Thread 23 "audioengine" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc8167700 (LWP 14088)]
0x00007ffff7454e1b in ARDOUR::PortManager::run_input_meters(unsigned int, long) () from /opt/Ardour-6.9.0/lib/libardour.so.3
(gdb) thread apply all bt

Thread 63 (Thread 0x7fff2bfff700 (LWP 14131)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 62 (Thread 0x7fff34ff9700 (LWP 14130)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 61 (Thread 0x7fff357fa700 (LWP 14129)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 60 (Thread 0x7fff35ffb700 (LWP 14128)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 59 (Thread 0x7fff367fc700 (LWP 14127)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
--Type <RET> for more, q to quit, c to continue without paging--c
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 58 (Thread 0x7fff36ffd700 (LWP 14126)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 57 (Thread 0x7fff377fe700 (LWP 14125)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 56 (Thread 0x7fff37fff700 (LWP 14124)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7b9968d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#3  0x00007ffff7b99743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#4  0x00007ffff7b999eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.9.0/lib/libwaveview.so.0
#5  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#6  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 55 (Thread 0x7fff509ab700 (LWP 14123)):
#0  0x00007fffee4463bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff509aacc0, rem=0x7fff509aacd0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffee44c047 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007ffff4796a38 in g_usleep () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#3  0x00007ffff709ca00 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#5  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 54 (Thread 0x7fffca451700 (LWP 14122)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555557ef8ad8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557ef8a88, cond=0x555557ef8ab0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555557ef8ab0, mutex=0x555557ef8a88) at pthread_cond_wait.c:638
#3  0x00007ffff74f9243 in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74f9418 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 53 (Thread 0x7fffb37fe700 (LWP 14121)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555557ef8a6c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555557ef8a18, cond=0x555557ef8a40) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555557ef8a40, mutex=0x555557ef8a18) at pthread_cond_wait.c:638
#3  0x00007ffff756f3d3 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff756f408 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 52 (Thread 0x7fffb3fff700 (LWP 14120)):
#0  0x00007fffee47baff in __GI___poll (fds=0x7fff4417be00, nfds=3, timeout=99) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4765d66 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff47660f2 in g_main_loop_run () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#3  0x00007ffff58e2b32 in BaseUI::main_thread() () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#4  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#5  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 51 (Thread 0x7fffc89f4700 (LWP 14119)):
#0  0x00007fffee47baff in __GI___poll (fds=0x7fff40142810, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4765d66 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff47660f2 in g_main_loop_run () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#3  0x00007ffff58e2b32 in BaseUI::main_thread() () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#4  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#5  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 50 (Thread 0x7fff52ae4700 (LWP 14118)):
#0  0x00007fffee47baff in __GI___poll (fds=0x7fff52ae3ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff58ecff7 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#2  0x00007ffff58ed056 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#3  0x00007ffff70a98d6 in ARDOUR::Butler::thread_work() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff70aaa82 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff59159b6 in ?? () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 49 (Thread 0x7fffb1f13700 (LWP 14116)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 48 (Thread 0x7fffb1f94700 (LWP 14115)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adcea0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adcea0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adcea0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fba6 in ARDOUR::Graph::reached_terminal_node() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717fd18 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#6  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#7  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 47 (Thread 0x7fffb2015700 (LWP 14114)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 46 (Thread 0x7fffb2096700 (LWP 14113)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 45 (Thread 0x7fffb2117700 (LWP 14112)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fffb2198700 (LWP 14111)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fffb2219700 (LWP 14110)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fffb229a700 (LWP 14109)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fffb231b700 (LWP 14108)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fffb239c700 (LWP 14107)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff717ffd8 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fffb241d700 (LWP 14106)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556adce78) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555556adce78, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff717fd64 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff71802c0 in ARDOUR::Graph::main_thread() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007fffcbbafd81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fffb2428900 (LWP 14105)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fffb2434900 (LWP 14104)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffb2440900 (LWP 14103)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffb244c900 (LWP 14102)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffb2458900 (LWP 14101)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffb2464900 (LWP 14100)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fffb2470900 (LWP 14099)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fffb247c900 (LWP 14098)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fffb2488900 (LWP 14097)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fffb2494900 (LWP 14096)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fffc81ea900 (LWP 14095)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557edbc50) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff08974e8 in __new_sem_wait_slow (sem=0x555557edbc50, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007ffff74df869 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#4  0x00007ffff74dfc88 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fffc8167700 (LWP 14088)):
#0  0x00007ffff7454e1b in ARDOUR::PortManager::run_input_meters(unsigned int, long) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#1  0x00007ffff745762b in ARDOUR::PortManager::cycle_start(unsigned int, ARDOUR::Session*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#2  0x00007ffff7057722 in ARDOUR::AudioEngine::process_callback(unsigned int) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007fffcbbaf2fb in ARDOUR::JACKAudioBackend::process_thread() () from /opt/Ardour-6.9.0/lib/backends/libjack_audiobackend.so
#4  0x00007fffe803b1f2 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffe8054280 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fffc9bc6700 (LWP 14087)):
#0  __libc_read (nbytes=4, buf=0x7fffc9bc5b80, fd=10) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __libc_read (fd=10, buf=0x7fffc9bc5b80, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fffe80554c2 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe805891d in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe8054280 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fffc9c47700 (LWP 14086)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555556cdc088) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555556cdc030, cond=0x555556cdc060) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555556cdc060, mutex=0x555556cdc030) at pthread_cond_wait.c:638
#3  0x00007fffe8054d32 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe804c83d in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffe8054280 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fffc9a93700 (LWP 14081)):
#0  0x00007fffee47baff in __GI___poll (fds=0x5555570f2b50, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4765d66 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff4765e7c in g_main_context_iteration () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#3  0x00007ffff4765ec1 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffd89bd700 (LWP 14073)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff70569c3 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffdb649700 (LWP 14072)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7058b1d in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffe88f7700 (LWP 14070)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff7017ab7 in ARDOUR::Analyser::work() () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe90f8700 (LWP 14069)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff75e3c87 in ?? () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffe98f9700 (LWP 14068)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47b6e4c in g_cond_wait () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#2  0x00007ffff75e3c87 in ?? () from /opt/Ardour-6.9.0/lib/libardour.so.3
#3  0x00007ffff4cffc4d in ?? () from /opt/Ardour-6.9.0/lib/libglibmm-2.4.so.1
#4  0x00007ffff47951e5 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#5  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffea0fa700 (LWP 14067)):
#0  0x00007fffee4463bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffea0f9b40, rem=0x7fffea0f9b50) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffee44c047 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2  0x00007ffff4796a38 in g_usleep () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#3  0x000055555618bb0b in ?? ()
#4  0x00007ffff088d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007fffee488293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fffea73fd40 (LWP 14063)):
#0  0x00007ffff47a06a4 in g_utf8_collate () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#1  0x00007ffff5ba302b in CairoWidget::on_widget_name_changed() () from /opt/Ardour-6.9.0/lib/libgtkmm2ext.so.0
#2  0x00007ffff4a74945 in g_closure_invoke () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#3  0x00007ffff4a8601b in ?? () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#4  0x00007ffff4a8fc30 in g_signal_emit_valist () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#5  0x00007ffff4a90082 in g_signal_emit () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#6  0x00007ffff4a78b05 in ?? () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#7  0x00007ffff4a7b62f in g_object_notify () from /opt/Ardour-6.9.0/lib/libgobject-2.0.so.0
#8  0x00005555558dae42 in ?? ()
#9  0x0000555555bf9b6b in ?? ()
#10 0x0000555555bfb639 in ?? ()
#11 0x000055555588b302 in ?? ()
#12 0x00007ffff5bba728 in AbstractUI<Gtkmm2ext::UIRequest>::call_slot(PBD::EventLoop::InvalidationRecord*, boost::function<void ()> const&) () from /opt/Ardour-6.9.0/lib/libgtkmm2ext.so.0
#13 0x000055555588ce08 in ?? ()
#14 0x000055555588ae7b in ?? ()
#15 0x00007ffff71d3bff in PBD::Signal1<void, ARDOUR::Location*, PBD::OptionalLastValue<void> >::operator()(ARDOUR::Location*) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#16 0x00007ffff71ce967 in ARDOUR::Locations::add(ARDOUR::Location*, bool) () from /opt/Ardour-6.9.0/lib/libardour.so.3
#17 0x00005555558a9a52 in ?? ()
#18 0x00005555558aaa76 in ?? ()
#19 0x0000555555860022 in ?? ()
#20 0x00007ffff5bb4c28 in Gtkmm2ext::UI::do_request(Gtkmm2ext::UIRequest*) () from /opt/Ardour-6.9.0/lib/libgtkmm2ext.so.0
#21 0x00007ffff5bbad55 in AbstractUI<Gtkmm2ext::UIRequest>::handle_ui_requests() () from /opt/Ardour-6.9.0/lib/libgtkmm2ext.so.0
#22 0x00007ffff58e1ad9 in BaseUI::request_handler(Glib::IOCondition) () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#23 0x00007ffff58ec989 in cross_thread_channel_call_receive_slot(_GIOChannel*, GIOCondition, void*) () from /opt/Ardour-6.9.0/lib/libpbd.so.4
#24 0x00007ffff4765a2a in g_main_context_dispatch () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#25 0x00007ffff4765dd0 in ?? () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#26 0x00007ffff47660f2 in g_main_loop_run () from /opt/Ardour-6.9.0/lib/libglib-2.0.so.0
#27 0x00007ffff3d563e7 in gtk_main () from /opt/Ardour-6.9.0/lib/libgtk-x11-2.0.so.0
#28 0x00007ffff5bb2a55 in Gtkmm2ext::UI::run(Receiver&) () from /opt/Ardour-6.9.0/lib/libgtkmm2ext.so.0
#29 0x000055555580c814 in ?? ()
#30 0x00007fffee38d0b3 in __libc_start_main (main=0x55555580c420, argc=1, argv=0x7fffffffd0b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd0a8) at ../csu/libc-start.c:308
#31 0x000055555581360a in ?? ()