(gdb) thread apply all bt

Thread 48 (Thread 0x7fff7d9a0640 (LWP 7637) "autoconnect"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x555559bf1b90) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559bf1b90) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x555559bf1b90, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fffe763fac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559bf1b40, cond=0x555559bf1b68) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x555559bf1b68, mutex=0x555559bf1b40) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff6810e88 in ARDOUR::Session::auto_connect_thread_run (this=0x555559befa10) at ../libs/ardour/session.cc:7635
#6  0x00007ffff68108d4 in ARDOUR::Session::auto_connect_thread (arg=0x555559befa10) at ../libs/ardour/session.cc:7566
#7  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 47 (Thread 0x7fff88e7e640 (LWP 7636) "SessionSignals"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x555559bf1b20) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559bf1b20) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x555559bf1b20, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fffe763fac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559bf1ad0, cond=0x555559bf1af8) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x555559bf1af8, mutex=0x555559bf1ad0) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff689e4f9 in ARDOUR::Session::emit_thread_run (this=0x555559befa10) at ../libs/ardour/session_process.cc:1232
#6  0x00007ffff689e496 in ARDOUR::Session::emit_thread (arg=0x555559befa10) at ../libs/ardour/session_process.cc:1221
#7  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 46 (Thread 0x7fff8967f640 (LWP 7635) "ArdourGUI"):
#0  0x00007fffe76c4d7f in __GI___poll (fds=0x7fff78000b70, nfds=2, timeout=60000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe7e08af7 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libusb-1.0.so.0
#2  0x00007fffe7e09c19 in libusb_handle_events_timeout_completed () from /opt/Ardour-8.1.40-dbg/lib/libusb-1.0.so.0
#3  0x00007fffe7e09d9a in libusb_handle_events () from /opt/Ardour-8.1.40-dbg/lib/libusb-1.0.so.0
#4  0x00007ffff63705b2 in usb_hotplug_thread (user_data=0x55555751ca60) at ../libs/ardour/control_protocol_manager.cc:87
#5  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 45 (Thread 0x7fff89e80640 (LWP 7634) "ArdourGUI"):
#0  0x00007fffe76c4d7f in __GI___poll (fds=0x7fff89e7fc70, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe7e1162d in ?? () from /opt/Ardour-8.1.40-dbg/lib/libusb-1.0.so.0
#2  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#3  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 44 (Thread 0x7fff8b5fe640 (LWP 7633) "ZynMiddleWare"):
#0  0x00007fffe7691868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7fff8b5fdc50, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe76966e7 in __GI___nanosleep (req=req@entry=0x7fff8b5fdc50, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007fffe76c80df in usleep (useconds=<optimized out>) at ../sysdeps/posix/usleep.c:31
#3  0x00007fffb023ed56 in ?? () from /usr/lib/lv2/ZynAddSubFX.lv2/ZynAddSubFX.so
#4  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 42 (Thread 0x7fffb2ffd640 (LWP 7631) "LV2Worker"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38f08 in PBD::Semaphore::wait (this=0x55556453ad30) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff69d7c12 in ARDOUR::Worker::run (this=0x55556453ad10) at ../libs/ardour/worker.cc:145
#3  0x00007ffff69d8f85 in boost::_mfi::mf0<void, ARDOUR::Worker>::operator() (this=0x55556453b2d0, p=0x55556453ad10) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff69d8db2 in boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list0> (this=0x55556453b2e0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff69d8ca9 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Worker>, boost::_bi::list1<boost::_bi::value<ARDOUR::Worker*> > >::operator() (this=0x55556453b2d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff69d8bf7 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x55556453b2c8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x55556453b2a0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
--Type <RET> for more, q to quit, c to continue without paging--
#10 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 41 (Thread 0x7fff9ffff640 (LWP 7630) "ArdourGUI"):
#0  0x00007fffe7691868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7fff9fffec60, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe76966e7 in __GI___nanosleep (req=req@entry=0x7fff9fffec60, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007fffe76c80df in usleep (useconds=<optimized out>) at ../sysdeps/posix/usleep.c:31
#3  0x00007fff9dfecfca in ?? () from /usr/lib/lv2/yoshimi.lv2/yoshimi_lv2.so
#4  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 40 (Thread 0x7fffb27fc640 (LWP 7629) "ArdourGUI"):
#0  0x00007fffe7691868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7fffb27fbc20, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe76966e7 in __GI___nanosleep (req=req@entry=0x7fffb27fbc20, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007fffe76c80df in usleep (useconds=<optimized out>) at ../sysdeps/posix/usleep.c:31
#3  0x00007fff9e097188 in ?? () from /usr/lib/lv2/yoshimi.lv2/yoshimi_lv2.so
#4  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 39 (Thread 0x7fffb17fa640 (LWP 7628) "midiUI"):
#0  0x00007fffe76c4d7f in __GI___poll (fds=0x7fffa8001080, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff1256c76 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff1257002 in g_main_loop_run () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff2af45e6 in BaseUI::main_thread (this=0x55555a810ad0) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff2af8db1 in boost::_mfi::mf0<void, BaseUI>::operator() (this=0x55555a8cb880, p=0x55555a810ad0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff2af8a82 in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0> (this=0x55555a8cb890, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff2af8671 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator() (this=0x55555a8cb880) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff2af8130 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x55555a8cb878) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x55555a8cb850) at ../libs/pbd/pthread_utils.cc:488
#10 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 38 (Thread 0x7fffec0bd640 (LWP 7627) "butler"):
#0  0x00007ffff633da39 in PBD::to_string<Evoral::ControlList::InterpolationStyle> (val=32767, str="") at ../libs/ardour/ardour/evoral_types_convert.h:30
#1  0x00007ffff633e5db in XMLNode::set_property<Evoral::ControlList::InterpolationStyle> (this=0x7fff8c0471e0, name=0x7ffff6d88940 "interpolation-style", value=@0x5555657793d0: Evoral::ControlList::Linear) at ../libs/pbd/pbd/xml++.h:166
#2  0x00007ffff633c114 in ARDOUR::AutomationList::state (this=0x555565779200, save_auto_state=true, need_lock=true) at ../libs/ardour/automation_list.cc:337
#3  0x00007ffff633bef6 in ARDOUR::AutomationList::snapshot_history (this=0x555565779200, need_lock=true) at ../libs/ardour/automation_list.cc:303
#4  0x00007ffff633bd35 in ARDOUR::AutomationList::start_write_pass (this=0x555565779200, when=...) at ../libs/ardour/automation_list.cc:255
#5  0x00007ffff6324e76 in ARDOUR::Automatable::non_realtime_locate (this=0x5555650022e0, now=0) at ../libs/ardour/automatable.cc:429
#6  0x00007ffff679bca8 in ARDOUR::Route::non_realtime_locate (this=0x55556450ee10, pos=0) at ../libs/ardour/route.cc:5617
#7  0x00007ffff69629fb in ARDOUR::Track::non_realtime_locate (this=0x55556450ee10, p=0) at ../libs/ardour/track.cc:585
#8  0x00007ffff65e549e in ARDOUR::MidiTrack::non_realtime_locate (this=0x55556450ee10, spos=0) at ../libs/ardour/midi_track.cc:426
#9  0x00007ffff690d2e4 in ARDOUR::Session::non_realtime_locate (this=0x555559befa10) at ../libs/ardour/session_transport.cc:1288
#10 0x00007ffff690c8f2 in ARDOUR::Session::butler_transport_work (this=0x555559befa10, have_process_lock=false) at ../libs/ardour/session_transport.cc:1199
#11 0x00007ffff635965a in ARDOUR::Butler::thread_work (this=0x5555592b9330) at ../libs/ardour/butler.cc:223
#12 0x00007ffff6358eef in ARDOUR::Butler::_thread_work (arg=0x5555592b9330) at ../libs/ardour/butler.cc:170
#13 0x00007ffff2b31f97 in fake_thread_start (arg=0x55555a8fa200) at ../libs/pbd/pthread_utils.cc:101
#14 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#15 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 37 (Thread 0x7ffff09ff640 (LWP 7626) "RT-2-0x7ffff09f"):
#0  0x00007fff8a871a64 in ?? () from /usr/lib/lv2/Surge.lv2/Surge.so
#1  0x00007fff8a70e1f8 in ?? () from /usr/lib/lv2/Surge.lv2/Surge.so
#2  0x00007fff8a70f996 in ?? () from /usr/lib/lv2/Surge.lv2/Surge.so
#3  0x00007fff8a71020d in ?? () from /usr/lib/lv2/Surge.lv2/Surge.so
#4  0x00007fff8a8731bb in ?? () from /usr/lib/lv2/Surge.lv2/Surge.so
#5  0x00007ffff69d9865 in lilv_instance_run (instance=0x555565170550, sample_count=512) at ../../gtk/inst/include/lilv-0/lilv/lilv.h:1948
--Type <RET> for more, q to quit, c to continue without paging--c
#6  0x00007ffff69ed102 in ARDOUR::LV2Plugin::run (this=0x55556500cb70, nframes=512, sync_work=false) at ../libs/ardour/lv2_plugin.cc:3361
#7  0x00007ffff69eab8f in ARDOUR::LV2Plugin::connect_and_run (this=0x55556500cb70, bufs=..., start=2064, end=2064, speed=0, in_map=..., out_map=..., nframes=512, offset=0) at ../libs/ardour/lv2_plugin.cc:3021
#8  0x00007ffff66918d9 in ARDOUR::PluginInsert::connect_and_run (this=0x555565002190, bufs=..., start=2064, end=2064, speed=0, nframes=512, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:1113
#9  0x00007ffff669328d in ARDOUR::PluginInsert::run (this=0x555565002190, bufs=..., start_sample=2064, end_sample=2064, speed=0, nframes=512) at ../libs/ardour/plugin_insert.cc:1345
#10 0x00007ffff677cf29 in ARDOUR::Route::process_output_buffers (this=0x55556450ee10, bufs=..., start_sample=2064, end_sample=2064, nframes=512, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:545
#11 0x00007ffff677e075 in ARDOUR::Route::run_route (this=0x55556450ee10, start_sample=0, end_sample=0, nframes=512, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:736
#12 0x00007ffff6792f0e in ARDOUR::Route::no_roll_unlocked (this=0x55556450ee10, nframes=512, start_sample=0, end_sample=0, session_state_changing=true) at ../libs/ardour/route.cc:4076
#13 0x00007ffff65e531b in ARDOUR::MidiTrack::no_roll_unlocked (this=0x55556450ee10, nframes=512, start_sample=0, end_sample=0, state_changing=true) at ../libs/ardour/midi_track.cc:398
#14 0x00007ffff6792ded in ARDOUR::Route::no_roll (this=0x55556450ee10, nframes=512, start_sample=0, end_sample=0, session_state_changing=true) at ../libs/ardour/route.cc:4046
#15 0x00007ffff649ecf4 in ARDOUR::Graph::process_one_route (this=0x555559213a40, route=0x55556450ee10) at ../libs/ardour/graph.cc:546
#16 0x00007ffff677deac in ARDOUR::Route::process (this=0x55556450ee10) at ../libs/ardour/route.cc:707
#17 0x00007ffff64a9411 in ARDOUR::GraphNode::run (this=0x55556450f2e8, chain=0x7fffbac1ccb0) at ../libs/ardour/graphnode.cc:67
#18 0x00007ffff649d2de in ARDOUR::Graph::run_one (this=0x555559213a40) at ../libs/ardour/graph.cc:344
#19 0x00007ffff649d6c7 in ARDOUR::Graph::helper_thread (this=0x555559213a40) at ../libs/ardour/graph.cc:372
#20 0x00007ffff64a8999 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7ffff09fec58, p=0x555559213a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#21 0x00007ffff64a7d56 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7ffff09fec68, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#22 0x00007ffff64a6d8d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7ffff09fec58) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#23 0x00007ffff64a57dd 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
#24 0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x7ffff09fec50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#25 0x00007fffc1e80789 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x555558e8ca60) at ../libs/backends/jack/jack_audiobackend.cc:970
#26 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#27 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 36 (Thread 0x7ffff0cc5640 (LWP 7625) "RT-1-0x7ffff0cc"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38f08 in PBD::Semaphore::wait (this=0x555559213b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff649d127 in ARDOUR::Graph::run_one (this=0x555559213a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff649d6c7 in ARDOUR::Graph::helper_thread (this=0x555559213a40) at ../libs/ardour/graph.cc:372
#4  0x00007ffff64a8999 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7ffff0cc4c58, p=0x555559213a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff64a7d56 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7ffff0cc4c68, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff64a6d8d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7ffff0cc4c58) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff64a57dd 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x7ffff0cc4c50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1e80789 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x55555951cc50) at ../libs/backends/jack/jack_audiobackend.cc:970
#10 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 35 (Thread 0x7ffff0d46640 (LWP 7624) "RT-main-0x7ffff"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38f08 in PBD::Semaphore::wait (this=0x555559213b74) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff649d127 in ARDOUR::Graph::run_one (this=0x555559213a40) at ../libs/ardour/graph.cc:320
#3  0x00007ffff649db29 in ARDOUR::Graph::main_thread (this=0x555559213a40) at ../libs/ardour/graph.cc:425
#4  0x00007ffff64a8999 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7ffff0d45c58, p=0x555559213a40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff64a7d56 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7ffff0d45c68, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6  0x00007ffff64a6d8d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7ffff0d45c58) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7  0x00007ffff64a57dd 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x7ffff0d45c50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#9  0x00007fffc1e80789 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x55555912a6b0) at ../libs/backends/jack/jack_audiobackend.cc:970
#10 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 34 (Thread 0x7fffb3fff640 (LWP 7623) "pool"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa594 in g_cond_wait_until () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff12203eb in g_async_queue_timeout_pop () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff1287cd4 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#4  0x00007ffff12874a5 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#5  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 27 (Thread 0x7ffff117e640 (LWP 7614) "AudioEngine 1"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2b38f08 in PBD::Semaphore::wait (this=0x555559213b88) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff649e2d7 in ARDOUR::Graph::routes_no_roll (this=0x555559213a40, chain=std::shared_ptr<ARDOUR::GraphChain> (use count 3, weak count 0) = {...}, nframes=512, start_sample=0, end_sample=0, non_rt_pending=true) at ../libs/ardour/graph.cc:481
#3  0x00007ffff6899917 in ARDOUR::Session::no_roll (this=0x555559befa10, nframes=512) at ../libs/ardour/session_process.cc:224
#4  0x00007ffff689c06d in ARDOUR::Session::process_without_events (this=0x555559befa10, nframes=512) at ../libs/ardour/session_process.cc:701
#5  0x00007ffff689b3f3 in ARDOUR::Session::process_with_events (this=0x555559befa10, nframes=512) at ../libs/ardour/session_process.cc:531
#6  0x00007ffff6898faf in ARDOUR::Session::process (this=0x555559befa10, nframes=512) at ../libs/ardour/session_process.cc:120
#7  0x00007ffff62d3d9a in ARDOUR::AudioEngine::process_callback (this=0x55555756b5e0, nframes=512) at ../libs/ardour/audioengine.cc:357
#8  0x00007fffc1e8088b in ARDOUR::JACKAudioBackend::process_thread (this=0x555557c87800) at ../libs/backends/jack/jack_audiobackend.cc:1003
#9  0x00007fffc1e807d8 in ARDOUR::JACKAudioBackend::_process_thread (arg=0x555557c87800) at ../libs/backends/jack/jack_audiobackend.cc:978
#10 0x00007ffff42b6794 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007ffff42d3910 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#12 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#13 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 26 (Thread 0x7ffff11ff640 (LWP 7613) "ArdourGUI"):
#0  0x00007ffff66e9a0f in boost::_bi::list6<boost::_bi::value<ARDOUR::Port*>, boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4>, boost::arg<5> >::operator()<boost::_mfi::mf5<void, ARDOUR::Port, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>, boost::_bi::rrlist5<std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool> > (this=0x7fffba326088, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:602
#1  0x00007ffff66e8bcd in boost::_bi::bind_t<void, boost::_mfi::mf5<void, ARDOUR::Port, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>, boost::_bi::list6<boost::_bi::value<ARDOUR::Port*>, boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4>, boost::arg<5> > >::operator()<std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool> (this=0x7fffba326078, a1=..., a2=..., a3=..., a4=..., a5=@0x7ffff11fe4a4: false) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1354
#2  0x00007ffff66e7d12 in boost::detail::function::void_function_obj_invoker5<boost::_bi::bind_t<void, boost::_mfi::mf5<void, ARDOUR::Port, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>, boost::_bi::list6<boost::_bi::value<ARDOUR::Port*>, boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4>, boost::arg<5> > >, void, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>::invoke (function_obj_ptr=..., a0=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a1="", a2=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a3="", a4=false) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
#3  0x00005555560fcfbe in boost::function5<void, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>::operator() (this=0x7fffba326070, a0=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a1="", a2=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a3="", a4=false) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#4  0x00007ffff670f734 in PBD::Signal5<void, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::weak_ptr<ARDOUR::Port>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, PBD::OptionalLastValue<void> >::operator() (this=0x55555756b750, a1=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a2="system:capture_3", a3=std::weak_ptr<ARDOUR::Port> (empty) = {...}, a4="ardour:physical_audio_input_monitor_enable", a5=false) at libs/pbd/pbd/signals_generated.h:2330
#5  0x00007ffff6707118 in ARDOUR::PortManager::connect_callback (this=0x55555756b5e0, a="system:capture_3", b="ardour:physical_audio_input_monitor_enable", conn=false) at ../libs/ardour/port_manager.cc:1000
#6  0x00007fffc1e95b8e in ARDOUR::JACKAudioBackend::connect_callback (this=0x555557c87800, id_a=3, id_b=47, conn=0) at ../libs/backends/jack/jack_portengine.cc:323
#7  0x00007fffc1e95a23 in ARDOUR::JACKAudioBackend::_connect_callback (id_a=3, id_b=47, conn=0, arg=0x555557c87800) at ../libs/backends/jack/jack_portengine.cc:308
#8  0x00007ffff42b5f64 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#9  0x00007ffff42d991d in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#10 0x00007ffff42d3910 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#12 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 25 (Thread 0x7ffff1d7e640 (LWP 7612) "ArdourGUI"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55555814f678) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555814f678) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555814f678, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fffe763fac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555814f620, cond=0x55555814f650) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55555814f650, mutex=0x55555814f620) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff42d4422 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007ffff42c87bd in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007ffff42d3910 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 18 (Thread 0x7fffb37fe640 (LWP 7605) "gmain"):
#0  0x00007fffe76c4d7f in __GI___poll (fds=0x555557e409e0, nfds=2, timeout=5274) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff1256c76 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff1256d8c in g_main_context_iteration () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff1256dd1 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#4  0x00007ffff12874a5 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#5  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7fffc29ff640 (LWP 7597) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa47f in g_cond_wait () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff62d5499 in ARDOUR::AudioEngine::do_devicelist_update (this=0x55555756b5e0) at ../libs/ardour/audioengine.cc:760
#3  0x00007ffff62e3bef in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x555557568e90, p=0x55555756b5e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff62e312a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x555557568ea0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff62e2793 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x555557568e90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff62e191b 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x555557568e88) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x555557568e60) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7fffc4bff640 (LWP 7596) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa47f in g_cond_wait () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff62d521b in ARDOUR::AudioEngine::do_reset_backend (this=0x55555756b5e0) at ../libs/ardour/audioengine.cc:724
#3  0x00007ffff62e3bef in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x55555756dfe0, p=0x55555756b5e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff62e312a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x55555756dff0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#5  0x00007ffff62e2793 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x55555756dfe0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6  0x00007ffff62e191b 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x55555756dfd8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#8  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x55555756dfb0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7fffde0a0640 (LWP 7593) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa47f in g_cond_wait () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff62833fa in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95
#3  0x0000555556526bab in sigc::pointer_functor0<void>::operator() (this=0x5555575551e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00007ffff6286758 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x5555575551d8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#6  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x5555575551b0) at ../libs/pbd/pthread_utils.cc:488
#7  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7fffde8a1640 (LWP 7592) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa47f in g_cond_wait () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6943e29 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7848925 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x555557559898) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x555557559870) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7fffdf0a2640 (LWP 7591) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff12aa47f in g_cond_wait () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff6943e29 in peak_thread_work () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7848925 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  0x0000555555b7ea7e in boost::function0<void>::operator() (this=0x555557559e78) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#5  0x00007ffff2b32a43 in PBD::Thread::_run (arg=0x555557559e50) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7fffdf8a3640 (LWP 7590) "LXVSTEventLoop"):
#0  0x00007fffe7691868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffdf8a2b50, rem=0x7fffdf8a2b60) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe76966e7 in __GI___nanosleep (req=<optimized out>, rem=<optimized out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007ffff1288d48 in g_usleep () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#3  0x0000555556a1b63d in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:468
#4  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7ffff47ff640 (LWP 7589) "Trigger Worker"):
#0  0x00007fffe76c4d7f in __GI___poll (fds=0x7ffff47feb24, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2b0c4a0 in CrossThreadChannel::poll_for_request (this=0x5555574b0fd0) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff2b0c511 in CrossThreadChannel::receive (this=0x5555574b0fd0, msg=@0x7ffff47feb8f: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff69a4c79 in ARDOUR::TriggerBoxThread::thread_work (this=0x5555574b0fa0) at ../libs/ardour/triggerbox.cc:4880
#4  0x00007ffff69a4c0f in ARDOUR::TriggerBoxThread::_thread_work (arg=0x5555574b0fa0) at ../libs/ardour/triggerbox.cc:4868
#5  0x00007ffff2b31f97 in fake_thread_start (arg=0x5555574aee80) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007fffe7640b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007fffe76d2a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7ffff76a0900 (LWP 7586) "ArdourGUI"):
#0  __GI___libc_read (nbytes=4, buf=0x7fffffff8e88, fd=17) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=17, buf=0x7fffffff8e88, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007ffff42d4ba2 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007ffff42beb8a in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff42bfb85 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007ffff42b54de in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fffc1ea670a in WJACK_set_timebase_callback (c=0x555557737550, l=0, p=0x7fffc1e7fa30 <ARDOUR::JACKAudioBackend::_jack_timebase_callback(jack_transport_state_t, unsigned int, jack_position_t*, int, void*)>, a=0x555557c87800) at ../libs/backends/jack/weak_libjack.def:106
#7  0x00007fffc1e7f55a in ARDOUR::JACKAudioBackend::set_time_master (this=0x555557c87800, yn=true) at ../libs/backends/jack/jack_audiobackend.cc:678
#8  0x00007ffff62d5d80 in ARDOUR::AudioEngine::reset_timebase (this=0x55555756b5e0) at ../libs/ardour/audioengine.cc:852
#9  0x00007ffff67e2d7e in ARDOUR::Session::Session (this=0x555559befa10, eng=..., fullpath="/home/audio-pc/Documents/ardour/test 1", snapshot_name="test 1", bus_profile=0x0, mix_template="", unnamed=false, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../libs/ardour/session.cc:518
#10 0x0000555555c2bef7 in ARDOUR_UI::load_session_stage_two (this=0x555557b60c10, path="/home/audio-pc/Documents/ardour/test 1", snap_name="test 1", mix_template="") at ../gtk2_ardour/ardour_ui_session.cc:396
#11 0x0000555555c2bbd4 in ARDOUR_UI::load_session (this=0x555557b60c10, path="/home/audio-pc/Documents/ardour/test 1", snap_name="test 1", mix_template="") at ../gtk2_ardour/ardour_ui_session.cc:365
#12 0x0000555555c3e539 in ARDOUR_UI::load_session_from_startup_fsm (this=0x555557b60c10) at ../gtk2_ardour/ardour_ui_startup.cc:698
#13 0x0000555555c3d4a5 in ARDOUR_UI::sfsm_response (this=0x555557b60c10, r=StartupFSM::LoadSession) at ../gtk2_ardour/ardour_ui_startup.cc:551
#14 0x0000555555c41fce in sigc::bound_mem_functor1<void, ARDOUR_UI, StartupFSM::Result>::operator() (this=0x555557df5ae8, _A_a1=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2066
#15 0x0000555555c41b1f in sigc::adaptor_functor<sigc::bound_mem_functor1<void, ARDOUR_UI, StartupFSM::Result> >::operator()<StartupFSM::Result const&> (this=0x555557df5ae0, _A_arg1=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89
#16 0x0000555555c4136a in sigc::internal::slot_call<sigc::bound_mem_functor1<void, ARDOUR_UI, StartupFSM::Result>, void, StartupFSM::Result>::call_it (rep=0x555557df5ab0, a_#0=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:451
#17 0x000055555681069e in sigc::internal::signal_emit1<void, StartupFSM::Result, sigc::nil>::emit (impl=0x555557df5b40, _A_a1=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/signal.h:1041
#18 0x000055555680fd0f in sigc::signal1<void, StartupFSM::Result, sigc::nil>::emit (this=0x555557b5b1b8, _A_a1=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/signal.h:2951
#19 0x000055555680f4a5 in sigc::signal1<void, StartupFSM::Result, sigc::nil>::operator() (this=0x555557b5b1b8, _A_a1=@0x7fffffffb48c: StartupFSM::LoadSession) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/signal.h:2967
#20 0x000055555680aac1 in StartupFSM::dialog_response_handler (this=0x555557b5b070, response=-5, dialog_id=StartupFSM::PluginDialog) at ../gtk2_ardour/startup_fsm.cc:328
#21 0x0000555556811cd9 in sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>::operator() (this=0x555557e09420, _A_a1=@0x7fffffffb5ac: -5, _A_a2=@0x555557e09440: StartupFSM::PluginDialog) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2143
#22 0x0000555556811739 in sigc::adaptor_functor<sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID> >::operator()<int const&, StartupFSM::DialogID&> (this=0x555557e09418, _A_arg1=@0x7fffffffb5ac: -5, _A_arg2=@0x555557e09440: StartupFSM::PluginDialog) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:108
#23 0x00005555568111f6 in sigc::bind_functor<-1, sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>, StartupFSM::DialogID, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator()<int const&> (this=0x555557e09410, _A_arg1=@0x7fffffffb5ac: -5) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/bind.h:1136
#24 0x000055555681109b in sigc::internal::slot_call1<sigc::bind_functor<-1, sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>, StartupFSM::DialogID, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, void, int>::call_it (rep=0x555557e093e0, a_1=@0x7fffffffb5ac: -5) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:170
#25 0x00007fffed47a1b7 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgtkmm-2.4.so.1
#26 0x00007ffff160f6b5 in g_closure_invoke () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#27 0x00007ffff1622593 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#28 0x00007ffff162c364 in g_signal_emit_valist () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#29 0x00007ffff162c7e2 in g_signal_emit () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#30 0x00007ffff02e190c in gtk_dialog_response () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#31 0x000055555680c12d in StartupFSM::engine_running (this=0x555557b5b070) at ../gtk2_ardour/startup_fsm.cc:558
#32 0x000055555680bea9 in StartupFSM::start_audio_midi_setup (this=0x555557b5b070) at ../gtk2_ardour/startup_fsm.cc:532
#33 0x000055555680a909 in StartupFSM::dialog_response_handler (this=0x555557b5b070, response=-3, dialog_id=StartupFSM::NewSessionDialog) at ../gtk2_ardour/startup_fsm.cc:265
#34 0x0000555556811cd9 in sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>::operator() (this=0x5555577bc4c0, _A_a1=@0x7fffffffbffc: -3, _A_a2=@0x5555577bc4e0: StartupFSM::NewSessionDialog) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2143
#35 0x0000555556811739 in sigc::adaptor_functor<sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID> >::operator()<int const&, StartupFSM::DialogID&> (this=0x5555577bc4b8, _A_arg1=@0x7fffffffbffc: -3, _A_arg2=@0x5555577bc4e0: StartupFSM::NewSessionDialog) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:108
#36 0x00005555568111f6 in sigc::bind_functor<-1, sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>, StartupFSM::DialogID, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator()<int const&> (this=0x5555577bc4b0, _A_arg1=@0x7fffffffbffc: -3) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/bind.h:1136
#37 0x000055555681109b in sigc::internal::slot_call1<sigc::bind_functor<-1, sigc::bound_mem_functor2<void, StartupFSM, int, StartupFSM::DialogID>, StartupFSM::DialogID, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, void, int>::call_it (rep=0x5555577bc480, a_1=@0x7fffffffbffc: -3) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:170
#38 0x00007fffed47a1b7 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgtkmm-2.4.so.1
#39 0x00007ffff160f6b5 in g_closure_invoke () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#40 0x00007ffff1622593 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#41 0x00007ffff162c364 in g_signal_emit_valist () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#42 0x00007ffff162c7e2 in g_signal_emit () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#43 0x00007ffff02e190c in gtk_dialog_response () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#44 0x0000555556756546 in SessionDialog::open_button_pressed (this=0x555557e2dc00, ev=0x5555577a1310) at ../gtk2_ardour/session_dialog.cc:548
#45 0x0000555556760c6c in sigc::bound_mem_functor1<bool, SessionDialog, _GdkEventButton*>::operator() (this=0x55555784d8e8, _A_a1=@0x7fffffffc508: 0x5555577a1310) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:2066
#46 0x000055555675f33b in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, SessionDialog, _GdkEventButton*> >::operator()<_GdkEventButton* const&> (this=0x55555784d8e0, _A_arg1=@0x7fffffffc508: 0x5555577a1310) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89
#47 0x000055555675e066 in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, SessionDialog, _GdkEventButton*>, bool, _GdkEventButton*>::call_it (rep=0x55555784d8b0, a_1=@0x7fffffffc508: 0x5555577a1310) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:170
#48 0x00007fffed501f9d in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgtkmm-2.4.so.1
#49 0x00007ffff0385d8c in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#50 0x00007ffff160f6b5 in g_closure_invoke () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#51 0x00007ffff16224c2 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#52 0x00007ffff162bdc8 in g_signal_emit_valist () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#53 0x00007ffff162c7e2 in g_signal_emit () from /opt/Ardour-8.1.40-dbg/lib/libgobject-2.0.so.0
#54 0x00007ffff050a7ac in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#55 0x00007ffff038437d in gtk_propagate_event () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#56 0x00007ffff0384803 in gtk_main_do_event () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#57 0x00007fffefe6fbbc in ?? () from /opt/Ardour-8.1.40-dbg/lib/libgdk-x11-2.0.so.0
#58 0x00007ffff1256a87 in g_main_context_dispatch () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#59 0x00007ffff1256ce8 in ?? () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#60 0x00007ffff1257002 in g_main_loop_run () from /opt/Ardour-8.1.40-dbg/lib/libglib-2.0.so.0
#61 0x00007ffff03834c7 in gtk_main () from /opt/Ardour-8.1.40-dbg/lib/libgtk-x11-2.0.so.0
#62 0x00007ffff2f3d884 in Gtkmm2ext::UI::run (this=0x555557b60c10, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305
#63 0x0000555556201689 in main (argc=1, argv=0x7fffffffd168) at ../gtk2_ardour/main.cc:471
(gdb)