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Reading symbols from /opt/Ardour-6.6.0/bin/ardour-6.6.0...
(No debugging symbols found in /opt/Ardour-6.6.0/bin/ardour-6.6.0)
(gdb) handle SIG32 noprint nostop
Signal        Stop	Print	Pass to program	Description
SIG32         No	No	Yes		Real-time event 32
(gdb) run
Starting program: /opt/Ardour-6.6.0/bin/ardour-6.6.0 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Ardour6.6.0 (built using 6.6 and GCC version 6.3.0 20170516)
Ardour: [INFO]: Your system is configured to limit Ardour to 1048576 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-6.6.0/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/user/.config/ardour6/config
[New Thread 0x7fffea177700 (LWP 8430)]
Ardour: [INFO]: CPU vendor: GenuineIntel
Ardour: [INFO]: AVX-capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
[New Thread 0x7fffe9976700 (LWP 8431)]
[New Thread 0x7fffe9175700 (LWP 8432)]
[New Thread 0x7fffe8974700 (LWP 8433)]
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-6.6.0/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/user/.config/ardour6/plugin_metadata/plugin_stats
[New Thread 0x7fffda422700 (LWP 8434)]
[Thread 0x7fffda422700 (LWP 8434) exited]
[New Thread 0x7fffda422700 (LWP 8435)]
[New Thread 0x7fffd89c8700 (LWP 8436)]
[New Thread 0x7fffcf10c700 (LWP 8437)]
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-6.6.0/etc/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/user/.config/ardour6/ui_config
Ardour: [INFO]: Loading 451 MIDI patches from /opt/Ardour-6.6.0/share/patchfiles
Ardour: [INFO]: Loading colour file /opt/Ardour-6.6.0/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-6.6.0/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-6.6.0/etc/ardour.keys
Loading ui configuration file /opt/Ardour-6.6.0/etc/clearlooks.rc
[New Thread 0x7fffce5a9700 (LWP 8438)]
[New Thread 0x7fffce528700 (LWP 8439)]
[Thread 0x7fffce528700 (LWP 8439) exited]
[New Thread 0x7fffce528700 (LWP 8440)]
[New Thread 0x7fffcdbc3700 (LWP 8441)]
[New Thread 0x7fffcd3c2700 (LWP 8442)]
[New Thread 0x7fffccbc1700 (LWP 8443)]
[New Thread 0x7fffb3fff700 (LWP 8444)]
Found nothing along /home/user/.config/ardour6/templates:/opt/Ardour-6.6.0/share/templates
[New Thread 0x7fffb37fe700 (LWP 8445)]
[Thread 0x7fffccbc1700 (LWP 8443) exited]
[Thread 0x7fffcdbc3700 (LWP 8441) exited]
[Thread 0x7fffb37fe700 (LWP 8445) exited]
[Thread 0x7fffcd3c2700 (LWP 8442) exited]
[Thread 0x7fffcf10c700 (LWP 8437) exited]
[Thread 0x7fffce5a9700 (LWP 8438) exited]
[Detaching after vfork from child process 8446]
[New Thread 0x7fffcd3c2700 (LWP 8447)]
[New Thread 0x7fffcc28c900 (LWP 8448)]
[New Thread 0x7fffb37fe700 (LWP 8449)]
Scanning folders for bundled LV2s: /opt/Ardour-6.6.0/lib/LV2
[New Thread 0x7fffcdbc3700 (LWP 8450)]
[New Thread 0x7fffccbc1700 (LWP 8451)]
[New Thread 0x7fffb2ffd700 (LWP 8452)]
[New Thread 0x7fffb27fc700 (LWP 8453)]
[Detaching after vfork from child process 8454]
[New Thread 0x7fffb1ffb700 (LWP 8455)]
[Thread 0x7fffb1ffb700 (LWP 8455) exited]
[Thread 0x7fffccbc1700 (LWP 8451) exited]
[Thread 0x7fffcdbc3700 (LWP 8450) exited]
[Thread 0x7fffb3fff700 (LWP 8444) exited]
[Thread 0x7fffb2ffd700 (LWP 8452) exited]
[Detaching after vfork from child process 8456]
[New Thread 0x7fffb1ffb700 (LWP 8457)]
[Thread 0x7fffb1ffb700 (LWP 8457) exited]
Set cursor set to default
 loading from /home/user/Projects/Audio/MidiPlay as MidiPlay templ  is_new 0 bp 0
[New Thread 0x7fffcd880900 (LWP 8458)]
[New Thread 0x7fffcd874900 (LWP 8459)]
[New Thread 0x7fffcd868900 (LWP 8460)]
[New Thread 0x7fffcd85c900 (LWP 8461)]
[New Thread 0x7fffcd838900 (LWP 8462)]
[New Thread 0x7fffcd814900 (LWP 8463)]
[New Thread 0x7fffb13f0700 (LWP 8466)]
[New Thread 0x7fffb1ffb700 (LWP 8467)]
[New Thread 0x7fffb2ffd700 (LWP 8468)]
[New Thread 0x7fffccbc1700 (LWP 8469)]
[New Thread 0x7fffb3fff700 (LWP 8470)]
Reading player:Piano took 122 microseconds, final size = 64

Thread 1 "ArdourGUI" received signal SIGSEGV, Segmentation fault.
0x0000555555a5c3b0 in ?? ()
(gdb) thread apply all bt

Thread 37 (Thread 0x7fffb3fff700 (LWP 8470)):
#0  0x00007fffee4d23bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffb3ffecc0, rem=0x7fffb3ffecd0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffee4d8047 in __GI___nanosleep (requested_time=<optimised out>, remaining=<optimised out>) at nanosleep.c:27
#2  0x00007ffff4817a38 in g_usleep () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#3  0x00007ffff70e9e00 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#5  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffccbc1700 (LWP 8469)):
#0  futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x555557d93d64) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557d93d10, cond=0x555557d93d38) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555557d93d38, mutex=0x555557d93d10) at pthread_cond_wait.c:638
#3  0x00007ffff751dc03 in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff751ddd8 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffb2ffd700 (LWP 8468)):
#0  futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x555557d93cf0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557d93ca0, cond=0x555557d93cc8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555557d93cc8, mutex=0x555557d93ca0) at pthread_cond_wait.c:638
#3  0x00007ffff7592433 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff7592468 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffb1ffb700 (LWP 8467)):
#0  0x00007fffee507aff in __GI___poll (fds=0x7fff8c1427f0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff47e6d66 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff47e70f2 in g_main_loop_run () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#3  0x00007ffff5962a28 in BaseUI::main_thread() () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#4  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#5  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffb13f0700 (LWP 8466)):
#0  0x00007fffee507aff in __GI___poll (fds=0x7fffb13efae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff596cd57 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#2  0x00007ffff596cdb6 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#3  0x00007ffff70f7572 in ARDOUR::Butler::thread_work() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff70f86d2 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff5995996 in ?? () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fffcd814900 (LWP 8463)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556c1ac30) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556c1ac30, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555556c1ac30, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff71c206c in ARDOUR::Graph::run_one() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff71c2388 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007fffcfdd5666 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fffcd838900 (LWP 8462)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556c1ac30) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556c1ac30, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555556c1ac30, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff71c206c in ARDOUR::Graph::run_one() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff71c2388 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007fffcfdd5666 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fffcd85c900 (LWP 8461)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556c1ac58) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556c1ac58, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555556c1ac58, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff71c1f86 in ARDOUR::Graph::reached_terminal_node() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff71c2670 in ARDOUR::Graph::main_thread() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007fffcfdd5666 in ARDOUR::AlsaAudioBackend::alsa_process_thread(void*) () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#6  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
--Type <RET> for more, q to quit, c to continue without paging--c

Thread 29 (Thread 0x7fffcd868900 (LWP 8460)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557d5e6a0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff7504479 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff7504898 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fffcd874900 (LWP 8459)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557d5e6a0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff7504479 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff7504898 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fffcd880900 (LWP 8458)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557d5e6a0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff09234e8 in __new_sem_wait_slow (sem=0x555557d5e6a0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff7504479 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#4  0x00007ffff7504898 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fffb27fc700 (LWP 8453)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837f61 in g_cond_wait_until () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff47b23fb in g_async_queue_timeout_pop () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#3  0x00007ffff4816a14 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fffb37fe700 (LWP 8449)):
#0  0x00007fffee507aff in __GI___poll (fds=0x7fffb8003750, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffcfdd8c94 in ARDOUR::AlsaAudioBackend::midi_device_thread() () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#2  0x00007fffcfdd8ce9 in ARDOUR::AlsaAudioBackend::_midi_device_thread(void*) () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#3  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#4  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fffcc28c900 (LWP 8448)):
#0  0x00007fffee507bf6 in __ppoll (fds=0x5555570d21dc, nfds=2, timeout=<optimised out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1  0x00007fffcfdf0fbd in Alsa_pcmi::pcm_wait() () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#2  0x00007fffcfddaaca in ARDOUR::AlsaAudioBackend::main_process_thread() () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#3  0x00007fffcfddbb49 in ?? () from /opt/Ardour-6.6.0/lib/backends/libalsa_audiobackend.so
#4  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#5  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fffcd3c2700 (LWP 8447)):
#0  0x00007fffee50a12b in __GI___select (nfds=1, readfds=0x7fffcd3bfc70, writefds=0x0, exceptfds=0x0, timeout=0x7fffcd3bfc50) at ../sysdeps/unix/sysv/linux/select.c:41
#1  0x00007ffff59a5d86 in PBD::SystemExec::output_interposer() () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#2  0x00007ffff59a5f08 in ?? () from /opt/Ardour-6.6.0/lib/libpbd.so.4
#3  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#4  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffce528700 (LWP 8440)):
#0  0x00007fffee507aff in __GI___poll (fds=0x555556eb19f0, nfds=2, timeout=3960) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff47e6d66 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff47e6e7c in g_main_context_iteration () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#3  0x00007ffff47e6ec1 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffd89c8700 (LWP 8436)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837e4c in g_cond_wait () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff70a3dd3 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#3  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffda422700 (LWP 8435)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837e4c in g_cond_wait () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff70a5f45 in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#3  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffe8974700 (LWP 8433)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837e4c in g_cond_wait () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff7064ff7 in ARDOUR::Analyser::work() () from /opt/Ardour-6.6.0/lib/libardour.so.3
#3  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe9175700 (LWP 8432)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837e4c in g_cond_wait () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff7602107 in ?? () from /opt/Ardour-6.6.0/lib/libardour.so.3
#3  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffe9976700 (LWP 8431)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff4837e4c in g_cond_wait () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#2  0x00007ffff7602107 in ?? () from /opt/Ardour-6.6.0/lib/libardour.so.3
#3  0x00007ffff4d80c4d in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff48161e5 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#5  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffea177700 (LWP 8430)):
#0  0x00007fffee4d23bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffea176b40, rem=0x7fffea176b50) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffee4d8047 in __GI___nanosleep (requested_time=<optimised out>, remaining=<optimised out>) at nanosleep.c:27
#2  0x00007ffff4817a38 in g_usleep () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#3  0x000055555622428b in ?? ()
#4  0x00007ffff0919609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#5  0x00007fffee514293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fffea7cbd40 (LWP 8426)):
#0  0x0000555555a5c3b0 in ?? ()
#1  0x0000555555da620e in ?? ()
#2  0x0000555556131add in ?? ()
#3  0x0000555555da8e5f in ?? ()
#4  0x00007ffff7417ee5 in ARDOUR::Playlist::foreach_region(boost::function<void (boost::shared_ptr<ARDOUR::Region>)>) () from /opt/Ardour-6.6.0/lib/libardour.so.3
#5  0x0000555555da57f9 in ?? ()
#6  0x000055555613371d in ?? ()
#7  0x00005555561340bd in ?? ()
#8  0x00005555561346d7 in ?? ()
#9  0x0000555555a6a65d in ?? ()
#10 0x00005555559c7b8e in ?? ()
#11 0x00007ffff4d89032 in ?? () from /opt/Ardour-6.6.0/lib/libglibmm-2.4.so.1
#12 0x00007ffff47e6a2a in g_main_context_dispatch () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#13 0x00007ffff47e6dd0 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#14 0x00007ffff47e6e7c in g_main_context_iteration () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#15 0x00007ffff3dd7601 in gtk_main_iteration () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#16 0x00007ffff5c337d5 in Gtkmm2ext::UI::flush_pending(float) () from /opt/Ardour-6.6.0/lib/libgtkmm2ext.so.0
#17 0x00005555559bddfc in ?? ()
#18 0x00005555559bedef in ?? ()
#19 0x00005555559c8ce6 in ?? ()
#20 0x00005555559caf7e in ?? ()
#21 0x00005555561081bd in ?? ()
#22 0x00007ffff1f4c5f5 in ?? () from /opt/Ardour-6.6.0/lib/libgtkmm-2.4.so.1
#23 0x00007ffff4af5945 in g_closure_invoke () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#24 0x00007ffff4b0701b in ?? () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#25 0x00007ffff4b10c30 in g_signal_emit_valist () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#26 0x00007ffff4b11082 in g_signal_emit () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#27 0x00007ffff3d3580c in gtk_dialog_response () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#28 0x0000555556107b38 in ?? ()
#29 0x00007ffff1f4c5f5 in ?? () from /opt/Ardour-6.6.0/lib/libgtkmm-2.4.so.1
#30 0x00007ffff4af5945 in g_closure_invoke () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#31 0x00007ffff4b0701b in ?? () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#32 0x00007ffff4b10c30 in g_signal_emit_valist () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#33 0x00007ffff4b11082 in g_signal_emit () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#34 0x00007ffff3d3580c in gtk_dialog_response () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#35 0x00007ffff1fc5b35 in ?? () from /opt/Ardour-6.6.0/lib/libgtkmm-2.4.so.1
#36 0x00007ffff4af5945 in g_closure_invoke () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#37 0x00007ffff4b0701b in ?? () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#38 0x00007ffff4b10c30 in g_signal_emit_valist () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#39 0x00007ffff4b11082 in g_signal_emit () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#40 0x00007ffff3f3d3c0 in ?? () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#41 0x00007ffff3dd9cac in ?? () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#42 0x00007ffff4af5945 in g_closure_invoke () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#43 0x00007ffff4b075a0 in ?? () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#44 0x00007ffff4b1069b in g_signal_emit_valist () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#45 0x00007ffff4b11082 in g_signal_emit () from /opt/Ardour-6.6.0/lib/libgobject-2.0.so.0
#46 0x00007ffff3f5e64c in ?? () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#47 0x00007ffff3dd829d in gtk_propagate_event () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#48 0x00007ffff3dd8723 in gtk_main_do_event () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#49 0x00007ffff39f4b4c in ?? () from /opt/Ardour-6.6.0/lib/libgdk-x11-2.0.so.0
#50 0x00007ffff47e6b67 in g_main_context_dispatch () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#51 0x00007ffff47e6dd0 in ?? () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#52 0x00007ffff47e70f2 in g_main_loop_run () from /opt/Ardour-6.6.0/lib/libglib-2.0.so.0
#53 0x00007ffff3dd73e7 in gtk_main () from /opt/Ardour-6.6.0/lib/libgtk-x11-2.0.so.0
#54 0x00007ffff5c31a45 in Gtkmm2ext::UI::run(Receiver&) () from /opt/Ardour-6.6.0/lib/libgtkmm2ext.so.0
#55 0x00005555559184db in ?? ()
#56 0x00007fffee4190b3 in __libc_start_main (main=0x5555559180e0, argc=1, argv=0x7fffffffd308, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fffffffd2f8) at ../csu/libc-start.c:308
#57 0x000055555591ec2a in ?? ()

