Thread 31 (Thread 0x7efbefc30700 (LWP 61383)): #0 0x00007efc18db7aff in __GI___poll (fds=0x7efbefc2fae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007efc20230017 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #2 0x00007efc20230076 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #3 0x00007efc219ea026 in ARDOUR::Butler::thread_work() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc219eb1d2 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc202589e6 in ?? () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7efc1449c700 (LWP 61114)): #0 0x00007efc18d823bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7efc1449bb40, rem=0x7efc1449bb50) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007efc18d88047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007efc1f0d9a38 in g_usleep () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00005582655488fb in ?? () #4 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #5 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7efc0069c700 (LWP 61138)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x5582689a2458) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5582689a2400, cond=0x5582689a2430) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5582689a2430, mutex=0x5582689a2400) at pthread_cond_wait.c:638 #3 0x00007efc01441382 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007efc01438dfd in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007efc01440870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7efc13c9b700 (LWP 61115)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc21f18e67 in ?? () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7efc10c5e700 (LWP 61119)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc219989bd in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 26 (Thread 0x7efbcd9a0700 (LWP 61388)): #0 0x00007efc18d823bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7efbcd99fcc0, rem=0x7efbcd99fcd0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007efc18d88047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007efc1f0d9a38 in g_usleep () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007efc219dc8a0 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #5 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 25 (Thread 0x7efc02d0f700 (LWP 61120)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc21996863 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 24 (Thread 0x7efbefcb1700 (LWP 61382)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 23 (Thread 0x7efbcd19f700 (LWP 61384)): #0 0x00007efc18db7aff in __GI___poll (fds=0x7efba400fa50, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007efc1f0a8d66 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc1f0a90f2 in g_main_loop_run () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007efc20225b52 in BaseUI::main_thread() () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #4 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #5 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7efbedf8a700 (LWP 61140)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc014425bc in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007efc014426c5 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007efc01428b79 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007efc01427463 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007efc01482280 in ARDOUR::JACKAudioBackend::process_thread() () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc014273c7 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #7 0x00007efc01440870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #8 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #9 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7efbef7fe700 (LWP 61128)): #0 0x00007efc18db7aff in __GI___poll (fds=0x558267941c20, nfds=2, timeout=1404) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007efc1f0a8d66 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc1f0a8e7c in g_main_context_iteration () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007efc1f0a8ec1 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7efb8ebb4700 (LWP 61387)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x558278a909a8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558278a90958, cond=0x558278a90980) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x558278a90980, mutex=0x558278a90958) at pthread_cond_wait.c:638 #3 0x00007efc21e2f6e3 in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e2f8b8 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 19 (Thread 0x7efbefd32700 (LWP 61381)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 18 (Thread 0x7efbeffc2900 (LWP 61375)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 17 (Thread 0x7efbeeffd700 (LWP 61386)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x558278a9093c) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558278a908e8, cond=0x558278a90910) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x558278a90910, mutex=0x558278a908e8) at pthread_cond_wait.c:638 #3 0x00007efc21ea5ce3 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21ea5d18 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 16 (Thread 0x7efbeffce900 (LWP 61374)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 15 (Thread 0x7efbefeb5700 (LWP 61378)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 14 (Thread 0x7efc00012900 (LWP 61369)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7efbeffda900 (LWP 61373)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7efc1349a700 (LWP 61116)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc21f18e67 in ?? () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7efbefe34700 (LWP 61379)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c80) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c80, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c80, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfb06 in ARDOUR::Graph::reached_terminal_node() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abfc78 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #6 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #7 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7efbefff2900 (LWP 61371)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7efbeffe6900 (LWP 61372)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7efc004a7700 (LWP 61139)): #0 __libc_read (nbytes=4, buf=0x7efc004a6b80, fd=17) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __libc_read (fd=17, buf=0x7efc004a6b80, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007efc01441b12 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007efc014469ed in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007efc01440870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7efc12c99700 (LWP 61117)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc21957a07 in ARDOUR::Analyser::work() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007efc1f642c4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7efbeffb7700 (LWP 61376)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21ac0220 in ARDOUR::Graph::main_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7efbcc99e700 (LWP 61357)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007efc1f0f9f61 in g_cond_wait_until () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007efc1f0743fb in g_async_queue_timeout_pop () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007efc1f0d8a14 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #4 0x00007efc1f0d81e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7efbefdb3700 (LWP 61380)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7efbefffe900 (LWP 61370)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270be9d40) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270be9d40, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21e15d09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21e16128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7efbeff36700 (LWP 61377)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x558270c46c58) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007efc1b1d34e8 in __new_sem_wait_slow (sem=0x558270c46c58, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007efc21abfcc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007efc21abff38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007efc01482d81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007efc1b1c9609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007efc18dc4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7efc1507bd40 (LWP 61108)): #0 0x00007efc20a7a94c in ArdourCanvas::Item::position_offset() const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #1 0x00007efc20a7aad9 in ArdourCanvas::Item::item_to_canvas(ArdourCanvas::Duple const&) const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #2 0x00007efc20a7ab64 in ArdourCanvas::Item::canvas_origin() const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #3 0x000055826504d14e in ?? () #4 0x0000558264d36b0a in ?? () #5 0x0000558264d36d60 in ?? () #6 0x0000558264d36f7c in ?? () #7 0x00007efc1f0a8a2a in g_main_context_dispatch () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #8 0x00007efc1f0a8dd0 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #9 0x00007efc1f0a8e7c in g_main_context_iteration () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #10 0x00007efc1e699601 in gtk_main_iteration () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #11 0x00007efc204f77e5 in Gtkmm2ext::UI::flush_pending(float) () from /opt/Ardour-6.8.0/lib/libgtkmm2ext.so.0 #12 0x0000558264c88b0c in ?? () #13 0x0000558264c89b02 in ?? () #14 0x0000558264c8b5b4 in ?? () #15 0x00007efc1c7fc5f5 in ?? () from /opt/Ardour-6.8.0/lib/libgtkmm-2.4.so.1 #16 0x00007efc1f3b7945 in g_closure_invoke () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #17 0x00007efc1f3c901b in ?? () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #18 0x00007efc1f3d2c30 in g_signal_emit_valist () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #19 0x00007efc1f3d3082 in g_signal_emit () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #20 0x00007efc1e5f780c in gtk_dialog_response () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #21 0x00005582653adfbc in ?? () #22 0x00007efc1f651c88 in Glib::SignalProxyNormal::slot0_void_callback(_GObject*, void*) () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #23 0x00007efc1f3b7b74 in ?? () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #24 0x00007efc1f3d2904 in g_signal_emit_valist () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #25 0x00007efc1f3d3082 in g_signal_emit () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #26 0x00007efc1f3b7945 in g_closure_invoke () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #27 0x00007efc1f3c8bf2 in ?? () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #28 0x00007efc1f3d2c30 in g_signal_emit_valist () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #29 0x00007efc1f3d3082 in g_signal_emit () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #30 0x00007efc1e5f60d4 in ?? () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #31 0x00007efc1f3b7b74 in ?? () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #32 0x00007efc1f3d2904 in g_signal_emit_valist () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #33 0x00007efc1f3d3082 in g_signal_emit () from /opt/Ardour-6.8.0/lib/libgobject-2.0.so.0 #34 0x00007efc1e5b4ad2 in ?? () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #35 0x00007efc1e263807 in ?? () from /opt/Ardour-6.8.0/lib/libgdk-x11-2.0.so.0 #36 0x00007efc1f0a95a9 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #37 0x00007efc1f0a8a2a in g_main_context_dispatch () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #38 0x00007efc1f0a8dd0 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #39 0x00007efc1f0a90f2 in g_main_loop_run () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #40 0x00007efc1e6993e7 in gtk_main () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #41 0x00007efc204f5a55 in Gtkmm2ext::UI::run(Receiver&) () from /opt/Ardour-6.8.0/lib/libgtkmm2ext.so.0 #42 0x0000558264be13fb in ?? () #43 0x00007efc18cc90b3 in __libc_start_main (main=0x558264be1000, argc=1, argv=0x7ffd203af9f8, init=, fini=, rtld_fini=, stack_end=0x7ffd203af9e8) at ../csu/libc-start.c:308 #44 0x0000558264be7fda in ?? () [New LWP 62301] [New LWP 62360] [New LWP 62359] [New LWP 62312] [New LWP 62346] [New LWP 62350] [New LWP 62339] [New LWP 62343] [New LWP 62361] [New LWP 62348] [New LWP 62307] [New LWP 62351] [New LWP 62347] [New LWP 62313] [New LWP 62338] [New LWP 62309] [New LWP 62358] [New LWP 62342] [New LWP 62340] [New LWP 62341] [New LWP 62349] [New LWP 62329] [New LWP 62345] [New LWP 62344] [New LWP 62357] [New LWP 62354] [New LWP 62356] [New LWP 62327] [New LWP 62352] [New LWP 62353] [New LWP 62321] [New LWP 62363] [New LWP 62308] [New LWP 62362] [New LWP 62328] [New LWP 62355] [New LWP 62310] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/opt/Ardour-6.8.0/bin/ardour-6.8.0'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f3ac5335e00 in ArdourCanvas::Item::add_child_bounding_boxes(bool) const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 [Current thread is 1 (Thread 0x7f3ab9935d40 (LWP 62301))] Thread 37 (Thread 0x7f3ab37fe700 (LWP 62310)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6211a07 in ARDOUR::Analyser::work() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 36 (Thread 0x7f3a7499e700 (LWP 62355)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x55791bf30e8c) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55791bf30e38, cond=0x55791bf30e60) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55791bf30e60, mutex=0x55791bf30e38) at pthread_cond_wait.c:638 #3 0x00007f3ac66e96e3 in ARDOUR::Session::auto_connect_thread_run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66e98b8 in ARDOUR::Session::auto_connect_thread(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 35 (Thread 0x7f3aa8562700 (LWP 62328)): #0 __libc_read (nbytes=4, buf=0x7f3aa8561b80, fd=17) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __libc_read (fd=17, buf=0x7f3aa8561b80, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007f3aa9cfdb12 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007f3aa9d029ed in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007f3aa9cfc870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 34 (Thread 0x7f3a5cbf9700 (LWP 62362)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6d7e68d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #3 0x00007f3ac6d7e743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #4 0x00007f3ac6d7e9eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #5 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #6 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 33 (Thread 0x7f3ab3fff700 (LWP 62308)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac67d2e67 in ?? () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 32 (Thread 0x7f3a27fff700 (LWP 62363)): #0 0x00007f3abc09f4bb in ?? () from /opt/Ardour-6.8.0/lib/libpixman-1.so.0 #1 0x00007f3abbff2a37 in pixman_image_composite32 () from /opt/Ardour-6.8.0/lib/libpixman-1.so.0 #2 0x00007f3ac23af3cc in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #3 0x00007f3ac2406a49 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #4 0x00007f3ac2406e9e in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #5 0x00007f3ac23a11f9 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #6 0x00007f3ac240c83c in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #7 0x00007f3ac23aa4cc in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #8 0x00007f3ac2399f66 in cairo_mask_surface () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #9 0x00007f3ac01d1274 in Cairo::Context::mask(Cairo::RefPtr const&, double, double) () from /opt/Ardour-6.8.0/lib/libcairomm-1.0.so.1 #10 0x00007f3ac6d77da4 in ArdourWaveView::WaveView::draw_image(Cairo::RefPtr&, ARDOUR::PeakData*, int, boost::shared_ptr) () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #11 0x00007f3ac6d78def in ArdourWaveView::WaveView::process_draw_request(boost::shared_ptr) () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #12 0x00007f3ac6d7ea24 in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #13 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #14 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #15 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #16 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 31 (Thread 0x7f3aa3fff700 (LWP 62321)): #0 0x00007f3abd671aff in __GI___poll (fds=0x557916d2c170, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f3ac3962d66 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac3962e7c in g_main_context_iteration () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007f3ac3962ec1 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7f3aa37fe700 (LWP 62353)): #0 0x00007f3abd671aff in __GI___poll (fds=0x7f3a3417a820, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f3ac3962d66 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac39630f2 in g_main_loop_run () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007f3ac4adfb52 in BaseUI::main_thread() () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #4 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #5 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7f3aa096e700 (LWP 62352)): #0 0x00007f3abd671aff in __GI___poll (fds=0x7f3aa096dae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f3ac4aea017 in CrossThreadChannel::poll_for_request() () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #2 0x00007f3ac4aea076 in CrossThreadChannel::receive(char&, bool) () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #3 0x00007f3ac62a4026 in ARDOUR::Butler::thread_work() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac62a51d2 in ARDOUR::Butler::_thread_work(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3ac4b129e6 in ?? () from /opt/Ardour-6.8.0/lib/libpbd.so.4 #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7f3aa8757700 (LWP 62327)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x557916f11e48) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x557916f11df0, cond=0x557916f11e20) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x557916f11e20, mutex=0x557916f11df0) at pthread_cond_wait.c:638 #3 0x00007f3aa9cfd382 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007f3aa9cf4dfd in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007f3aa9cfc870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7f3a5ffff700 (LWP 62356)): #0 0x00007f3abd63c3bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7f3a5fffecc0, rem=0x7f3a5fffecd0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007f3abd642047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007f3ac3993a38 in g_usleep () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x00007f3ac62968a0 in ARDOUR::AutomationWatch::thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #5 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 26 (Thread 0x7f3aa8ff4700 (LWP 62354)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x55791bf30e1c) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55791bf30dc8, cond=0x55791bf30df0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x55791bf30df0, mutex=0x55791bf30dc8) at pthread_cond_wait.c:638 #3 0x00007f3ac675fce3 in ARDOUR::Session::emit_thread_run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac675fd18 in ARDOUR::Session::emit_thread(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 25 (Thread 0x7f3a5f3fe700 (LWP 62357)): #0 0x00007f3ac238df4d in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #1 0x00007f3ac238ee07 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #2 0x00007f3ac23903ea in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #3 0x00007f3ac23d7574 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #4 0x00007f3ac2407050 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #5 0x00007f3ac23a132e in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #6 0x00007f3ac23beb22 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #7 0x00007f3ac240cad3 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #8 0x00007f3ac23aa84a in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #9 0x00007f3ac23a3299 in ?? () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #10 0x00007f3ac239a02a in cairo_stroke () from /opt/Ardour-6.8.0/lib/libcairo.so.2 #11 0x00007f3ac01d129d in Cairo::Context::stroke() () from /opt/Ardour-6.8.0/lib/libcairomm-1.0.so.1 #12 0x00007f3ac6d77ad7 in ArdourWaveView::WaveView::draw_image(Cairo::RefPtr&, ARDOUR::PeakData*, int, boost::shared_ptr) () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #13 0x00007f3ac6d78def in ArdourWaveView::WaveView::process_draw_request(boost::shared_ptr) () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #14 0x00007f3ac6d7ea24 in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #15 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #16 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #17 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #18 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 24 (Thread 0x7f3aa0d00900 (LWP 62344)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 23 (Thread 0x7f3aa0cf5700 (LWP 62345)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac637a220 in ARDOUR::Graph::main_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7f3aa27fc700 (LWP 62329)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3aa9cfe5bc in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007f3aa9cfe6c5 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007f3aa9ce4b79 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007f3aa9ce3463 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007f3aa9d3e280 in ARDOUR::JACKAudioBackend::process_thread() () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3aa9ce33c7 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #7 0x00007f3aa9cfc870 in ?? () from /lib/x86_64-linux-gnu/libjack.so.0 #8 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #9 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7f3aa0af1700 (LWP 62349)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7f3aa0d24900 (LWP 62341)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 19 (Thread 0x7f3aa0d30900 (LWP 62340)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 18 (Thread 0x7f3aa0d18900 (LWP 62342)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 17 (Thread 0x7f3a5ebfd700 (LWP 62358)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6d7e68d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #3 0x00007f3ac6d7e743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #4 0x00007f3ac6d7e9eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #5 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #6 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 16 (Thread 0x7f3aab7fe700 (LWP 62309)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac67d2e67 in ?? () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 15 (Thread 0x7f3aa0d48900 (LWP 62338)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 14 (Thread 0x7f3aaaffd700 (LWP 62313)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6250863 in ARDOUR::AudioEngine::do_devicelist_update() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7f3aa0bf3700 (LWP 62347)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7f3aa09ef700 (LWP 62351)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f90) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f90, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f90, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379b06 in ARDOUR::Graph::reached_terminal_node() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379c78 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #6 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7f3ab8d56700 (LWP 62307)): #0 0x00007f3abd63c3bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7f3ab8d55b40, rem=0x7f3ab8d55b50) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78 #1 0x00007f3abd642047 in __GI___nanosleep (requested_time=, remaining=) at nanosleep.c:27 #2 0x00007f3ac3993a38 in g_usleep () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #3 0x000055791620b8a4 in ?? () #4 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #5 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7f3aa0b72700 (LWP 62348)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f3a5d3fa700 (LWP 62361)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6d7e68d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #3 0x00007f3ac6d7e743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #4 0x00007f3ac6d7e9eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #5 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #6 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f3aa0d0c900 (LWP 62343)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f3aa0d3c900 (LWP 62339)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x557917aea030) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x557917aea030, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac66cfd09 in ARDOUR::RTTaskList::run() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac66d0128 in ARDOUR::RTTaskList::_thread_run(void*) () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f3aa0a70700 (LWP 62350)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f3aa0c74700 (LWP 62346)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55791c411f68) at ../sysdeps/nptl/futex-internal.h:320 #1 do_futex_wait (sem=sem@entry=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f3abfa8d4e8 in __new_sem_wait_slow (sem=0x55791c411f68, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007f3ac6379cc4 in ARDOUR::Graph::run_one() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #4 0x00007f3ac6379f38 in ARDOUR::Graph::helper_thread() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #5 0x00007f3aa9d3ed81 in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /opt/Ardour-6.8.0/lib/backends/libjack_audiobackend.so #6 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #7 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f3ab1c7f700 (LWP 62312)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac62529bd in ARDOUR::AudioEngine::do_reset_backend() () from /opt/Ardour-6.8.0/lib/libardour.so.3 #3 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #4 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #5 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f3a5e3fc700 (LWP 62359)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6d7e68d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #3 0x00007f3ac6d7e743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #4 0x00007f3ac6d7e9eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #5 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #6 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f3a5dbfb700 (LWP 62360)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f3ac39b3e4c in g_cond_wait () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #2 0x00007f3ac6d7e68d in ArdourWaveView::WaveViewThreads::_dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #3 0x00007f3ac6d7e743 in ArdourWaveView::WaveViewThreads::dequeue_draw_request() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #4 0x00007f3ac6d7e9eb in ArdourWaveView::WaveViewThreads::_thread_proc() () from /opt/Ardour-6.8.0/lib/libwaveview.so.0 #5 0x00007f3ac3efcc4d in ?? () from /opt/Ardour-6.8.0/lib/libglibmm-2.4.so.1 #6 0x00007f3ac39921e5 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #7 0x00007f3abfa83609 in start_thread (arg=) at pthread_create.c:477 #8 0x00007f3abd67e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f3ab9935d40 (LWP 62301)): #0 0x00007f3ac5335e00 in ArdourCanvas::Item::add_child_bounding_boxes(bool) const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #1 0x00007f3ac533604b in ArdourCanvas::Item::bounding_box(bool) const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #2 0x00007f3ac53362c5 in ArdourCanvas::Item::begin_change() () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #3 0x00007f3ac53421c3 in ArdourCanvas::Line::set_x0(double) () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 #4 0x0000557915d101a1 in ?? () #5 0x00005579159f9b0a in ?? () #6 0x00005579159f9d60 in ?? () #7 0x00005579159f9f7c in ?? () #8 0x00007f3ac3962a2a in g_main_context_dispatch () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #9 0x00007f3ac3962dd0 in ?? () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #10 0x00007f3ac39630f2 in g_main_loop_run () from /opt/Ardour-6.8.0/lib/libglib-2.0.so.0 #11 0x00007f3ac2f533e7 in gtk_main () from /opt/Ardour-6.8.0/lib/libgtk-x11-2.0.so.0 #12 0x00007f3ac4dafa55 in Gtkmm2ext::UI::run(Receiver&) () from /opt/Ardour-6.8.0/lib/libgtkmm2ext.so.0 #13 0x00005579158a43fb in ?? () #14 0x00007f3abd5830b3 in __libc_start_main (main=0x5579158a4000, argc=1, argv=0x7fff5fde2c38, init=, fini=, rtld_fini=, stack_end=0x7fff5fde2c28) at ../csu/libc-start.c:308 #15 0x00005579158aafda in ?? () Already logging to /home/alfh/MEGA/Ardour/ardour-gdb.log. [New LWP 70022] [New LWP 70063] [New LWP 70073] [New LWP 70062] [New LWP 70069] [New LWP 70070] [New LWP 70060] [New LWP 70071] [New LWP 70080] [New LWP 70072] [New LWP 70064] [New LWP 70065] [New LWP 70035] [New LWP 70079] [New LWP 70051] [New LWP 70085] [New LWP 70030] [New LWP 70034] [New LWP 70049] [New LWP 70043] [New LWP 70077] [New LWP 70031] [New LWP 70029] [New LWP 70087] [New LWP 70078] [New LWP 70083] [New LWP 70082] [New LWP 70086] [New LWP 70028] [New LWP 70084] [New LWP 70076] [New LWP 70067] [New LWP 70088] [New LWP 70068] [New LWP 70061] [New LWP 70066] [New LWP 70050] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/opt/Ardour-6.8.0/bin/ardour-6.8.0'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007ff8a391f03e in ArdourCanvas::Item::bounding_box(bool) const () from /opt/Ardour-6.8.0/lib/libcanvas.so.0 [Current thread is 1 (Thread 0x7ff897f1ed40 (LWP 70022))]