--Type for more, q to quit, c to continue without paging--RET Thread 1 "ArdourGUI" received signal SIGSEGV, Segmentation fault. 0x00007ffff7058702 in ArdourCanvas::Item::get_data(std::__cxx11::basic_string, std::allocator > const&) const () from /usr/local/lib/ardour6/libcanvas.so.0 (gdb) thread apply all bt 3. Thread 77 (Thread 0x7fff49ffb700 (LWP 37647)): #0 0x00007ffff54893bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff49ffa970, rem=0x7fff49ffa980) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007ffff548f047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007ffff6b8b547 in g_usleep () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff764cbb8 in ARDOUR::AutomationWatch::thread() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #5 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 76 (Thread 0x7fff68f38700 (LWP 37646)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x555558f3ae38) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555558f3ade8, cond=0x555558f3ae10) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555558f3ae10, mutex=0x555558f3ade8) at pthread_cond_wait.c:638 #3 0x00007ffff7ad86f1 in ARDOUR::Session::auto_connect_thread_run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7ad879c in ARDOUR::Session::auto_connect_thread(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 75 (Thread 0x7fffd6310700 (LWP 37645)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x555558f3adc8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555558f3ad78, cond=0x555558f3ada0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555558f3ada0, mutex=0x555558f3ad78) at pthread_cond_wait.c:638 #3 0x00007ffff7b451b3 in ARDOUR::Session::emit_thread_run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7b451ec in ARDOUR::Session::emit_thread(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 74 (Thread 0x7fffb3fff700 (LWP 37644)): #0 0x00007ffff54beaff in __GI___poll (fds=0x7fff8000fc10, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff6b6036e in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff6b606f3 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 --Type for more, q to quit, c to continue without paging--3.RET #3 0x00007ffff6ddcdee in BaseUI::main_thread() () at /usr/local/lib/ardour6/libpbd.so.4 #4 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #5 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 73 (Thread 0x7fffd5a60700 (LWP 37643)): #0 0x00007ffff54beaff in __GI___poll (fds=0x7fffd5a5f5e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff6de882e in CrossThreadChannel::poll_for_request() () at /usr/local/lib/ardour6/libpbd.so.4 #2 0x00007ffff6de88b2 in CrossThreadChannel::receive(char&, bool) () at /usr/local/lib/ardour6/libpbd.so.4 #3 0x00007ffff765b123 in ARDOUR::Butler::thread_work() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff765c94f in ARDOUR::Butler::_thread_work(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff6e09f0a in fake_thread_start(void*) () at /usr/local/lib/ardour6/libpbd.so.4 #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 72 (Thread 0x7fffac780700 (LWP 37642)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 71 (Thread 0x7fffac6ff700 (LWP 37641)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 --Type for more, q to quit, c to continue without paging--RET #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 70 (Thread 0x7fffac67e700 (LWP 37640)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 69 (Thread 0x7fffac5fd700 (LWP 37639)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91328) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91328, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91328, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff772790c in ARDOUR::Graph::reached_terminal_node() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 68 (Thread 0x7fffac57c700 (LWP 37638)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 --Type for more, q to quit, c to continue without paging--RET #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 67 (Thread 0x7fffac4fb700 (LWP 37637)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 66 (Thread 0x7fffac47a700 (LWP 37636)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7727ce0 in ARDOUR::Graph::helper_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 65 (Thread 0x7fffac3f9700 (LWP 37635)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555556b91300) at ../sysdeps/nptl/futex-inter--Type for more, q to quit, c to continue without paging--RET nal.h:320 #1 do_futex_wait (sem=sem@entry=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x555556b91300, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7727a5e in ARDOUR::Graph::run_one() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7728148 in ARDOUR::Graph::main_thread() () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007fffec7251f7 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 64 (Thread 0x7fffd508ac40 (LWP 37634)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 63 (Thread 0x7fffd503ac40 (LWP 37633)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 62 (Thread 0x7fffd502ec40 (LWP 37632)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 --Type for more, q to quit, c to continue without paging--RET #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 61 (Thread 0x7fffac7bbc40 (LWP 37631)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 60 (Thread 0x7fffac7afc40 (LWP 37630)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 59 (Thread 0x7fffac7a3c40 (LWP 37629)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 --Type for more, q to quit, c to continue without paging--RET #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 58 (Thread 0x7fffac797c40 (LWP 37628)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 57 (Thread 0x7fffac78bc40 (LWP 37627)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555aac1760) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff5c3f4e8 in __new_sem_wait_slow (sem=0x55555aac1760, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff7abd748 in ARDOUR::RTTaskList::run() () at /usr/local/lib/ardour6/libardour.so.3 #4 0x00007ffff7abdaac in ARDOUR::RTTaskList::_thread_run(void*) () at /usr/local/lib/ardour6/libardour.so.3 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 56 (Thread 0x7fff48ff9700 (LWP 37621)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad746 in g_cond_wait_until () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff6b30581 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff6b30ba6 in g_async_queue_timeout_pop () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007ffff6b8a419 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 23 (Thread 0x7fffad19f700 (LWP 37555)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 --Type for more, q to quit, c to continue without paging--RET #1 0x00007fffec4e5d67 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007fffec4d03e5 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffec4cecd9 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffec7238fa in ARDOUR::JACKAudioBackend::process_thread() () at /usr/local/lib/ardour6/backends/libjack_audiobackend.so #5 0x00007fffec4cec3a in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007fffec4e3ed6 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #7 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7fffd501f700 (LWP 37554)): #0 __libc_read (nbytes=4, buf=0x7fffd501e840, fd=20) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __libc_read (fd=20, buf=0x7fffd501e840, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007fffec4e518e in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffec4ea111 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffec4e3ed6 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7fffd5214700 (LWP 37553)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x555556da7a68) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555556da7a10, cond=0x555556da7a40) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x555556da7a40, mutex=0x555556da7a10) at pthread_cond_wait.c:638 #3 0x00007fffec4e48ec in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffec4def05 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007fffec4e3ed6 in () at /usr/lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7fffd6b11700 (LWP 37536)): #0 0x00007ffff54beaff in __GI___poll (fds=0x5555570b6680, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff6b6036e in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff6b606f3 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff48edf8a in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 --Type for more, q to quit, c to continue without paging--RET #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fffd7312700 (LWP 37535)): #0 0x00007ffff54beaff in __GI___poll (fds=0x5555570a8370, nfds=2, timeout=5246) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff6b6036e in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff6b604a3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff6b604f1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fffed16e700 (LWP 37533)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad623 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff75fca94 in ARDOUR::AudioEngine::do_devicelist_update() () at /usr/local/lib/ardour6/libardour.so.3 #3 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fffed988700 (LWP 37532)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad623 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff75ff1ff in ARDOUR::AudioEngine::do_reset_backend() () at /usr/local/lib/ardour6/libardour.so.3 #3 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fffeebe1700 (LWP 37528)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad623 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff75bfecf in ARDOUR::Analyser::work() () at /usr/local/lib/ardour6/libardour.so.3 --Type for more, q to quit, c to continue without paging--RET #3 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fffef3e2700 (LWP 37527)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad623 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff7bbbc4f in peak_thread_work() () at /usr/local/lib/ardour6/libardour.so.3 #3 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fffefbe3700 (LWP 37526)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff6bad623 in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007ffff7bbbc4f in peak_thread_work() () at /usr/local/lib/ardour6/libardour.so.3 #3 0x00007ffff6cedda2 in () at /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #4 0x00007ffff6b89ad1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7ffff03e4700 (LWP 37525)): #0 0x00007ffff54893bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7ffff03e3810, rem=0x7ffff03e3820) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007ffff548f047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007ffff6b8b547 in g_usleep () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00005555564107ae in gui_event_loop(void*) () #4 0x00007ffff5c35609 in start_thread (arg=) at pthread_create.c:477 #5 0x00007ffff54cb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7ffff0fdac40 (LWP 37523)): #0 0x00007ffff7058702 in ArdourCanvas::Item::get_data(std::__cxx11::basic_string, std::allocator > const--Type for more, q to quit, c to continue without paging--RET &) const () at /usr/local/lib/ardour6/libcanvas.so.0 #1 0x0000555555c7dc09 in Editor::enter_handler(ArdourCanvas::Item*, _GdkEvent*, ItemType) () #2 0x00007ffff7052003 in ArdourCanvas::GtkCanvas::deliver_enter_leave(ArdourCanvas::Duple const&, int) () at /usr/local/lib/ardour6/libcanvas.so.0 #3 0x00007ffff70523c5 in ArdourCanvas::GtkCanvas::pick_current_item(ArdourCanvas::Duple const&, int) () at /usr/local/lib/ardour6/libcanvas.so.0 #4 0x00007ffff704fdfb in ArdourCanvas::GtkCanvas::on_motion_notify_event(_GdkEventMotion*) () at /usr/local/lib/ardour6/libcanvas.so.0 #5 0x00007ffff627c999 in Gtk::Widget_Class::motion_notify_event_callback(_GtkWidget*, _GdkEventMotion*) () at /usr/lib/x86_64-linux-gnu/libgtkmm-2.4.so.1 #6 0x00007ffff67e8b9b in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #7 0x00007ffff6c4b802 in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #8 0x00007ffff6c5ef96 in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #9 0x00007ffff6c6a47d in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #10 0x00007ffff6c6b0f3 in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #11 0x00007ffff690422d in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #12 0x00007ffff67e6ccc in gtk_propagate_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #13 0x00007ffff67e70c3 in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #14 0x00007ffff664d6d0 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #15 0x00007ffff6b6017d in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007ffff6b60400 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007ffff6b606f3 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007ffff67e6092 in gtk_main () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #19 0x00007ffff6eb4833 in Gtkmm2ext::UI::run(Receiver&) () at /usr/local/lib/ardour6/libgtkmm2ext.so.0 #20 0x0000555555a513ad in main ()