(gdb) thread apply all bt Thread 38 (Thread 0x7fffc754d700 (LWP 18573)): #0 0x00007ffff04bfc1d in nanosleep () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff4782a58 in g_usleep () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff6db4eb8 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffc754d700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 37 (Thread 0x7fffc654b700 (LWP 18572)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff71997dc in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #2 0x00007ffff7199919 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff04b66ba in start_thread (arg=0x7fffc654b700) at pthread_create.c:333 #4 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 36 (Thread 0x7fffc6d4c700 (LWP 18571)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff720be03 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #2 0x00007ffff720be29 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff04b66ba in start_thread (arg=0x7fffc6d4c700) at pthread_create.c:333 #4 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 35 (Thread 0x7fffc4d48700 (LWP 18570)): #0 0x00007fffed1a274d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff47516b4 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff4751a32 in g_main_loop_run () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #3 0x00007ffff58ae204 in BaseUI::main_thread() () from /opt/Ardour-5.12.0/lib/libpbd.so.4 #4 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #5 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #6 0x00007ffff04b66ba in start_thread (arg=0x7fffc4d48700) at pthread_create.c:333 #7 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 34 (Thread 0x7fffc5bac800 (LWP 18569)): #0 0x00007fffed1a274d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff58bd712 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-5.12.0/lib/libpbd.so.4 #2 0x00007ffff58bd766 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-5.12.0/lib/libpbd.so.4 #3 0x00007ffff6dc376a in ARDOUR::Butler::thread_work() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #4 0x00007ffff6dc3cc2 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-5.12.0/lib/libardour.so.3 #5 0x00007ffff58e1776 in ?? () from /opt/Ardour-5.12.0/lib/libpbd.so.4 #6 0x00007ffff04b66ba in start_thread (arg=0x7fffc5bac800) at pthread_create.c:333 #7 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 33 (Thread 0x7fffc5c2e700 (LWP 18568)): #0 0x00007ffff04be827 in futex_abstimed_wait_cancelable ( private=0, abstime=0x0, expected=0, futex_word=0x38ae6f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x38ae6f8, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007ffff04be8d4 in __new_sem_wait_slow (sem=0x38ae6f8, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff04be97a in __new_sem_wait (sem=) at sem_wait.c:29 #4 0x00007ffff6e7ecb1 in ARDOUR::Graph::run_one() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #5 0x00007ffff6e7ed58 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #6 0x00007fffe43767cf in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-5.12.0/lib/backends/libjack_audiobackend.so #7 0x00007ffff04b66ba in start_thread (arg=0x7fffc5c2e700) at pthread_create.c:333 #8 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 32 (Thread 0x7fffc5caf700 (LWP 18567)): #0 0x00007ffff04be827 in futex_abstimed_wait_cancelable ( private=0, abstime=0x0, expected=0, futex_word=0x38ae6f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x38ae6f8, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007ffff04be8d4 in __new_sem_wait_slow (sem=0x38ae6f8, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff04be97a in __new_sem_wait (sem=) at sem_wait.c:29 #4 0x00007ffff6e7ecb1 in ARDOUR::Graph::run_one() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #5 0x00007ffff6e7ed58 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #6 0x00007fffe43767cf in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-5.12.0/lib/backends/libjack_audiobackend.so #7 0x00007ffff04b66ba in start_thread (arg=0x7fffc5caf700) at pthread_create.c:333 #8 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 31 (Thread 0x7fffcc082700 (LWP 18566)): #0 0x00007ffff04be827 in futex_abstimed_wait_cancelable ( private=0, abstime=0x0, expected=0, futex_word=0x38ae718) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x38ae718, abstime=0x0) at sem_waitcommon.c:111 #2 0x00007ffff04be8d4 in __new_sem_wait_slow (sem=0x38ae718, abstime=0x0) at sem_waitcommon.c:181 #3 0x00007ffff04be97a in __new_sem_wait (sem=) at sem_wait.c:29 #4 0x00007ffff6e7ffc5 in ARDOUR::Graph::restart_cycle() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #5 0x00007ffff6e7eced in ARDOUR::Graph::run_one() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #6 0x00007ffff6e80091 in ARDOUR::Graph::main_thread() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #7 0x00007fffe43767cf in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-5.12.0/lib/backends/libjack_audiobackend.so #8 0x00007ffff04b66ba in start_thread (arg=0x7fffcc082700) at pthread_create.c:333 #9 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 28 (Thread 0x7fffc5549700 (LWP 18563)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a3121 in g_cond_wait_until () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff471d24b in g_async_queue_timeout_pop () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #3 0x00007ffff47819fa in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffc5549700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 22 (Thread 0x7fffcc103700 (LWP 18555)): #0 0x00007ffff04bea15 in futex_abstimed_wait_cancelable ( private=128, abstime=0x7fffcc102ca0, expected=0, futex_word=0x7fffe4030000) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 do_futex_wait (sem=sem@entry=0x7fffe4030000, abstime=abstime@entry=0x7fffcc102ca0) at sem_waitcommon.c:111 #2 0x00007ffff04beadf in __new_sem_wait_slow ( sem=0x7fffe4030000, abstime=0x7fffcc102ca0) at sem_waitcommon.c:181 #3 0x00007ffff04beb92 in sem_timedwait (sem=, abstime=) at sem_timedwait.c:36 #4 0x00007fffcf2e11ce in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007fffcf2c9b0d in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007fffcf2c80b7 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #7 0x00007fffe4376412 in ARDOUR::JACKAudioBackend::process_thread() () from /opt/Ardour-5.12.0/lib/backends/libjack_audiobackend.so #8 0x00007fffcf2c801a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #9 0x00007fffcf2e0680 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #10 0x00007ffff04b66ba in start_thread (arg=0x7fffcc103700) at pthread_create.c:333 #11 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 21 (Thread 0x7fffcc184700 (LWP 18553)): #0 0x00007ffff04bf51d in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fffcf2e2065 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007fffcf2e4d9b in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffcf2e0680 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007ffff04b66ba in start_thread (arg=0x7fffcc184700) at pthread_create.c:333 #5 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 20 (Thread 0x7fffcd4d4700 (LWP 18552)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffcf2e16ac in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007fffcf2d8a48 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffcf2e0680 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007ffff04b66ba in start_thread (arg=0x7fffcd4d4700) at pthread_create.c:333 #5 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fffce45d700 (LWP 18535)): #0 0x00007fffed1a274d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff47516b4 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff47517bc in g_main_context_iteration () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #3 0x00007ffff47517f9 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffce45d700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7fffcffff700 (LWP 18532)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a300c in g_cond_wait () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff6d6e1e4 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffcffff700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fffe4dd0700 (LWP 18531)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a300c in g_cond_wait () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff6d6f186 in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffe4dd0700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fffe7280700 (LWP 18530)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a300c in g_cond_wait () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff6d1d61b in ARDOUR::Analyser::work() () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffe7280700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fffe7a81700 (LWP 18529)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a300c in g_cond_wait () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff727d9cb in ?? () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffe7a81700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fffe8282700 (LWP 18528)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff47a300c in g_cond_wait () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x00007ffff727d9cb in ?? () from /opt/Ardour-5.12.0/lib/libardour.so.3 #3 0x00007ffff4ceae7d in ?? () from /opt/Ardour-5.12.0/lib/libglibmm-2.4.so.1 #4 0x00007ffff4781235 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #5 0x00007ffff04b66ba in start_thread (arg=0x7fffe8282700) at pthread_create.c:333 #6 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fffe8a83700 (LWP 18527)): #0 0x00007ffff04bfc1d in nanosleep () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff4782a58 in g_usleep () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #2 0x0000000000d08e1e in ?? () #3 0x00007ffff04b66ba in start_thread (arg=0x7fffe8a83700) at pthread_create.c:333 #4 0x00007fffed1ae41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7ffff7fa58c0 (LWP 18523)): #0 0x00000000006c4199 in ?? () #1 0x00000000006b3d60 in ?? () #2 0x00007ffff60dd2cf in ArdourCanvas::GtkCanvas::deliver_event(_GdkEvent*) () from /opt/Ardour-5.12.0/lib/libcanvas.so.0 #3 0x00007ffff60dd5f5 in ArdourCanvas::GtkCanvas::on_button_rel(_GdkEvent*) () from /opt/Ardour-5.12.0/lib/libcanvas.so.0 #3 0x00007ffff60dd5f5 in ArdourCanvas::GtkCanvas::on_button_rel---Type to continue, or q to quit--- ease_event(_GdkEventButton*) () from /opt/Ardour-5.12.0/lib/libcanvas.so.0 #4 0x00007ffff1d6c6c8 in Gtk::Widget_Class::button_release_event_callback(_GtkWidget*, _GdkEventButton*) () from /opt/Ardour-5.12.0/lib/libgtkmm-2.4.so.1 #5 0x00007ffff3d49e2c in ?? () from /opt/Ardour-5.12.0/lib/libgtk-x11-2.0.so.0 #6 0x00007ffff4a5f935 in g_closure_invoke () from /opt/Ardour-5.12.0/lib/libgobject-2.0.so.0 #7 0x00007ffff4a7141f in ?? () from /opt/Ardour-5.12.0/lib/libgobject-2.0.so.0 #8 0x00007ffff4a7a5a3 in g_signal_emit_valist () from /opt/Ardour-5.12.0/lib/libgobject-2.0.so.0 #9 0x00007ffff4a7ae32 in g_signal_emit () from /opt/Ardour-5.12.0/lib/libgobject-2.0.so.0 #10 0x00007ffff3ece94c in ?? () from /opt/Ardour-5.12.0/lib/libgtk-x11-2.0.so.0 #11 0x00007ffff3d48404 in gtk_propagate_event () from /opt/Ardour-5.12.0/lib/libgtk-x11-2.0.so.0 #12 0x00007ffff3d48873 in gtk_main_do_event () from /opt/Ardour-5.12.0/lib/libgtk-x11-2.0.so.0 #13 0x00007ffff396569c in ?? () from /opt/Ardour-5.12.0/lib/libgdk-x11-2.0.so.0 #14 0x00007ffff47514b7 in g_main_context_dispatch () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #15 0x00007ffff4751718 in ?? () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #16 0x00007ffff4751a32 in g_main_loop_run () from /opt/Ardour-5.12.0/lib/libglib-2.0.so.0 #17 0x00007ffff3d47557 in gtk_main () from /opt/Ardour-5.12.0/lib/libgtk-x11-2.0.so.0 #18 0x00007ffff5b74926 in Gtkmm2ext::UI::run(Receiver&) () from /opt/Ardour-5.12.0/lib/libgtkmm2ext.so.0 #19 0x00000000004a46fb in ?? () #20 0x00007fffed0c7830 in __libc_start_main (main=0x4a4270, argc=1, argv=0x7fffffffd278, init=, fini=, rtld_fini=, stack_end=0x7fffffffd268) at ../csu/libc-start.c:291 #21 0x00000000004a9ef9 in ?? ()