ardour-8.4.0: /usr/local/lib/lv2/atom.lv2/forge.h:187: lv2_atom_forge_pop: La declaración `frame == forge->stack' no se cumple.
[Nuevo Thread 0x7fff73fff640 (LWP 552751)]

Thread 82 "RT-main-0x7fffa" received signal SIGABRT, Aborted.
[Cambiando a Thread 0x7fffabf46640 (LWP 552694)]
__pthread_kill_implementation (no_tid=0, signo=6, threadid=140736078308928) at ./nptl/pthread_kill.c:44
44	./nptl/pthread_kill.c: No existe el archivo o el directorio.
(gdb) thread apply all bt

Thread 117 (Thread 0x7fff73fff640 (LWP 552751) "ArdourGUI"):
#0  clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:62
#1  0x0000000000000000 in  ()

Thread 116 (Thread 0x7fff9119f640 (LWP 552728) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7f16ba0 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7f16b03 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff7f17115 in ArdourWaveView::WaveViewThreads::_thread_proc() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7f17093 in ArdourWaveView::WaveViewThreads::thread_proc() () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff7f1b309 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke(boost::detail::function::function_buffer&) (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#7  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x55555905f8a8) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x55555905f880) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
--Type <RET> for more, q to quit, c to continue without paging--c

Thread 115 (Thread 0x7fff919a0640 (LWP 552727) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7f16ba0 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7f16b03 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff7f17115 in ArdourWaveView::WaveViewThreads::_thread_proc() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7f17093 in ArdourWaveView::WaveViewThreads::thread_proc() () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff7f1b309 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke(boost::detail::function::function_buffer&) (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#7  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555559064cc8) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555559064ca0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 114 (Thread 0x7fff9099e640 (LWP 552726) "WaveViewDrawing"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7f16ba0 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:323
#3  0x00007ffff7f16b03 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () at ../libs/waveview/wave_view_private.cc:312
#4  0x00007ffff7f17115 in ArdourWaveView::WaveViewThreads::_thread_proc() (this=0x555559752570) at ../libs/waveview/wave_view_private.cc:501
#5  0x00007ffff7f17093 in ArdourWaveView::WaveViewThreads::thread_proc() () at ../libs/waveview/wave_view_private.cc:415
#6  0x00007ffff7f1b309 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke(boost::detail::function::function_buffer&) (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#7  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x55555cbd3428) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x55555cbd3400) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 99 (Thread 0x7fffa8ff9640 (LWP 552711) "AutomationWatch"):
#0  0x00007ffff2fa97f8 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffa8ff8770, rem=0x7fffa8ff8760) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007ffff2fae677 in __GI___nanosleep (req=<optimized out>, rem=<optimized out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007ffff400ef77 in g_usleep () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff6cbf1d3 in ARDOUR::AutomationWatch::thread() (this=0x555559a7fe50) at ../libs/ardour/automation_watch.cc:207
#4  0x00007ffff6cc4de1 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator()(ARDOUR::AutomationWatch*) const (this=0x55555c21f150, p=0x555559a7fe50) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6cc49f5 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>&, boost::_bi::list0&, int) (this=0x55555c21f160, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#6  0x00007ffff6cc41b2 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator()() (this=0x55555c21f150) at /usr/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6cc3c83 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x55555c21f148) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x55555c21f120) at ../libs/pbd/pthread_utils.cc:488
#10 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 98 (Thread 0x7fffa97fa640 (LWP 552710) "autoconnect"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x555559b05ec4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559b05ec4) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x555559b05ec4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ffff2f57a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559b05e70, cond=0x555559b05e98) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x555559b05e98, mutex=0x555559b05e70) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff71ff2d2 in ARDOUR::Session::auto_connect_thread_run() (this=0x555559b03cc0) at ../libs/ardour/session.cc:7911
#6  0x00007ffff71fed6b in ARDOUR::Session::auto_connect_thread(void*) (arg=0x555559b03cc0) at ../libs/ardour/session.cc:7842
#7  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 97 (Thread 0x7fffceffd640 (LWP 552709) "SessionSignals"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x555559b05e54) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559b05e54) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x555559b05e54, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ffff2f57a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555559b05e00, cond=0x555559b05e28) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x555559b05e28, mutex=0x555559b05e00) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff7299b26 in ARDOUR::Session::emit_thread_run() (this=0x555559b03cc0) at ../libs/ardour/session_process.cc:1241
#6  0x00007ffff7299acb in ARDOUR::Session::emit_thread(void*) (arg=0x555559b03cc0) at ../libs/ardour/session_process.cc:1230
#7  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 96 (Thread 0x7fffab7fe640 (LWP 552708) "ArdourGUI"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x7fff8c0020c0, nfds=2, timeout=60000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff364606e in  () at /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007ffff3647cd8 in libusb_handle_events_timeout_completed () at /lib/x86_64-linux-gnu/libusb-1.0.so.0
#3  0x00007ffff3647d43 in libusb_handle_events () at /lib/x86_64-linux-gnu/libusb-1.0.so.0
#4  0x00007ffff6cefe62 in usb_hotplug_thread(void*) (user_data=0x5555576813b0) at ../libs/ardour/control_protocol_manager.cc:87
#5  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 95 (Thread 0x7fffcdb27640 (LWP 552707) "libusb_event"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x7fffcdb268e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff36424c2 in  () at /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#3  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 94 (Thread 0x7fffccb25640 (LWP 552706) "midiUI"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x7fffa0023690, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff403a1f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff3fe42b3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4e6d398 in BaseUI::main_thread() (this=0x55555c4c1d80) at ../libs/pbd/base_ui.cc:102
#4  0x00007ffff4e72823 in boost::_mfi::mf0<void, BaseUI>::operator()(BaseUI*) const (this=0x555558c701a0, p=0x55555c4c1d80) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff4e7246b in boost::_bi::list1<boost::_bi::value<BaseUI*> >::operator()<boost::_mfi::mf0<void, BaseUI>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, BaseUI>&, boost::_bi::list0&, int) (this=0x555558c701b0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#6  0x00007ffff4e72062 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, BaseUI>, boost::_bi::list1<boost::_bi::value<BaseUI*> > >::operator()() (this=0x555558c701a0) at /usr/include/boost/bind/bind.hpp:1294
#7  0x00007ffff4e71a23 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555558c70198) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555558c70170) at ../libs/pbd/pthread_utils.cc:488
#10 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 93 (Thread 0x7fffabd55640 (LWP 552705) "butler"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x7fffabd546d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4e87dfb in CrossThreadChannel::poll_for_request() (this=0x5555592146c8) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff4e87e83 in CrossThreadChannel::receive(char&, bool) (this=0x5555592146c8, msg=@0x7fffabd54760: -16 '\360', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff6cd70dd in ARDOUR::Butler::thread_work() (this=0x555559214620) at ../libs/ardour/butler.cc:188
#4  0x00007ffff6cd6e5c in ARDOUR::Butler::_thread_work(void*) (arg=0x555559214620) at ../libs/ardour/butler.cc:170
#5  0x00007ffff4eb1a39 in fake_thread_start(void*) (arg=0x5555592a3d60) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 84 (Thread 0x7fffabe44640 (LWP 552696) "RT-2-0x7fffabe4"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4eb9492 in PBD::Semaphore::wait() (this=0x555557da2e44) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6e35344 in ARDOUR::Graph::run_one() (this=0x555557da2d10) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6e358d7 in ARDOUR::Graph::helper_thread() (this=0x555557da2d10) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6e41a17 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffabe438d8, p=0x555557da2d10) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6e40ea1 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffabe438e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#6  0x00007ffff6e3ff06 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffabe438d8) at /usr/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6e3e5f6 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x7fffabe438d0) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffd413e061 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555558402960) at ../libs/backends/jack/jack_audiobackend.cc:970
#10 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 83 (Thread 0x7fffabec5640 (LWP 552695) "RT-1-0x7fffabec"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4eb9492 in PBD::Semaphore::wait() (this=0x555557da2e44) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6e35344 in ARDOUR::Graph::run_one() (this=0x555557da2d10) at ../libs/ardour/graph.cc:320
#3  0x00007ffff6e358d7 in ARDOUR::Graph::helper_thread() (this=0x555557da2d10) at ../libs/ardour/graph.cc:372
#4  0x00007ffff6e41a17 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffabec48d8, p=0x555557da2d10) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff6e40ea1 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffabec48e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#6  0x00007ffff6e3ff06 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffabec48d8) at /usr/include/boost/bind/bind.hpp:1294
#7  0x00007ffff6e3e5f6 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#8  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x7fffabec48d0) at /usr/include/boost/function/function_template.hpp:763
#9  0x00007fffd413e061 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555559291a50) at ../libs/backends/jack/jack_audiobackend.cc:970
#10 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 82 (Thread 0x7fffabf46640 (LWP 552694) "RT-main-0x7fffa"):
#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140736078308928) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=140736078308928) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=140736078308928, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007ffff2f06476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007ffff2eec7f3 in __GI_abort () at ./stdlib/abort.c:79
#5  0x00007ffff2eec71b in __assert_fail_base (fmt=0x7fffec0a08d6 "%s%s%s:%u: %s%sLa declaración `%s' no se cumple.\n%n", assertion=0x7fffcc0094f7 "frame == forge->stack", file=0x7fffcc009000 "/usr/local/lib/lv2/atom.lv2/forge.h", line=187, function=<optimized out>) at ./assert/assert.c:92
#6  0x00007ffff2efde96 in __GI___assert_fail (assertion=0x7fffcc0094f7 "frame == forge->stack", file=0x7fffcc009000 "/usr/local/lib/lv2/atom.lv2/forge.h", line=187, function=0x7fffcc009560 <__PRETTY_FUNCTION__.0> "lv2_atom_forge_pop") at ./assert/assert.c:101
#7  0x00007fffcc0035e5 in  () at /usr/local/lib/lv2/sapistaEQv2.lv2/eq10qm.so
#8  0x00007fffcc00836c in runEQ_v2 () at /usr/local/lib/lv2/sapistaEQv2.lv2/eq10qm.so
#9  0x00007ffff7403302 in lilv_instance_run(LilvInstance*, uint32_t) (instance=0x5555579851f0, sample_count=128) at /usr/local/include/lilv-0/lilv/lilv.h:1704
#10 0x00007ffff7417e8f in ARDOUR::LV2Plugin::run(unsigned int, bool) (this=0x55555b8a1bb0, nframes=128, sync_work=false) at ../libs/ardour/lv2_plugin.cc:3385
#11 0x00007ffff7415853 in ARDOUR::LV2Plugin::connect_and_run(ARDOUR::BufferSet&, long, long, double, ARDOUR::ChanMapping const&, ARDOUR::ChanMapping const&, unsigned int, long) (this=0x55555b8a1bb0, bufs=..., start=154350, end=154350, speed=0, in_map=..., out_map=..., nframes=128, offset=0) at ../libs/ardour/lv2_plugin.cc:3045
#12 0x00007ffff7059b27 in ARDOUR::PluginInsert::connect_and_run(ARDOUR::BufferSet&, long, long, double, unsigned int, long, bool) (this=0x55555b865710, bufs=..., start=154350, end=154350, speed=0, nframes=128, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:1114
#13 0x00007ffff705ba9e in ARDOUR::PluginInsert::run(ARDOUR::BufferSet&, long, long, double, unsigned int, bool) (this=0x55555b865710, bufs=..., start_sample=154350, end_sample=154350, speed=0, nframes=128) at ../libs/ardour/plugin_insert.cc:1376
#14 0x00007ffff715ac0e in ARDOUR::Route::process_output_buffers(ARDOUR::BufferSet&, long, long, unsigned int, bool, bool) (this=0x555559e2fbc0, bufs=..., start_sample=154350, end_sample=154350, nframes=128, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:570
#15 0x00007ffff715bdbb in ARDOUR::Route::run_route(long, long, unsigned int, bool, bool) (this=0x555559e2fbc0, start_sample=154350, end_sample=154350, nframes=128, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:761
#16 0x00007ffff7171f1d in ARDOUR::Route::no_roll_unlocked(unsigned int, long, long, bool) (this=0x555559e2fbc0, nframes=128, start_sample=154350, end_sample=154350, session_state_changing=false) at ../libs/ardour/route.cc:4119
#17 0x00007ffff7171dce in ARDOUR::Route::no_roll(unsigned int, long, long, bool) (this=0x555559e2fbc0, nframes=128, start_sample=154350, end_sample=154350, session_state_changing=false) at ../libs/ardour/route.cc:4089
#18 0x00007ffff6e3705e in ARDOUR::Graph::process_one_route(ARDOUR::Route*) (this=0x555557da2d10, route=0x555559e2fbc0) at ../libs/ardour/graph.cc:546
#19 0x00007ffff715bbdc in ARDOUR::Route::process() (this=0x555559e2fbc0) at ../libs/ardour/route.cc:732
#20 0x00007ffff6e42499 in ARDOUR::GraphNode::run(ARDOUR::GraphChain const*) (this=0x555559e300e0, chain=0x55555e461b50) at ../libs/ardour/graphnode.cc:67
#21 0x00007ffff6e354e5 in ARDOUR::Graph::run_one() (this=0x555557da2d10) at ../libs/ardour/graph.cc:344
#22 0x00007ffff6e35da7 in ARDOUR::Graph::main_thread() (this=0x555557da2d10) at ../libs/ardour/graph.cc:425
#23 0x00007ffff6e41a17 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const (this=0x7fffabf458d8, p=0x555557da2d10) at /usr/include/boost/bind/mem_fn_template.hpp:49
#24 0x00007ffff6e40ea1 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) (this=0x7fffabf458e8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#25 0x00007ffff6e3ff06 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() (this=0x7fffabf458d8) at /usr/include/boost/bind/bind.hpp:1294
#26 0x00007ffff6e3e5f6 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#27 0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x7fffabf458d0) at /usr/include/boost/function/function_template.hpp:763
#28 0x00007fffd413e061 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555590ba100) at ../libs/backends/jack/jack_audiobackend.cc:970
#29 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#30 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 61 (Thread 0x7fffcd326640 (LWP 552673) "pool-ardour-8.4"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff403404c in g_cond_wait_until () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff3fb43e1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff3fb4566 in g_async_queue_timeout_pop () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4016759 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff4013a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 46 (Thread 0x7fffcc28d640 (LWP 552657) "AudioEngine 1"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4eb9492 in PBD::Semaphore::wait() (this=0x555557da2e58) at ../libs/pbd/semutils.cc:120
#2  0x00007ffff6e365d3 in ARDOUR::Graph::routes_no_roll(std::shared_ptr<ARDOUR::GraphChain>, unsigned int, long, long, bool) (this=0x555557da2d10, chain=std::shared_ptr<ARDOUR::GraphChain> (use count 3, weak count 0) = {...}, nframes=128, start_sample=154350, end_sample=154350, non_rt_pending=false) at ../libs/ardour/graph.cc:481
#3  0x00007ffff7294be1 in ARDOUR::Session::no_roll(unsigned int) (this=0x555559b03cc0, nframes=128) at ../libs/ardour/session_process.cc:224
#4  0x00007ffff7296ab1 in ARDOUR::Session::process_with_events(unsigned int) (this=0x555559b03cc0, nframes=128) at ../libs/ardour/session_process.cc:560
#5  0x00007ffff72941dc in ARDOUR::Session::process(unsigned int) (this=0x555559b03cc0, nframes=128) at ../libs/ardour/session_process.cc:120
#6  0x00007ffff6c46045 in ARDOUR::AudioEngine::process_callback(unsigned int) (this=0x555557cbabe0, nframes=128) at ../libs/ardour/audioengine.cc:548
#7  0x00007fffd413e180 in ARDOUR::JACKAudioBackend::process_thread() (this=0x555557692f50) at ../libs/backends/jack/jack_audiobackend.cc:1003
#8  0x00007fffd413e0cc in ARDOUR::JACKAudioBackend::_process_thread(void*) (arg=0x555557692f50) at ../libs/backends/jack/jack_audiobackend.cc:978
#9  0x00007fffd406f0cb in Jack::JackClient::Execute() () at /usr/local/lib/libjack.so.0
#10 0x00007fffd40915be in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/local/lib/libjack.so.0
#11 0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#12 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 45 (Thread 0x7fffcddd6640 (LWP 552656) "ArdourGUI"):
#0  __GI___libc_read (nbytes=4, buf=0x7fffcddd5750, fd=12) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=12, buf=0x7fffcddd5750, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fffd40934b4 in Jack::JackClientSocket::Read(void*, int) () at /usr/local/lib/libjack.so.0
#3  0x00007fffd40980bf in Jack::JackClientNotification::Read(Jack::detail::JackChannelTransactionInterface*) () at /usr/local/lib/libjack.so.0
#4  0x00007fffd4097dc2 in Jack::JackSocketClientChannel::Execute() () at /usr/local/lib/libjack.so.0
#5  0x00007fffd40915be in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/local/lib/libjack.so.0
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 44 (Thread 0x7fffcde57640 (LWP 552655) "ArdourGUI"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5555581fc7b8) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555581fc7b8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5555581fc7b8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007ffff2f57a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555581fc760, cond=0x5555581fc790) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5555581fc790, mutex=0x5555581fc760) at ./nptl/pthread_cond_wait.c:627
#5  0x00007fffd4092374 in Jack::JackPosixProcessSync::Wait() () at /usr/local/lib/libjack.so.0
#6  0x00007fffd408b1ed in Jack::JackMessageBuffer::Execute() () at /usr/local/lib/libjack.so.0
#7  0x00007fffd40915be in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/local/lib/libjack.so.0
#8  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 34 (Thread 0x7fffce7c3640 (LWP 552645) "gdbus"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x5555579e6b30, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff403a1f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff3fe42b3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff27b107a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff4013a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 33 (Thread 0x7fffcf7fe640 (LWP 552644) "gmain"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x5555579daa20, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff403a1f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff3fe23e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff3fe2431 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4013a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7fffd5049640 (LWP 552621) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6c46df5 in ARDOUR::AudioEngine::do_devicelist_update() (this=0x555557cbabe0) at ../libs/ardour/audioengine.cc:760
#3  0x00007ffff6c56d8d in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator()(ARDOUR::AudioEngine*) const (this=0x555557cde200, p=0x555557cbabe0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6c56299 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AudioEngine>&, boost::_bi::list0&, int) (this=0x555557cde210, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#5  0x00007ffff6c5572a in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()() (this=0x555557cde200) at /usr/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6c54acf 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#7  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555557cde1f8) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555557cde1d0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7fffd655d640 (LWP 552620) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6c46af3 in ARDOUR::AudioEngine::do_reset_backend() (this=0x555557cbabe0) at ../libs/ardour/audioengine.cc:724
#3  0x00007ffff6c56d8d in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator()(ARDOUR::AudioEngine*) const (this=0x555557f48800, p=0x555557cbabe0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6c56299 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AudioEngine>&, boost::_bi::list0&, int) (this=0x555557f48810, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259
#5  0x00007ffff6c5572a in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()() (this=0x555557f48800) at /usr/include/boost/bind/bind.hpp:1294
#6  0x00007ffff6c54acf 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(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#7  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555557f487f8) at /usr/include/boost/function/function_template.hpp:763
#8  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555557f487d0) at ../libs/pbd/pthread_utils.cc:488
#9  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7fffec8b0640 (LWP 552617) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6bec89c in ARDOUR::Analyser::work() () at ../libs/ardour/analyser.cc:95
#3  0x00005555567957f3 in sigc::pointer_functor0<void>::operator()() const (this=0x555557641120) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00007ffff6bf01bc in boost::detail::function::void_function_obj_invoker0<sigc::pointer_functor0<void>, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:158
#5  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555557641118) at /usr/include/boost/function/function_template.hpp:763
#6  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x5555576410f0) at ../libs/pbd/pthread_utils.cc:488
#7  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7fffed0b1640 (LWP 552616) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff734c511 in peak_thread_work() () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7f1b309 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke(boost::detail::function::function_buffer&) (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#4  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x5555576441b8) at /usr/include/boost/function/function_template.hpp:763
#5  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555557644190) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7fffed8b2640 (LWP 552615) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4033b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff734c511 in peak_thread_work() () at ../libs/ardour/source_factory.cc:75
#3  0x00007ffff7f1b309 in boost::detail::function::void_function_invoker0<void (*)(), void>::invoke(boost::detail::function::function_buffer&) (function_ptr=...) at /usr/include/boost/function/function_template.hpp:117
#4  0x0000555555cf7a65 in boost::function0<void>::operator()() const (this=0x555557644a68) at /usr/include/boost/function/function_template.hpp:763
#5  0x00007ffff4eb2731 in PBD::Thread::_run(void*) (arg=0x555557644a40) at ../libs/pbd/pthread_utils.cc:488
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7fffee0b3640 (LWP 552614) "LXVSTEventLoop"):
#0  0x00007ffff2fa97f8 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffee0b27c0, rem=0x7fffee0b27b0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007ffff2fae677 in __GI___nanosleep (req=<optimized out>, rem=<optimized out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007ffff400ef77 in g_usleep () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000555556d081cc in gui_event_loop(void*) (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:374
#4  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7fffee244640 (LWP 552613) "Trigger Worker"):
#0  0x00007ffff2fdcbcf in __GI___poll (fds=0x7fffee243790, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4e87dfb in CrossThreadChannel::poll_for_request() (this=0x5555575fa320) at ../libs/pbd/crossthread.posix.cc:108
#2  0x00007ffff4e87e83 in CrossThreadChannel::receive(char&, bool) (this=0x5555575fa320, msg=@0x7fffee2437f7: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133
#3  0x00007ffff73c9a65 in ARDOUR::TriggerBoxThread::thread_work() (this=0x5555575fa2f0) at ../libs/ardour/triggerbox.cc:4880
#4  0x00007ffff73c99ca in ARDOUR::TriggerBoxThread::_thread_work(void*) (arg=0x5555575fa2f0) at ../libs/ardour/triggerbox.cc:4868
#5  0x00007ffff4eb1a39 in fake_thread_start(void*) (arg=0x5555575f83d0) at ../libs/pbd/pthread_utils.cc:101
#6  0x00007ffff2f58ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007ffff2fea850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7fffeeba2c80 (LWP 552610) "ArdourGUI"):
#0  clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:62
#1  0x00007ffff2fea8a1 in __GI___clone_internal (cl_args=cl_args@entry=0x7fffffffbce0, func=func@entry=0x7ffff2f587d0 <start_thread>, arg=arg@entry=0x7fff73fff640) at ../sysdeps/unix/sysv/linux/clone-internal.c:54
#2  0x00007ffff2f586d9 in create_thread (pd=pd@entry=0x7fff73fff640, attr=attr@entry=0x7fffffffbf30, stopped_start=stopped_start@entry=0x7fffffffbdfe, stackaddr=stackaddr@entry=0x7fff737ff000, stacksize=8387008, thread_ran=thread_ran@entry=0x7fffffffbdff) at ./nptl/pthread_create.c:295
#3  0x00007ffff2f59200 in __pthread_create_2_1 (newthread=<optimized out>, attr=<optimized out>, start_routine=<optimized out>, arg=<optimized out>) at ./nptl/pthread_create.c:828
#4  0x00007ffff4039505 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff4014ccd in g_thread_new () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff37c557f in  () at /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0
#7  0x00007ffff3e43241 in  () at /lib/x86_64-linux-gnu/libpango-1.0.so.0
#8  0x00007ffff3e563df in  () at /lib/x86_64-linux-gnu/libpango-1.0.so.0
#9  0x00007ffff3e58871 in  () at /lib/x86_64-linux-gnu/libpango-1.0.so.0
#10 0x00007ffff3e5c3d0 in pango_renderer_draw_layout () at /lib/x86_64-linux-gnu/libpango-1.0.so.0
#11 0x00007ffff3e96bf2 in pango_cairo_show_layout () at /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0
#12 0x00007fffab970292 in KnobWidget2::on_expose_event(_GdkEventExpose*) () at /usr/local/lib/lv2/sapistaEQv2.lv2/gui/eq10q_gui.so
#13 0x00007ffff4c39d27 in Gtk::Widget_Class::expose_event_callback(_GtkWidget*, _GdkEventExpose*) (self=0x55555e47cd00, p0=0x7fffffffd430) at ../libs/tk/ytkmm/widget.cc:4479
#14 0x00007ffff45109ee in _gtk_marshal_BOOLEAN__BOXED (closure=0x555557da19e0, return_value=0x7fffffffcfd0, n_param_values=2, param_values=0x7fffffffd030, invocation_hint=0x7fffffffcfb0, marshal_data=0x7ffff4c39c82 <Gtk::Widget_Class::expose_event_callback(_GtkWidget*, _GdkEventExpose*)>) at ../libs/tk/ytk/gtkmarshalers.c:84
#15 0x00007ffff3dd8d2f in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007ffff3df4624 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#17 0x00007ffff3df6026 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007ffff3df6863 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007ffff46a5331 in gtk_widget_event_internal (widget=0x55555e47cd00, event=0x7fffffffd430) at ../libs/tk/ytk/gtkwidget.c:5010
#20 0x00007ffff46a4f6a in IA__gtk_widget_send_expose (widget=0x55555e47cd00, event=0x7fffffffd430) at ../libs/tk/ytk/gtkwidget.c:4839
#21 0x00007ffff450d31f in IA__gtk_main_do_event (event=0x7fffffffd430) at ../libs/tk/ytk/gtkmain.c:1623
#22 0x00007ffff42f8fde in _gdk_window_process_updates_recurse (window=0x55555edfdb40, expose_region=0x55555792ef20) at ../libs/tk/ydk/gdkwindow.c:5490
#23 0x00007ffff42f8eb3 in _gdk_window_process_updates_recurse (window=0x55555edf9900, expose_region=0x555559088350) at ../libs/tk/ydk/gdkwindow.c:5454
#24 0x00007ffff42f8eb3 in _gdk_window_process_updates_recurse (window=0x555559ae77e0, expose_region=0x5555579244d0) at ../libs/tk/ydk/gdkwindow.c:5454
#25 0x00007ffff4341c27 in _gdk_windowing_window_process_updates_recurse (window=0x555559ae77e0, region=0x5555579244d0) at ../libs/tk/ydk/x11/gdkwindow-x11.c:5643
#26 0x00007ffff42f9301 in gdk_window_process_updates_internal (window=0x555559ae77e0) at ../libs/tk/ydk/gdkwindow.c:5657
#27 0x00007ffff42f9540 in IA__gdk_window_process_all_updates () at ../libs/tk/ydk/gdkwindow.c:5763
#28 0x00007ffff445a1cd in gtk_container_idle_sizer (data=0x0) at ../libs/tk/ytk/gtkcontainer.c:1360
#29 0x00007ffff42c52be in gdk_threads_dispatch (data=0x555559095e80) at ../libs/tk/ydk/gdk.c:534
#30 0x00007ffff3fe4c44 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff403a258 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007ffff3fe42b3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007ffff450ca2b in IA__gtk_main () at ../libs/tk/ytk/gtkmain.c:1270
#34 0x00007ffff4ba0243 in Gtk::Main::run_impl() (this=0x555557d04900) at ../libs/tk/ytkmm/main.cc:537
#35 0x00007ffff4b9fff3 in Gtk::Main::run() () at ../libs/tk/ytkmm/main.cc:480
#36 0x00007ffff507ec40 in Gtkmm2ext::UI::run(Receiver&) (this=0x555557d1eb70, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305
#37 0x00005555564242b6 in main(int, char**) (argc=1, argv=0x7fffffffdc08) at ../gtk2_ardour/main.cc:471