #7 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7fffc8d52700 (LWP 2637)): ---Type to continue, or q to quit--- #0 0x00007fffebef0bf9 in __GI___poll (fds=0x7fffa40036c0, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcd51acca in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x5555576fa880) at ../libs/backends/alsa/alsa_audiobackend.cc:1318 #2 0x00007fffcd51ab62 in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x5555576fa880) at ../libs/backends/alsa/alsa_audiobackend.cc:1281 #3 0x00007fffeecb96db in start_thread (arg=0x7fffc8d52700) at pthread_create.c:463 #4 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7fffc8128700 (LWP 2636)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7149 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff692a37d in Glib::Threads::Mutex::Lock::acquire (this=0x7fffc81265a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/glibmm-2.4/glibmm/threads.h:670 #3 0x00007ffff6f6ef50 in ARDOUR::Session::update_latency_compensation (this=0x5555581af820, force_whole_graph=false, called_from_backend=false) at ../libs/ardour/session.cc:6703 #4 0x00007ffff6f1c462 in boost::_mfi::mf2::operator() (this=0x7fff9c029560, p=0x5555581af820, a1=false, a2=false) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:280 #5 0x00007ffff6f1af1e in boost::_bi::list3, boost::_bi::value, boost::_bi::value >::operator(), boost::_bi::list0> (this=0x7fff9c029570, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:398 #6 0x00007ffff6f19797 in boost::_bi::bind_t, boost::_bi::list3, boost::_bi::value, boost::_bi::value > >::operator() (this=0x7fff9c029560) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #7 0x00007ffff6f16db6 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list3, boost::_bi::value, boost::_bi::value > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #8 0x0000555555b8b94c in boost::function0::operator() (this=0x7fff9c028ee0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #9 0x0000555555b8b5ec in PBD::Signal0 >::operator() (this=0x555563a03828) at libs/pbd/pbd/signals_generated.h:328 #10 0x00007ffff68d30e4 in ARDOUR::Processor::activate (this=0x555563a03430) at ../libs/ardour/ardour/processor.h:103 #11 0x00007ffff6f41e32 in ARDOUR::Send::activate (this=0x555563a03430) at ../libs/ardour/send.cc:129 #12 0x00007ffff6eebc45 in ARDOUR::Route::set_listen (this=0x555562ff7ae0, yn=true) at ../libs/ardour/route.cc:716 #13 0x00007ffff6eebd03 in ARDOUR::Route::solo_control_changed (this=0x555562ff7ae0) at ../libs/ardour/route.cc:731 #14 0x00007ffff6f1bd0e in boost::_mfi::mf2::operator() (this=0x7fff9c037158, p=0x555562ff7ae0, a1=true, a2=PBD::Controllable::UseGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:280 #15 0x00007ffff6f1a528 in boost::_bi::list3, boost::arg<1>, boost::arg<2> >::operator(), boost::_bi::rrlist2 > (this=0x7fff9c037168, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:398 #16 0x00007ffff6f185d2 in boost::_bi::bind_t, boost::_bi::list3, boost::arg<1>, boost::arg<2> > >::operator() (this=0x7fff9c037158, a1=@0x7fffc8126ac4: true, a2=@0x7fffc8126ac0: PBD::Controllable::UseGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1318 #17 0x00007ffff6f15cd3 in boost::detail::function::void_function_obj_invoker2, boost::_bi::list3, boost::arg<1>, boost::arg<2> > >, void, bool, PBD::Controllable::GroupControlDisposition>::invoke (function_obj_ptr=..., a0=true, a1=PBD::Controllable::UseGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #18 0x0000555555c9913b in boost::function2::operator() (this=0x7fff9c037150, a0=true, ---Type to continue, or q to quit--- a1=PBD::Controllable::UseGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #19 0x0000555556707557 in PBD::Signal2 >::operator() (this=0x555562ff0fe0, a1=true, a2=PBD::Controllable::UseGroup) at libs/pbd/pbd/signals_generated.h:1080 #20 0x00007ffff6972782 in ARDOUR::AutomationControl::actually_set_value (this=0x555562ff0e20, value=1, gcd=PBD::Controllable::UseGroup) at ../libs/ardour/automation_control.cc:225 #21 0x00007ffff705b551 in ARDOUR::SlavableAutomationControl::actually_set_value (this=0x555562ff0e20, value=1, gcd=PBD::Controllable::UseGroup) at ../libs/ardour/slavable_automation_control.cc:186 #22 0x00007ffff7072503 in ARDOUR::SoloControl::actually_set_value (this=0x555562ff0e20, val=1, group_override=PBD::Controllable::UseGroup) at ../libs/ardour/solo_control.cc:174 #23 0x00007ffff697246e in ARDOUR::AutomationControl::set_value (this=0x555562ff0e20, val=1, gcd=PBD::Controllable::UseGroup) at ../libs/ardour/automation_control.cc:147 #24 0x00007ffff6fece5b in ARDOUR::Session::rt_set_controls (this=0x5555581af820, cl=..., val=1, gcd=PBD::Controllable::UseGroup) at ../libs/ardour/session_rtevents.cc:77 #25 0x00007ffff6feeea0 in boost::_mfi::mf3, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>::operator() (this=0x55556d859920, p=0x5555581af820, a1=..., a2=1, a3=PBD::Controllable::UseGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:393 #26 0x00007ffff6feebf4 in boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value >::operator(), std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list0> (this=0x55556d859930, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:463 #27 0x00007ffff6fee7d5 in boost::_bi::bind_t, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value > >::operator() (this=0x55556d859920) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #28 0x00007ffff6fee5e3 in boost::detail::function::void_function_obj_invoker0, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159 #29 0x0000555555b8b94c in boost::function0::operator() (this=0x5555572562e8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769 #30 0x00007ffff6fed10d in ARDOUR::Session::process_rtop (this=0x5555581af820, ev=0x555557256280) at ../libs/ardour/session_rtevents.cc:117 #31 0x00007ffff6fe87e1 in ARDOUR::Session::process_event (this=0x5555581af820, ev=0x555557256280) at ../libs/ardour/session_process.cc:979 #32 0x00007ffff6fc466c in ARDOUR::SessionEventManager::merge_event (this=0x5555581af9b0, ev=0x555557256280) at ../libs/ardour/session_events.cc:222 #33 0x00007ffff6fe5bfe in ARDOUR::Session::process_with_events (this=0x5555581af820, nframes=4096) at ../libs/ardour/session_process.cc:352 #34 0x00007ffff6fe44ac in ARDOUR::Session::process (this=0x5555581af820, nframes=4096) at ../libs/ardour/session_process.cc:97 #35 0x00007ffff6925755 in ARDOUR::AudioEngine::process_callback (this=0x55555712d100, nframes=4096) at ../libs/ardour/audioengine.cc:473 #36 0x00007fffcd51e318 in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x5555576fa880) at ../libs/backends/alsa/alsa_audiobackend.cc:1879 #37 0x00007fffcd517a0f in pthread_process (arg=0x5555576fa880) at ../libs/backends/alsa/alsa_audiobackend.cc:734 ---Type to continue, or q to quit--- #38 0x00007fffeecb96db in start_thread (arg=0x7fffc8128700) at pthread_create.c:463 #39 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7fffc8131700 (LWP 2635)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x5555578fa600, nfds=1, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fffcd543d12 in ARDOUR::AlsaRawMidiIn::main_process_thread (this=0x5555578fa9b0) at ../libs/backends/alsa/alsa_rawmidi.cc:255 #2 0x00007fffcd541941 in pthread_process (arg=0x5555578fae08) at ../libs/backends/alsa/alsa_midi.cc:68 #3 0x00007fffeecb96db in start_thread (arg=0x7fffc8131700) at pthread_create.c:463 #4 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 19 (Thread 0x7ffff7e04700 (LWP 2634)): #0 0x00007fffeecbf9f3 in futex_wait_cancelable (private=, expected=0, futex_word=0x55555745a268) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55555745a218, cond=0x55555745a240) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x55555745a240, mutex=0x55555745a218) at pthread_cond_wait.c:655 #3 0x00007fffcd5435f5 in ARDOUR::AlsaRawMidiOut::main_process_thread (this=0x55555745a1f0) at ../libs/backends/alsa/alsa_rawmidi.cc:150 #4 0x00007fffcd541941 in pthread_process (arg=0x55555745a208) at ../libs/backends/alsa/alsa_midi.cc:68 #5 0x00007fffeecb96db in start_thread (arg=0x7ffff7e04700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 18 (Thread 0x7fffc9553700 (LWP 2633)): #0 0x00007fffebef303f in __GI___select (nfds=1, readfds=0x7fffc9550c00, writefds=0x0, exceptfds=0x0, timeout=0x7fffc9550c80) at ../sysdeps/unix/sysv/linux/select.c:41 #1 0x00007ffff41eedf6 in PBD::SystemExec::output_interposer (this=0x5555575d8ec0) at ../libs/pbd/system_exec.cc:995 #2 0x00007ffff41edf36 in interposer_thread (arg=0x5555575d8ec0) at ../libs/pbd/system_exec.cc:375 #3 0x00007fffeecb96db in start_thread (arg=0x7fffc9553700) at pthread_create.c:463 #4 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7fffcc92c700 (LWP 2626)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x5555573c1730, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2f66e7c in g_main_context_iteration () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff2f66ec1 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #4 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #5 0x00007fffeecb96db in start_thread (arg=0x7fffcc92c700) at pthread_create.c:463 #6 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fffcbb74700 (LWP 2622)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff692621d in ARDOUR::AudioEngine::do_devicelist_update (this=0x55555712d100) at ../libs/ardour/audioengine.cc:678 #3 0x00007ffff693320b in boost::_mfi::mf0::operator() (this=0x55555712a290, p=0x55555712d100) ---Type to continue, or q to quit--- at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6932c3a in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x55555712a2a0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #5 0x00007ffff6932377 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x55555712a290) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #6 0x00007ffff6931b76 in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x55555712a290) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff6930d34 in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x55555712a260) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fffcbb74700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fffd5745700 (LWP 2621)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff6925fe4 in ARDOUR::AudioEngine::do_reset_backend (this=0x55555712d100) at ../libs/ardour/audioengine.cc:642 #3 0x00007ffff693320b in boost::_mfi::mf0::operator() (this=0x5555571bc960, p=0x55555712d100) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff6932c3a in boost::_bi::list1 >::operator(), boost::_bi::list0> ( this=0x5555571bc970, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259 #5 0x00007ffff6932377 in boost::_bi::bind_t, boost::_bi::list1 > >::operator() (this=0x5555571bc960) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294 #6 0x00007ffff6931b76 in sigc::adaptor_functor, boost::_bi::list1 > > >::operator() (this=0x5555571bc960) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff6930d34 in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it (rep=0x5555571bc930) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #9 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #10 0x00007fffeecb96db in start_thread (arg=0x7fffd5745700) at pthread_create.c:463 #11 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fffe50a6700 (LWP 2619)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff68da0b0 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:93 #3 0x00007ffff68d9e9c in analyser_work () at ../libs/ardour/analyser.cc:58 #4 0x0000555556402427 in sigc::pointer_functor0::operator() (this=0x5555571befa8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 ---Type to continue, or q to quit--- #5 0x00005555563ff55a in sigc::adaptor_functor >::operator() (this=0x5555571befa0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #6 0x00005555563fb3e3 in sigc::internal::slot_call0, void>::call_it (rep=0x5555571bef70) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #8 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #9 0x00007fffeecb96db in start_thread (arg=0x7fffe50a6700) at pthread_create.c:463 #10 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fffe58a7700 (LWP 2618)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff70794b6 in peak_thread_work () at ../libs/ardour/source_factory.cc:74 #3 0x0000555556402427 in sigc::pointer_functor0::operator() (this=0x5555571bf168) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x00005555563ff55a in sigc::adaptor_functor >::operator() (this=0x5555571bf160) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x00005555563fb3e3 in sigc::internal::slot_call0, void>::call_it (rep=0x5555571bf130) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #6 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #7 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #8 0x00007fffeecb96db in start_thread (arg=0x7fffe58a7700) at pthread_create.c:463 #9 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fffe60a8700 (LWP 2617)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff2fb7e4c in g_cond_wait () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff70794b6 in peak_thread_work () at ../libs/ardour/source_factory.cc:74 #3 0x0000555556402427 in sigc::pointer_functor0::operator() (this=0x555557109e98) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x00005555563ff55a in sigc::adaptor_functor >::operator() (this=0x555557109e90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x00005555563fb3e3 in sigc::internal::slot_call0, void>::call_it (rep=0x555557109e60) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103 #6 0x00007ffff3500c4d in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglibmm-2.4.so.1 #7 0x00007ffff2f961e5 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #8 0x00007fffeecb96db in start_thread (arg=0x7fffe60a8700) at pthread_create.c:463 #9 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fffe68a9700 (LWP 2616)): ---Type to continue, or q to quit--- #0 0x00007fffeecc3c60 in __GI___nanosleep (requested_time=0x7fffe68a8bf0, remaining=0x7fffe68a8c00) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 #1 0x00007ffff2f97a38 in g_usleep () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x000055555677b318 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:463 #3 0x00007fffeecb96db in start_thread (arg=0x7fffe68a9700) at pthread_create.c:463 #4 0x00007fffebefd88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7ffff7fac900 (LWP 2612)): #0 0x00007fffebef0bf9 in __GI___poll (fds=0x5555574137d0, nfds=4, timeout=40) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff2f66d66 in ?? () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #2 0x00007ffff2f670f2 in g_main_loop_run () from /opt/Ardour-6.0.rc1.107-dbg/lib/libglib-2.0.so.0 #3 0x00007ffff25593e7 in gtk_main () from /opt/Ardour-6.0.rc1.107-dbg/lib/libgtk-x11-2.0.so.0 #4 0x00007ffff458025a in Gtkmm2ext::UI::run (this=0x555557159990, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:290 #5 0x0000555556135091 in main (argc=1, argv=0x7fffffffd228) at ../gtk2_ardour/main.cc:435 (gdb)