Thread 130 "UI:Open Sound C" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff9bfff6c0 (LWP 52634)]
0x00007fffe2e27ab0 in OSCSelectObserver::set_plugin_size(unsigned int) () from /usr/lib64/ardour8/surfaces/libardour_osc.so
Missing separate debuginfos, use: zypper install ladspa-trigger-debuginfo-20080510-1699.1.pm.4.x86_64
Missing separate debuginfos, use: zypper install ladspa-vocoder-debuginfo-0.4-2.3.x86_64
Missing separate debuginfos, use: zypper install ladspa-invada-studio-plugins-debuginfo-0.3.1-1699.1.pm.4.x86_64
Missing separate debuginfos, use: zypper install ladspa-cmt-debuginfo-1.18-1.11.x86_64
Missing separate debuginfos, use: zypper install ladspa-wubflip-debuginfo-1-1699.1.pm.12.x86_64
(gdb) thread apply all bt

Thread 130 (Thread 0x7fff9bfff6c0 (LWP 52634) "UI:Open Sound C"):
#0  0x00007fffe2e27ab0 in OSCSelectObserver::set_plugin_size(unsigned int) () at /usr/lib64/ardour8/surfaces/libardour_osc.so
#1  0x00007fffe2dd88dc in ArdourSurface::OSC::sel_plug_pagesize(unsigned int, lo_message_*) () at /usr/lib64/ardour8/surfaces/libardour_osc.so
#2  0x00007fffe2de9682 in ArdourSurface::OSC::surface_parse(char const*, char const*, lo_arg**, int, lo_message_*) () at /usr/lib64/ardour8/surfaces/libardour_osc.so
#3  0x00007fffe2dec511 in ArdourSurface::OSC::catchall(char const*, char const*, lo_arg**, int, lo_message_*) () at /usr/lib64/ardour8/surfaces/libardour_osc.so
#4  0x00007ffff615dd9c in dispatch_method (s=s@entry=0x555557acbdb0, path=path@entry=0x7fff78002db0 "/set_surface/plugin_page_size", msg=msg@entry=0x7fff780011d0, sock=sock@entry=-1) at /usr/src/debug/liblo-0.32/src/server.c:1993
#5  0x00007ffff615e5c0 in dispatch_data (s=s@entry=0x555557acbdb0, data=data@entry=0x7fff78002db0, size=40, sock=sock@entry=-1) at /usr/src/debug/liblo-0.32/src/server.c:1916
#6  0x00007ffff615ea65 in lo_server_recv (s=0x555557acbdb0) at /usr/src/debug/liblo-0.32/src/server.c:1740
#7  0x00007fffe2dbf7f8 in ArdourSurface::OSC::osc_input_handler(Glib::IOCondition, lo_server_*) () at /usr/lib64/ardour8/surfaces/libardour_osc.so
#8  0x00007ffff6654d0c in sigc::slot1<bool, Glib::IOCondition>::operator() (this=<optimized out>, _A_a1=@0x7fff9bffea14: Glib::IO_IN) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:675
#9  Glib::IOSource::dispatch (this=<optimized out>, slot=<optimized out>) at ../glib/glibmm/main.cc:1377
#10 0x00007ffff6655cc7 in Glib::Source::dispatch_vfunc (callback=<optimized out>, user_data=<optimized out>) at ../glib/glibmm/main.cc:131
#11 0x00007ffff671af38 in g_main_dispatch (context=0x55555d62d2d0) at ../glib/gmain.c:3357
#12 g_main_context_dispatch_unlocked (context=context@entry=0x55555d62d2d0) at ../glib/gmain.c:4208
#13 0x00007ffff671cd28 in g_main_context_iterate_unlocked (context=0x55555d62d2d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4273
#14 0x00007ffff671d74f in g_main_loop_run (loop=0x55555722ec00) at ../glib/gmain.c:4475
#15 0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#16 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#17 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 129 (Thread 0x7fffa3fff6c0 (LWP 52633) "ExecStdOut"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007ffff69554c2 in PBD::SystemExec::output_interposer() () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff69555d9 in interposer_thread(void*) () at /usr/lib64/ardour8/libpbd.so.4
#6  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 128 (Thread 0x7ffe67fff6c0 (LWP 52622) "AutomationWatch"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=a1@entry=0, a2=a2@entry=0, a3=a3@entry=140730643245808, a4=a4@entry=140730643245824, a5=a5@entry=0, a6=a6@entry=0, nr=230) at cancellation.c:49
#2  0x00007ffff4ee5e7e in __GI___clock_nanosleep (clock_id=<optimized out>, clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7ffe67ffeaf0, rem=rem@entry=0x7ffe67ffeb00) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#3  0x00007ffff4ef1e07 in __GI___nanosleep (req=req@entry=0x7ffe67ffeaf0, rem=rem@entry=0x7ffe67ffeb00) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#4  0x00007ffff674dc2f in g_usleep (microseconds=<optimized out>) at ../glib/gtimer.c:275
#5  0x00007ffff71ee665 in ARDOUR::AutomationWatch::thread() () at /usr/lib64/ardour8/libardour.so.3
#6  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 127 (Thread 0x7ffe9cdfa6c0 (LWP 52621) "AutoConnect"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff4e95fec in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555dda4e50, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55555dda4e50, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#4  0x00007ffff4e9606f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555dda4e50, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#5  0x00007ffff4e98a78 in __pthread_cond_wait_common (cond=0x55555dda4e30, mutex=0x55555dda4e08, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555dda4e30, mutex=0x55555dda4e08) at pthread_cond_wait.c:458
#7  0x00007ffff7623ba4 in ARDOUR::Session::auto_connect_thread_run() () at /usr/lib64/ardour8/libardour.so.3
#8  0x00007ffff7623c29 in ARDOUR::Session::auto_connect_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#9  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 126 (Thread 0x7ffe9d5fb6c0 (LWP 52620) "SessionSignals"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff4e95fec in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555dda4de0, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55555dda4de0, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#4  0x00007ffff4e9606f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555dda4de0, expected=<optimized out>, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#5  0x00007ffff4e98a78 in __pthread_cond_wait_common (cond=0x55555dda4dc0, mutex=0x55555dda4d98, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555dda4dc0, mutex=0x55555dda4d98) at pthread_cond_wait.c:458
#7  0x00007ffff769bdc3 in ARDOUR::Session::emit_thread_run() () at /usr/lib64/ardour8/libardour.so.3
#8  0x00007ffff769bde9 in ARDOUR::Session::emit_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#9  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

--Type <RET> for more, q to quit, c to continue without paging--c
Thread 125 (Thread 0x7ffe9ddfc6c0 (LWP 52619) "Ctrl USB Hotplu"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=a1@entry=93825161639888, a2=a2@entry=2, a3=a3@entry=60000, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=a1@entry=93825161639888, a2=a2@entry=2, a3=a3@entry=60000, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=fds@entry=0x55555f6e37d0, nfds=nfds@entry=2, timeout=timeout@entry=60000) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007ffff5a8eda4 in poll (__fds=0x55555f6e37d0, __nfds=2, __timeout=60000) at /usr/include/bits/poll2.h:44
#5  usbi_wait_for_events (ctx=0x555556bc6880, reported_events=0x7ffe9ddfba60, timeout_ms=60000) at os/events_posix.c:266
#6  handle_events (ctx=ctx@entry=0x555556bc6880, tv=tv@entry=0x7ffe9ddfbad0) at /usr/src/debug/libusb-1.0.27/libusb/io.c:2253
#7  0x00007ffff5a90de0 in libusb_handle_events_timeout_completed (ctx=0x555556bc6880, tv=tv@entry=0x7ffe9ddfbb20, completed=completed@entry=0x0) at /usr/src/debug/libusb-1.0.27/libusb/io.c:2370
#8  0x00007ffff5a90e3a in libusb_handle_events (ctx=<optimized out>) at /usr/src/debug/libusb-1.0.27/libusb/io.c:2445
#9  0x00007ffff720a279 in usb_hotplug_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#10 0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#11 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#12 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 124 (Thread 0x7ffe9e5fd6c0 (LWP 52618) "libusb_event"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=a1@entry=140731555498848, a2=a2@entry=2, a3=a3@entry=-1, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=a1@entry=140731555498848, a2=a2@entry=2, a3=a3@entry=-1, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=fds@entry=0x7ffe9e5fcb60, nfds=nfds@entry=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007ffff5a922ef in poll (__fds=0x7ffe9e5fcb60, __nfds=2, __timeout=-1) at /usr/include/bits/poll2.h:44
#5  linux_udev_event_thread_main (arg=<optimized out>) at os/linux_udev.c:183
#6  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#7  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 123 (Thread 0x7ffe9edfe6c0 (LWP 52617) "midiUI"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff4f0fd82 in __GI_ppoll (fds=fds@entry=0x7ffe700419e0, nfds=nfds@entry=4, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff671ce1f in ppoll (__fds=0x7ffe700419e0, __nfds=4, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x55555dd9b210, timeout_usec=<optimized out>, fds=0x7ffe700419e0, n_fds=4) at ../glib/gmain.c:4591
#6  g_main_context_iterate_unlocked (context=0x55555dd9b210, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4268
#7  0x00007ffff671d74f in g_main_loop_run (loop=0x55555c5740c0) at ../glib/gmain.c:4475
#8  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#9  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#10 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 122 (Thread 0x7fffc22dba80 (LWP 52616) "butler"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007ffff69190ad in CrossThreadChannel::poll_for_request() () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff6919105 in CrossThreadChannel::receive(char&, bool) () at /usr/lib64/ardour8/libpbd.so.4
#6  0x00007ffff71fae6d in ARDOUR::Butler::thread_work() () at /usr/lib64/ardour8/libardour.so.3
#7  0x00007ffff71fc011 in ARDOUR::Butler::_thread_work(void*) () at /usr/lib64/ardour8/libardour.so.3
#8  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#9  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#10 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 121 (Thread 0x7ffe9ffff6c0 (LWP 52615) "IO-25-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 120 (Thread 0x7ffea4ff96c0 (LWP 52614) "IO-24-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 119 (Thread 0x7ffea57fa6c0 (LWP 52613) "IO-23-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 118 (Thread 0x7ffea5ffb6c0 (LWP 52612) "IO-22-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 117 (Thread 0x7ffea67fc6c0 (LWP 52611) "IO-21-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 116 (Thread 0x7ffea6ffd6c0 (LWP 52610) "IO-20-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 115 (Thread 0x7ffea77fe6c0 (LWP 52609) "IO-19-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 114 (Thread 0x7ffe9f5ff6c0 (LWP 52608) "IO-18-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 113 (Thread 0x7ffea7fff6c0 (LWP 52607) "IO-17-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 112 (Thread 0x7ffec8ff96c0 (LWP 52606) "IO-16-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 111 (Thread 0x7ffec97fa6c0 (LWP 52605) "IO-15-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 110 (Thread 0x7ffec9ffb6c0 (LWP 52604) "IO-14-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 109 (Thread 0x7ffeca7fc6c0 (LWP 52603) "IO-13-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 108 (Thread 0x7ffecaffd6c0 (LWP 52602) "IO-12-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 107 (Thread 0x7ffecb7fe6c0 (LWP 52601) "IO-11-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 106 (Thread 0x7ffecbfff6c0 (LWP 52600) "IO-10-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 105 (Thread 0x7ffeecff96c0 (LWP 52599) "IO-9-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 104 (Thread 0x7ffeed7fa6c0 (LWP 52598) "IO-8-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 103 (Thread 0x7ffeedffb6c0 (LWP 52597) "IO-7-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 102 (Thread 0x7ffeee7fc6c0 (LWP 52596) "IO-6-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 101 (Thread 0x7ffeeeffd6c0 (LWP 52595) "IO-5-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 100 (Thread 0x7ffeef7fe6c0 (LWP 52594) "IO-4-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 99 (Thread 0x7ffeeffff6c0 (LWP 52593) "IO-3-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 98 (Thread 0x7fff1cff96c0 (LWP 52592) "IO-2-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 97 (Thread 0x7fff1d7fa6c0 (LWP 52591) "IO-1-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 96 (Thread 0x7fff1dffb6c0 (LWP 52590) "IO-0-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff735d6eb in ARDOUR::IOTaskList::io_thread() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff735dd81 in ARDOUR::IOTaskList::_worker_thread(void*) () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#5  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 95 (Thread 0x7fff1e7fc6c0 (LWP 52589) "RT-26-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 94 (Thread 0x7fff1effd6c0 (LWP 52588) "RT-25-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 93 (Thread 0x7fff1f7fe6c0 (LWP 52587) "RT-24-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 92 (Thread 0x7fff24ff96c0 (LWP 52586) "RT-23-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 91 (Thread 0x7fff257fa6c0 (LWP 52585) "RT-22-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 90 (Thread 0x7fff25ffb6c0 (LWP 52584) "RT-21-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 89 (Thread 0x7fff267fc6c0 (LWP 52583) "RT-20-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 88 (Thread 0x7fff26ffd6c0 (LWP 52582) "RT-19-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 87 (Thread 0x7fff277fe6c0 (LWP 52581) "RT-18-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 86 (Thread 0x7fff1ffff6c0 (LWP 52580) "RT-17-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 85 (Thread 0x7fff27fff6c0 (LWP 52579) "RT-16-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 84 (Thread 0x7fff5cdfa6c0 (LWP 52578) "RT-15-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 83 (Thread 0x7fff5d5fb6c0 (LWP 52577) "RT-14-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 82 (Thread 0x7fff5ddfc6c0 (LWP 52576) "RT-13-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 81 (Thread 0x7fff5e5fd6c0 (LWP 52575) "RT-12-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 80 (Thread 0x7fff5edfe6c0 (LWP 52574) "RT-11-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 79 (Thread 0x7fff5ffff6c0 (LWP 52573) "RT-10-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 78 (Thread 0x7fff64ff96c0 (LWP 52572) "RT-9-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 77 (Thread 0x7fff657fa6c0 (LWP 52571) "RT-8-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 76 (Thread 0x7fff65ffb6c0 (LWP 52570) "RT-7-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 75 (Thread 0x7fff667fc6c0 (LWP 52569) "RT-6-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 74 (Thread 0x7fff66ffd6c0 (LWP 52568) "RT-5-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 73 (Thread 0x7fff677fe6c0 (LWP 52567) "RT-4-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 72 (Thread 0x7fff5f5ff6c0 (LWP 52566) "RT-3-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 71 (Thread 0x7fff67fff6c0 (LWP 52565) "RT-2-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 70 (Thread 0x7fff98ff96c0 (LWP 52564) "RT-1-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fb9d4 in ARDOUR::Graph::run_one() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fbd38 in ARDOUR::Graph::helper_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 69 (Thread 0x7fff997fa6c0 (LWP 52563) "RT-main-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff69480ca in PBD::Semaphore::wait() () at /usr/lib64/ardour8/libpbd.so.4
#2  0x00007ffff72fa827 in ARDOUR::Graph::reached_terminal_node() () at /usr/lib64/ardour8/libardour.so.3
#3  0x00007ffff72fc0e8 in ARDOUR::Graph::main_thread() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007fffe201614a in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 61 (Thread 0x7fffa1ffb6c0 (LWP 52555) "ArdourGUI"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x55555de1dd58, cond@entry=0x0, mutex=mutex@entry=0x55555de1dd50) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=cond@entry=0x55555de1dd58, mutex=mutex@entry=0x55555de1dd50) at ../glib/gthread.c:1665
#3  0x00007ffff66e51eb in g_async_queue_pop_intern_unlocked (queue=0x55555de1dd50, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff66e5677 in g_async_queue_pop (queue=queue@entry=0x55555de1dd50) at ../glib/gasyncqueue.c:409
#5  0x00007ffff5adeda1 in fc_thread_func (data=0x55555de1dd50) at ../pango/pangofc-fontmap.c:989
#6  0x00007ffff674c61e in g_thread_proxy (data=0x55555fa610b0) at ../glib/gthread.c:892
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 55 (Thread 0x7fff9a7fc6c0 (LWP 52543) "ArdourGUI"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x55555f8c2e68, cond@entry=0x0, mutex=mutex@entry=0x55555f8c2e60) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=cond@entry=0x55555f8c2e68, mutex=mutex@entry=0x55555f8c2e60) at ../glib/gthread.c:1665
#3  0x00007ffff66e51eb in g_async_queue_pop_intern_unlocked (queue=0x55555f8c2e60, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff66e5677 in g_async_queue_pop (queue=queue@entry=0x55555f8c2e60) at ../glib/gasyncqueue.c:409
#5  0x00007ffff5adeda1 in fc_thread_func (data=0x55555f8c2e60) at ../pango/pangofc-fontmap.c:989
#6  0x00007ffff674c61e in g_thread_proxy (data=0x55555fad8f20) at ../glib/gthread.c:892
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 46 (Thread 0x7fffe14496c0 (LWP 52529) "AudioEngine 1"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=a2@entry=140736972751696, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=a2@entry=140736972751696, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:75
#3  0x00007ffff4f1dc61 in epoll_wait (epfd=<optimized out>, events=events@entry=0x7fffe1448350, maxevents=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#4  0x00007fffe1ee1ae2 in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffe14485a0, n_ev=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/system.c:138
#5  0x00007fffe1ed4cb1 in spa_system_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffe14485a0, n_ev=32, timeout=-1) at ../spa/include/spa/support/system.h:154
#6  loop_iterate_cancel (object=0x55555781e058, timeout=-1) at ../spa/plugins/support/loop.c:654
#7  0x00007fffe1f221e5 in spa_loop_control_iterate_fast (object=<optimized out>, timeout=-1) at ../spa/include/spa/support/loop.h:309
#8  pw_loop_iterate (object=<optimized out>, timeout=-1) at ../src/pipewire/loop.h:89
#9  pw_data_loop_wait (this=0x555557247c20, timeout=timeout@entry=-1) at ../src/pipewire/data-loop.c:29
#10 0x00007fffe1fd7d57 in cycle_wait (c=<optimized out>) at ../pipewire-jack/src/pipewire-jack.c:2020
#11 jack_cycle_wait (client=0x5555578bd6a0) at ../pipewire-jack/src/pipewire-jack.c:4923
#12 0x00007fffe201457f in ARDOUR::JACKAudioBackend::process_thread() () at /usr/lib64/ardour8/backends/libjack_audiobackend.so
#13 0x00007fffe1ed4e1e in loop_iterate_cancel (object=object@entry=0x55555781e058, timeout=timeout@entry=-1) at ../spa/plugins/support/loop.c:684
#14 0x00007fffe1f26db0 in do_loop (user_data=0x555557247c20) at ../src/pipewire/data-loop.c:67
#15 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#16 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 45 (Thread 0x7fffc2ffd6c0 (LWP 52528) "pw-ardour"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=a2@entry=140736464930688, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=a2@entry=140736464930688, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:75
#3  0x00007ffff4f1dc61 in epoll_wait (epfd=<optimized out>, events=events@entry=0x7fffc2ffc780, maxevents=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#4  0x00007fffe1ee1ae2 in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffc2ffc940, n_ev=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/system.c:138
#5  0x00007fffe1ed2e0d in spa_system_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffc2ffc940, n_ev=32, timeout=-1) at ../spa/include/spa/support/system.h:154
#6  loop_iterate (object=0x5555577f6aa8, timeout=-1) at ../spa/plugins/support/loop.c:701
#7  0x00007fffe1f70395 in spa_loop_control_iterate_fast (object=<optimized out>, timeout=-1) at ../spa/include/spa/support/loop.h:309
#8  pw_loop_iterate (object=<optimized out>, timeout=-1) at ../src/pipewire/loop.h:89
#9  do_loop (user_data=0x555557ca4b50) at ../src/pipewire/thread-loop.c:294
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 44 (Thread 0x7fffa37fe6c0 (LWP 52527) "pw-ardour"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=a2@entry=140735936452480, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=a2@entry=140735936452480, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=0, a6=a6@entry=0, nr=232) at cancellation.c:75
#3  0x00007ffff4f1dc61 in epoll_wait (epfd=<optimized out>, events=events@entry=0x7fffa37fd780, maxevents=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#4  0x00007fffe1ee1ae2 in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffa37fd940, n_ev=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/system.c:138
#5  0x00007fffe1ed2e0d in spa_system_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7fffa37fd940, n_ev=32, timeout=-1) at ../spa/include/spa/support/system.h:154
#6  loop_iterate (object=0x55555780b698, timeout=-1) at ../spa/plugins/support/loop.c:701
#7  0x00007fffe1f70395 in spa_loop_control_iterate_fast (object=<optimized out>, timeout=-1) at ../spa/include/spa/support/loop.h:309
#8  pw_loop_iterate (object=<optimized out>, timeout=-1) at ../src/pipewire/loop.h:89
#9  do_loop (user_data=0x5555579ba6c0) at ../src/pipewire/thread-loop.c:294
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 40 (Thread 0x7fffa27fc6c0 (LWP 52517) "threaded-ml"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=a1@entry=140735340900768, a2=a2@entry=2, a3=a3@entry=-1, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=a1@entry=140735340900768, a2=a2@entry=2, a3=a3@entry=-1, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=fds@entry=0x7fff800071a0, nfds=nfds@entry=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007fffe1d64451 in poll (__fds=0x7fff800071a0, __nfds=2, __timeout=-1) at /usr/include/bits/poll2.h:44
#5  poll_func (ufds=0x7fff800071a0, nfds=2, timeout=-1, userdata=0x555557accc90) at ../src/pulse/thread-mainloop.c:70
#6  0x00007fffe1d4e634 in pa_mainloop_poll (m=m@entry=0x55555789d6b0) at ../src/pulse/mainloop.c:863
#7  0x00007fffe1d58bd6 in pa_mainloop_iterate (m=m@entry=0x55555789d6b0, block=block@entry=1, retval=retval@entry=0x0) at ../src/pulse/mainloop.c:945
#8  0x00007fffe1d58c80 in pa_mainloop_run (m=0x55555789d6b0, retval=0x0) at ../src/pulse/mainloop.c:963
#9  0x00007fffe1d69104 in thread (userdata=0x5555578d5540) at ../src/pulse/thread-mainloop.c:101
#10 0x00007fffe1d07bbf in internal_thread_func (userdata=0x55555725f410) at ../src/pulsecore/thread-posix.c:81
#11 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#12 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 20 (Thread 0x7fffc1ffb6c0 (LWP 52495) "ArdourGUI"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x5555574e4bc8, cond@entry=0x0, mutex=mutex@entry=0x5555574e4bc0) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=cond@entry=0x5555574e4bc8, mutex=mutex@entry=0x5555574e4bc0) at ../glib/gthread.c:1665
#3  0x00007ffff66e51eb in g_async_queue_pop_intern_unlocked (queue=0x5555574e4bc0, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff66e5677 in g_async_queue_pop (queue=queue@entry=0x5555574e4bc0) at ../glib/gasyncqueue.c:409
#5  0x00007ffff5adeda1 in fc_thread_func (data=0x5555574e4bc0) at ../pango/pangofc-fontmap.c:989
#6  0x00007ffff674c61e in g_thread_proxy (data=0x5555574e52d0) at ../glib/gthread.c:892
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 19 (Thread 0x7fffc17fa6c0 (LWP 52494) "ArdourGUI"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x555556d6b408, cond@entry=0x0, mutex=mutex@entry=0x555556d6b400) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=cond@entry=0x555556d6b408, mutex=mutex@entry=0x555556d6b400) at ../glib/gthread.c:1665
#3  0x00007ffff66e51eb in g_async_queue_pop_intern_unlocked (queue=0x555556d6b400, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff66e5677 in g_async_queue_pop (queue=queue@entry=0x555556d6b400) at ../glib/gasyncqueue.c:409
#5  0x00007ffff5adeda1 in fc_thread_func (data=0x555556d6b400) at ../pango/pangofc-fontmap.c:989
#6  0x00007ffff674c61e in g_thread_proxy (data=0x555556d6b450) at ../glib/gthread.c:892
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 15 (Thread 0x7fffc37fe6c0 (LWP 52489) "gdbus"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff4f0fd82 in __GI_ppoll (fds=fds@entry=0x7fffb4000b90, nfds=nfds@entry=3, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff671ce1f in ppoll (__fds=0x7fffb4000b90, __nfds=3, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x555557511de0, timeout_usec=<optimized out>, fds=0x7fffb4000b90, n_fds=3) at ../glib/gmain.c:4591
#6  g_main_context_iterate_unlocked (context=0x555557511de0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4268
#7  0x00007ffff671d74f in g_main_loop_run (loop=0x555557511fb0) at ../glib/gmain.c:4475
#8  0x00007ffff4449936 in gdbus_shared_thread_func (user_data=0x555557513380) at ../gio/gdbusprivate.c:284
#9  0x00007ffff674c61e in g_thread_proxy (data=0x555557511fd0) at ../glib/gthread.c:892
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 14 (Thread 0x7fffc3fff6c0 (LWP 52488) "gmain"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff4f0fd82 in __GI_ppoll (fds=fds@entry=0x55555750bbd0, nfds=nfds@entry=2, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff671ce1f in ppoll (__fds=0x55555750bbd0, __nfds=2, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x55555750b930, timeout_usec=<optimized out>, fds=0x55555750bbd0, n_fds=2) at ../glib/gmain.c:4591
#6  g_main_context_iterate_unlocked (context=context@entry=0x55555750b930, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4268
#7  0x00007ffff671d53c in g_main_context_iteration (context=0x55555750b930, may_block=may_block@entry=1) at ../glib/gmain.c:4338
#8  0x00007ffff671d581 in glib_worker_main (data=<optimized out>) at ../glib/gmain.c:6537
#9  0x00007ffff674c61e in g_thread_proxy (data=0x55555750bb70) at ../glib/gthread.c:892
#10 0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 13 (Thread 0x7fffe09be6c0 (LWP 52487) "pool-spawner"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x55555750b768, cond@entry=0x0, mutex=mutex@entry=0x55555750b760) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=cond@entry=0x55555750b768, mutex=mutex@entry=0x55555750b760) at ../glib/gthread.c:1665
#3  0x00007ffff66e51eb in g_async_queue_pop_intern_unlocked (queue=0x55555750b760, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff674c8b2 in g_thread_pool_spawn_thread (data=<optimized out>) at ../glib/gthreadpool.c:297
#5  0x00007ffff674c61e in g_thread_proxy (data=0x55555750b7b0) at ../glib/gthread.c:892
#6  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#7  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 10 (Thread 0x7fffe2a1e6c0 (LWP 52484) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x5555573d5690, mutex=0x5555573d56a0) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=0x5555573d5690, mutex=0x5555573d56a0) at ../glib/gthread.c:1665
#3  0x00007ffff718cfef in ARDOUR::AudioEngine::do_devicelist_update() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 9 (Thread 0x7fffe37fe6c0 (LWP 52483) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x5555573d5660, mutex=0x5555573d5670) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=0x5555573d5660, mutex=0x5555573d5670) at ../glib/gthread.c:1665
#3  0x00007ffff718ed8f in ARDOUR::AudioEngine::do_reset_backend() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 6 (Thread 0x7fffe3fff6c0 (LWP 52478) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x7ffff7da9840 <ARDOUR::Analyser::SourcesToAnalyse>, mutex=0x7ffff7da9850 <ARDOUR::Analyser::analysis_queue_lock>) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=0x7ffff7da9840 <ARDOUR::Analyser::SourcesToAnalyse>, mutex=0x7ffff7da9850 <ARDOUR::Analyser::analysis_queue_lock>) at ../glib/gthread.c:1665
#3  0x00007ffff714050b in ARDOUR::Analyser::work() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 5 (Thread 0x7ffff0cf46c0 (LWP 52477) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x7ffff7dac670 <ARDOUR::SourceFactory::PeaksToBuild>, mutex=0x7ffff7dac668 <ARDOUR::SourceFactory::peak_building_lock>) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=0x7ffff7dac670 <ARDOUR::SourceFactory::PeaksToBuild>, mutex=0x7ffff7dac668 <ARDOUR::SourceFactory::peak_building_lock>) at ../glib/gthread.c:1665
#3  0x00007ffff773ce2e in peak_thread_work() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 4 (Thread 0x7ffff14f56c0 (LWP 52476) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff674bf90 in g_cond_wait_impl (cond=0x7ffff7dac670 <ARDOUR::SourceFactory::PeaksToBuild>, mutex=0x7ffff7dac668 <ARDOUR::SourceFactory::peak_building_lock>) at ../glib/gthread-posix.c:1007
#2  g_cond_wait (cond=0x7ffff7dac670 <ARDOUR::SourceFactory::PeaksToBuild>, mutex=0x7ffff7dac668 <ARDOUR::SourceFactory::peak_building_lock>) at ../glib/gthread.c:1665
#3  0x00007ffff773ce2e in peak_thread_work() () at /usr/lib64/ardour8/libardour.so.3
#4  0x00007ffff6944b85 in PBD::Thread::_run(void*) () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#6  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 3 (Thread 0x7ffff1cf66c0 (LWP 52475) "LXVSTEventLoop"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=a1@entry=0, a2=a2@entry=0, a3=a3@entry=140737250285952, a4=a4@entry=140737250285968, a5=a5@entry=0, a6=a6@entry=0, nr=230) at cancellation.c:49
#2  0x00007ffff4ee5e7e in __GI___clock_nanosleep (clock_id=<optimized out>, clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7ffff1cf5980, rem=rem@entry=0x7ffff1cf5990) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#3  0x00007ffff4ef1e07 in __GI___nanosleep (req=req@entry=0x7ffff1cf5980, rem=rem@entry=0x7ffff1cf5990) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#4  0x00007ffff674dc2f in g_usleep (microseconds=<optimized out>) at ../glib/gtimer.c:275
#5  0x00005555566b8682 in gui_event_loop(void*) ()
#6  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#7  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 2 (Thread 0x7ffff2448a80 (LWP 52474) "TriggerBox Work"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff4f0f87a in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007ffff69190ad in CrossThreadChannel::poll_for_request() () at /usr/lib64/ardour8/libpbd.so.4
#5  0x00007ffff6919105 in CrossThreadChannel::receive(char&, bool) () at /usr/lib64/ardour8/libpbd.so.4
#6  0x00007ffff77b3753 in ARDOUR::TriggerBoxThread::thread_work() () at /usr/lib64/ardour8/libardour.so.3
#7  0x00007ffff6943b60 in fake_thread_start(void*) () at /usr/lib64/ardour8/libpbd.so.4
#8  0x00007ffff4e99546 in start_thread (arg=<optimized out>) at pthread_create.c:448
#9  0x00007ffff4f1d94c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 1 (Thread 0x7ffff2d5ef80 (LWP 52468) "ArdourGUI"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff4e9581c in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff4e95871 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5@entry=8, a6=a6@entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff4f0fd82 in __GI_ppoll (fds=fds@entry=0x55555723bcb0, nfds=nfds@entry=3, timeout=<optimized out>, timeout@entry=0x7fffffffd5b0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff671ce1f in ppoll (__fds=0x55555723bcb0, __nfds=3, __timeout=0x7fffffffd5b0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x555557395370, timeout_usec=<optimized out>, fds=0x55555723bcb0, n_fds=3) at ../glib/gmain.c:4591
#6  g_main_context_iterate_unlocked (context=0x555557395370, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4268
#7  0x00007ffff671d74f in g_main_loop_run (loop=loop@entry=0x55555788c410) at ../glib/gmain.c:4475
#8  0x00007ffff57411bf in IA__gtk_main () at /usr/src/debug/gtk-2.24.33/gtk/gtkmain.c:1270
#9  0x00007ffff69e9d16 in Gtkmm2ext::UI::run(Receiver&) () at /usr/lib64/ardour8/libgtkmm2ext.so.0
#10 0x0000555555b35e72 in main ()