ruthc@Drop:~$ /opt/Ardour-7.1.0/bin/ardour7 --gdb
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Reading symbols from /opt/Ardour-7.1.0/bin/ardour-7.1.0...
(No debugging symbols found in /opt/Ardour-7.1.0/bin/ardour-7.1.0)
(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-7.1.0/bin/ardour-7.1.0
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Ardour7.1.0 (built using 7.1 and GCC version 6.3.0 20170516)
[New Thread 0x7ffff6131640 (LWP 9147)]
Ardour: [INFO]: Your system is configured to limit Ardour to 1048576 open files
Ardour: [INFO]: Loading system configuration file /opt/Ardour-7.1.0/etc/system_config
Ardour: [INFO]: Loading user configuration file /home/ruthc/.config/ardour7/config
[New Thread 0x7fffe2c8c640 (LWP 9148)]
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) i7-4712HQ CPU @ 2.30GHz
Ardour: [INFO]: Using AVX and FMA optimized routines
[New Thread 0x7fffe248b640 (LWP 9149)]
[New Thread 0x7fffe1c8a640 (LWP 9150)]
[New Thread 0x7fffe1489640 (LWP 9151)]
Ardour: [INFO]: Loading plugin meta data file /opt/Ardour-7.1.0/share/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/ruthc/.config/ardour7/plugin_metadata/plugin_stats
[New Thread 0x7fffc9fff640 (LWP 9152)]
[Thread 0x7fffc9fff640 (LWP 9152) exited]
[New Thread 0x7fffc9fff640 (LWP 9153)]
[New Thread 0x7fffbf7ff640 (LWP 9154)]
[New Thread 0x7fffc63ff640 (LWP 9155)]
Cannot xinstall SIGPIPE error handler
Ardour: [INFO]: Loading default ui configuration file /opt/Ardour-7.1.0/etc/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/ruthc/.config/ardour7/ui_config
Ardour: [INFO]: Loading 454 MIDI patches from /opt/Ardour-7.1.0/share/patchfiles
Ardour: [INFO]: Loading colour file /opt/Ardour-7.1.0/share/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /opt/Ardour-7.1.0/etc/clearlooks.rc
Ardour: [INFO]: Loading bindings from /opt/Ardour-7.1.0/etc/ardour.keys
Loading ui configuration file /opt/Ardour-7.1.0/etc/clearlooks.rc
[New Thread 0x7ffff4582640 (LWP 9156)]
[New Thread 0x7fffc57ff640 (LWP 9157)]
[New Thread 0x7fffc4ffe640 (LWP 9158)]
[New Thread 0x7fffbeffe640 (LWP 9159)]
[Thread 0x7fffbeffe640 (LWP 9159) exited]
[Thread 0x7fffc4ffe640 (LWP 9158) exited]
[New Thread 0x7fffc4ffe640 (LWP 9160)]
[New Thread 0x7fffbeffe640 (LWP 9161)]
[Thread 0x7fffbeffe640 (LWP 9161) exited]
[Thread 0x7fffc4ffe640 (LWP 9160) exited]
[Thread 0x7fffc57ff640 (LWP 9157) exited]
[New Thread 0x7fffc57ff640 (LWP 9162)]

(ardour-7.1.0:9144): Gtk-WARNING **: Theme directory places/128 of theme ubuntustudio-dark has no size field


(ardour-7.1.0:9144): Gtk-WARNING **: Theme directory places/scalable of theme ubuntustudio-dark has no size field

[New Thread 0x7fffc4ffe640 (LWP 9163)]
[New Thread 0x7fffbeffe640 (LWP 9164)]
Found nothing along /home/ruthc/.config/ardour7/templates:/opt/Ardour-7.1.0/share/templates
[Thread 0x7ffff4582640 (LWP 9156) exited]
[Thread 0x7fffc4ffe640 (LWP 9163) exited]
[Thread 0x7fffc63ff640 (LWP 9155) exited]
[New Thread 0x7fffc4ffe640 (LWP 9165)]
[New Thread 0x7fffbe7fd640 (LWP 9166)]
no more csLADSPA plugins
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/midifilter.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/midifilter#cctonote> loaded from <file:///home/ruthc/.lv2/midifilter.lv2/>
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-exp>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-exp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-exp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-exp#stereo>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-exp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-exp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-delay>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-delay.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-delay.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <https://community.ardour.org/node/7596>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/reasonablesynth.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/reasonablesynth.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-comp>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-comp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-comp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-comp#stereo>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-comp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-comp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-eq>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-eq.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-eq.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-reverb>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-reverb.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-reverb.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-fluidsynth>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-fluidsynth.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-fluidsynth.lv2/ (ignored)
lilv_world_load_bundle(): warning: Ignoring bundle <file:///usr/lib/lv2/midifilter.lv2/>
lilv_world_load_bundle(): note: Newer version of <http://gareus.org/oss/lv2/midifilter#cctonote> loaded from <file:///home/ruthc/.lv2/midifilter.lv2/>
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-exp>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-exp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-exp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-exp#stereo>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-exp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-exp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-delay>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-delay.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-delay.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <https://community.ardour.org/node/7596>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/reasonablesynth.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/reasonablesynth.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-comp>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-comp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-comp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-comp#stereo>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-comp.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-comp.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-eq>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-eq.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-eq.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-reverb>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-reverb.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-reverb.lv2/ (ignored)
lilv_world_add_plugin(): warning: Duplicate plugin <urn:ardour:a-fluidsynth>
lilv_world_add_plugin(): warning: ... found in file:///opt/Ardour-7.1.0/lib/LV2/a-fluidsynth.lv2/
lilv_world_add_plugin(): warning: ... and      file:///usr/lib/lv2/a-fluidsynth.lv2/ (ignored)
[New Thread 0x7fffbdffc640 (LWP 9173)]
[Detaching after vfork from child process 9174]
[New Thread 0x7fffbd7fb640 (LWP 9175)]
[Thread 0x7fffbd7fb640 (LWP 9175) exited]
[Thread 0x7fffbeffe640 (LWP 9164) exited]
[Detaching after vfork from child process 9176]
[New Thread 0x7fffbeffe640 (LWP 9177)]
[Thread 0x7fffbeffe640 (LWP 9177) exited]
Set cursor set to default
[New Thread 0x7fffbeffe640 (LWP 9178)]
[New Thread 0x7fffbd7fb640 (LWP 9179)]
[New Thread 0x7fffbcffa640 (LWP 9180)]
[New Thread 0x7fff9ffff640 (LWP 9181)]
[New Thread 0x7fff9f7fe640 (LWP 9182)]
[New Thread 0x7fff9effd640 (LWP 9183)]
[New Thread 0x7fff9e7fc640 (LWP 9184)]
[New Thread 0x7fff9dffb640 (LWP 9185)]
[New Thread 0x7ffff25ff640 (LWP 9187)]
[New Thread 0x7fff9d7fa640 (LWP 9188)]
[New Thread 0x7fff7affd640 (LWP 9189)]
lo server running on 16560
[New Thread 0x7fff73fff640 (LWP 9190)]
[Thread 0x7fff73fff640 (LWP 9190) exited]
[New Thread 0x7fff73fff640 (LWP 9191)]
[New Thread 0x7fff737fe640 (LWP 9192)]
[New Thread 0x7fff72ffd640 (LWP 9193)]
[New Thread 0x7fff727fc640 (LWP 9194)]
[Thread 0x7fffbdffc640 (LWP 9173) exited]
WARNING: this host does not send sample-rate information for LV2 UIs, using 44100 as fallback (this could be wrong)
[New Thread 0x7fffbdffc640 (LWP 9195)]
[New Thread 0x7fff5c6c4640 (LWP 9196)]
[INFO] Opened the zynaddsubfx UI...
[INFO] Ready to run
[New Thread 0x7fff5b9ff640 (LWP 9197)]
[INFO:Zyn] zest_open()
[INFO:Zyn] zest_open(osc.udp://127.0.0.1:16560)
[ERROR:Zyn] QML Not Found At "/usr/lib/zynaddsubfx/./qml/MainWindow.qml"...
[ERROR:Zyn] Zyn Fusion Assets Missing, Please Check Install...
[Thread 0x7fff5b9ff640 (LWP 9197) exited]
[Thread 0x7fff5c6c4640 (LWP 9196) exited]
[Thread 0x7fffbdffc640 (LWP 9195) exited]

Thread 27 "RT-1-(nil)" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffbcffa640 (LWP 9180)]
0x00007fffebe08530 in ?? () from /opt/Ardour-7.1.0/lib/liblilv-0.so.0
(gdb) thread apply all bt

Thread 40 (Thread 0x7fff727fc640 (LWP 9194) "AutomationWatch"):
#0  0x00007fffe9293868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff727fbbd0, rem=0x7fff727fbbe0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe92986e7 in __GI___nanosleep (req=<optimised out>, rem=<optimised out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007ffff2a84a38 in g_usleep () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#3  0x00007ffff6a9aa60 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 39 (Thread 0x7fff72ffd640 (LWP 9193) "autoconnect"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55555937b0d8) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555937b0d8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555937b0d8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fffe9241ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555937b088, cond=0x55555937b0b0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55555937b0b0, mutex=0x55555937b088) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff6f46683 in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#6  0x00007ffff6f46858 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#7  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#8  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 38 (Thread 0x7fff737fe640 (LWP 9192) "SessionSignals"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55555937b068) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555937b068) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555937b068, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007fffe9241ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555937b018, cond=0x55555937b040) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55555937b040, mutex=0x55555937b018) at ./nptl/pthread_cond_wait.c:627
#5  0x00007ffff6fc4963 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#6  0x00007ffff6fc4998 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#7  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#8  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 37 (Thread 0x7fff73fff640 (LWP 9191) "ZynMiddleWare"):
#0  0x00007fffe9293868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=req@entry=0x7fff73ffec10, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe92986e7 in __GI___nanosleep (req=req@entry=0x7fff73ffec10, rem=rem@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007fffe92ca0df in usleep (useconds=<optimised out>) at ../sysdeps/posix/usleep.c:31
#3  0x00007fffbfa3ed56 in ?? () from /usr/lib/lv2/ZynAddSubFX.lv2/ZynAddSubFX.so
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 35 (Thread 0x7fff7affd640 (LWP 9189) "LV2Worker"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff70b42f3 in ARDOUR::Worker::run() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 34 (Thread 0x7fff9d7fa640 (LWP 9188) "midiUI"):
#0  0x00007fffe92c6d7f in __GI___poll (fds=0x7fff8017a840, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2a53d66 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff2a540f2 in g_main_loop_run () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#3  0x00007ffff422e553 in BaseUI::main_thread() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 33 (Thread 0x7ffff25ff640 (LWP 9187) "butler"):
#0  0x00007fffe92c6d7f in __GI___poll (fds=0x7ffff25fea08, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4239cb7 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff4239d16 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#3  0x00007ffff6aa7b75 in ARDOUR::Butler::thread_work() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007ffff6aa8f42 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#5  0x00007ffff4265a46 in ?? () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#6  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#7  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 32 (Thread 0x7fff9dffb640 (LWP 9185) "RT-6-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 31 (Thread 0x7fff9e7fc640 (LWP 9184) "RT-5-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 30 (Thread 0x7fff9effd640 (LWP 9183) "RT-4-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 29 (Thread 0x7fff9f7fe640 (LWP 9182) "RT-3-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 28 (Thread 0x7fff9ffff640 (LWP 9181) "RT-2-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 27 (Thread 0x7fffbcffa640 (LWP 9180) "RT-1-(nil)"):
#0  0x00007fffebe08530 in ?? () from /opt/Ardour-7.1.0/lib/liblilv-0.so.0
#1  0x00007fffebe09124 in lilv_plugin_get_num_ports () from /opt/Ardour-7.1.0/lib/liblilv-0.so.0
#2  0x00007ffff70c4c86 in ARDOUR::LV2Plugin::connect_and_run(ARDOUR::BufferSet&, long, long, double, ARDOUR::ChanMapping const&, ARDOUR::ChanMapping const&, unsigned int, long) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6e5cc77 in ARDOUR::PluginInsert::connect_and_run(ARDOUR::BufferSet&, long, long, double, unsigned int, long, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007ffff6e5eb46 in ARDOUR::PluginInsert::run(ARDOUR::BufferSet&, long, long, double, unsigned int, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#5  0x00007ffff6efc400 in ARDOUR::Route::process_output_buffers(ARDOUR::BufferSet&, long, long, unsigned int, bool, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#6  0x00007ffff6eff542 in ARDOUR::Route::run_route(long, long, unsigned int, bool, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#7  0x00007ffff6f00796 in ARDOUR::Route::no_roll_unlocked(unsigned int, long, long, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#8  0x00007ffff6dc73c4 in ARDOUR::MidiTrack::no_roll_unlocked(unsigned int, long, long, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#9  0x00007ffff6efd599 in ARDOUR::Route::no_roll(unsigned int, long, long, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#10 0x00007ffff6b83f81 in ARDOUR::Graph::process_one_route(ARDOUR::Route*) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#11 0x00007ffff6b8d802 in ARDOUR::GraphNode::run(ARDOUR::GraphChain const*) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#12 0x00007ffff6b838ac in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#13 0x00007ffff6b83b10 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#14 0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#15 0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#16 0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 26 (Thread 0x7fffbd7fb640 (LWP 9179) "RT-main-(nil)"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b838ed in ARDOUR::Graph::run_one() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6b83cf8 in ARDOUR::Graph::main_thread() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007fffc741ffe1 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 25 (Thread 0x7fffbeffe640 (LWP 9178) "pool"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4f61 in g_cond_wait_until () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff2a1f3fb in g_async_queue_timeout_pop () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#3  0x00007ffff2a83a14 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#4  0x00007ffff2a831e5 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 21 (Thread 0x7fffbe7fd640 (LWP 9166) "pw-ardour"):
#0  0x00007fffe92d3fde in epoll_wait (epfd=6, events=0x7fffbe7fc840, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007ffff5c74918 in ?? () from /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#2  0x00007ffff5c67d7c in ?? () from /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#3  0x00007ffff55b127a in ?? () from /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 20 (Thread 0x7fffc4ffe640 (LWP 9165) "audioengine"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff426a67a in PBD::Semaphore::wait() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff6b83e36 in ARDOUR::Graph::routes_no_roll(boost::shared_ptr<ARDOUR::GraphChain>, unsigned int, long, long, bool) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff6fc1dee in ARDOUR::Session::no_roll(unsigned int) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007ffff6fc327c in ARDOUR::Session::process_without_events(unsigned int) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#5  0x00007ffff6fc3c93 in ARDOUR::Session::process_with_events(unsigned int) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#6  0x00007ffff6fc4aeb in ARDOUR::Session::process(unsigned int) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#7  0x00007ffff6a550a8 in ARDOUR::AudioEngine::process_callback(unsigned int) () from /opt/Ardour-7.1.0/lib/libardour.so.3
#8  0x00007fffc741fa1b in ARDOUR::JACKAudioBackend::process_thread() () from /opt/Ardour-7.1.0/lib/backends/libjack_audiobackend.so
#9  0x00007ffff5c67e33 in ?? () from /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#10 0x00007ffff5566226 in ?? () from /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#11 0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#12 0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 17 (Thread 0x7fffc57ff640 (LWP 9162) "gmain"):
#0  0x00007fffe92c6d7f in __GI___poll (fds=0x555556c202f0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2a53d66 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff2a53e7c in g_main_context_iteration () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#3  0x00007ffff2a53ec1 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#4  0x00007ffff2a831e5 in ?? () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#5  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#6  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7fffbf7ff640 (LWP 9154) "DeviceList"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4e4c in g_cond_wait () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff6a53f43 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
Thread 8 (Thread 0x7fffc9fff640 (LWP 9153) "EngineWatchdog"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4e4c in g_cond_wait () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff6a5635d in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7fffe1489640 (LWP 9151) "Analyzer"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4e4c in g_cond_wait () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff6a1430b in ARDOUR::Analyser::work() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7fffe1c8a640 (LWP 9150) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4e4c in g_cond_wait () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff7043323 in ?? () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7fffe248b640 (LWP 9149) "PeakFileBuilder"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff2aa4e4c in g_cond_wait () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#2  0x00007ffff7043323 in ?? () from /opt/Ardour-7.1.0/lib/libardour.so.3
#3  0x00007ffff4266276 in PBD::Thread::_run(void*) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7fffe2c8c640 (LWP 9148) "LXVSTEventLoop"):
#0  0x00007fffe9293868 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffe2c8ba60, rem=0x7fffe2c8ba70) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007fffe92986e7 in __GI___nanosleep (req=<optimised out>, rem=<optimised out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007ffff2a84a38 in g_usleep () from /opt/Ardour-7.1.0/lib/libglib-2.0.so.0
#3  0x00005555562dd25b in ?? ()
#4  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#5  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7ffff6131640 (LWP 9147) "Trigger Worker"):
#0  0x00007fffe92c6d7f in __GI___poll (fds=0x7ffff6130b28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff4239cb7 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#2  0x00007ffff4239d16 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#3  0x00007ffff708fc1c in ARDOUR::TriggerBoxThread::thread_work() () from /opt/Ardour-7.1.0/lib/libardour.so.3
#4  0x00007ffff708fefe in ARDOUR::TriggerBoxThread::_thread_work(void*) () from /opt/Ardour-7.1.0/lib/libardour.so.-
#5  0x00007ffff4265a46 in ?? () from /opt/Ardour-7.1.0/lib/libpbd.so.4
#6  0x00007fffe9242b43 in start_thread (arg=<optimised out>) at ./nptl/pthread_create.c:442
#7  0x00007fffe92d4a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7ffff7a4c940 (LWP 9144) "ArdourGUI"):
#0  0x00007fffeb6047f9 in zix_digest_add () from /opt/Ardour-7.1.0/lib/libsord-0.so.0
#1  0x00007fffeb604827 in ?? () from /opt/Ardour-7.1.0/lib/libsord-0.so.0
#2  0x00007fffeb604c8b in zix_hash_remove () from /opt/Ardour-7.1.0/lib/libsord-0.so.0
#3  0x00007fffeb6057dd in sord_free () from /opt/Ardour-7.1.0/lib/libsord-0.so.0
#4  0x00007fffebe1050c in lilv_world_free () from /opt/Ardour-7.1.0/lib/liblilv-0.so.0
#5  0x00007fffe91f3a56 in __cxa_finalize (d=0x7ffff75c5c20) at ./stdlib/cxa_finalize.c:83
#6  0x00007ffff6a0cc83 in ?? () from /opt/Ardour-7.1.0/lib/libardour.so.3
#7  0x00007fffffffbc80 in ?? ()
#8  0x00007ffff7fc924e in _dl_fini () at ./elf/dl-fini.c:142
Backtrace stopped: frame did not save the PC