Thread 81 (Thread 0x7ffea1ffd6c0 (LWP 336913) "AutomationWatch"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=a1@entry=0, a2=a2@entry=0, a3=, a4=, a5=a5@entry=0, a6=a6@entry=0, nr=230) at cancellation.c:49 #2 0x00007ffff2ee3452 in __GI___clock_nanosleep (clock_id=, clock_id@entry=0, flags=flags@entry=0, req=, rem=) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48 #3 0x00007ffff2eef537 in __GI___nanosleep (req=, rem=) at ../sysdeps/unix/sysv/linux/nanosleep.c:25 #4 0x00007ffff472c42f in g_usleep () from /opt/Ardour-9.2.622-demo-dbg/lib/libglib-2.0.so.0 #5 0x00007ffff6a97840 in ARDOUR::AutomationWatch::thread (this=0x55555d4ae9f0) at ../libs/ardour/automation_watch.cc:206 #6 0x00007ffff6a9ca27 in std::__invoke_impl (__f=@0x555559e21c80: (void (ARDOUR::AutomationWatch::*)(ARDOUR::AutomationWatch * const)) 0x7ffff6a977a6 , __t=@0x555559e21c90: 0x55555d4ae9f0) at /usr/include/c++/10/bits/invoke.h:73 #7 0x00007ffff6a9c780 in std::__invoke (__fn=@0x555559e21c80: (void (ARDOUR::AutomationWatch::*)(ARDOUR::AutomationWatch * const)) 0x7ffff6a977a6 ) at /usr/include/c++/10/bits/invoke.h:95 #8 0x00007ffff6a9c570 in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x555559e21c80, __args=...) at /usr/include/c++/10/functional:416 #9 0x00007ffff6a9c060 in std::_Bind::operator()<, void>() (this=0x555559e21c80) at /usr/include/c++/10/functional:499 #10 0x00007ffff6a9bbac in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #11 0x00007ffff6a9acaa in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #12 0x00007ffff6a996dd in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #13 0x0000555555dcb716 in std::function::operator() (this=0x55555f0d3c18) at /usr/include/c++/10/bits/std_function.h:622 #14 0x00007ffff49c6a33 in PBD::Thread::_run (arg=0x55555f0d3bf0) at ../libs/pbd/pthread_utils.cc:594 #15 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #16 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 80 (Thread 0x7ffea2ffe6c0 (LWP 336912) "AutoConnect"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at cancellation.c:49 #2 0x00007ffff2e9368c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bde34e4, expected=, op=, abstime=0x0, cancel=true) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55555bde34e4, expected=, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #4 0x00007ffff2e936ef in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555bde34e4, expected=, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #5 0x00007ffff2e95e5e in __pthread_cond_wait_common (cond=0x55555bde34c0, mutex=0x55555bde3498, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #6 ___pthread_cond_wait (cond=0x55555bde34c0, mutex=0x55555bde3498) at pthread_cond_wait.c:453 #7 0x00007ffff6fffc60 in ARDOUR::Session::auto_connect_thread_run (this=0x55555bde0800) at ../libs/ardour/session.cc:8081 #8 0x00007ffff6fff6a0 in ARDOUR::Session::auto_connect_thread (arg=0x55555bde0800) at ../libs/ardour/session.cc:8013 #9 0x00007ffff49c5747 in fake_thread_start (arg=0x55555c705710) at ../libs/pbd/pthread_utils.cc:199 #10 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #11 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 79 (Thread 0x7ffea3fff6c0 (LWP 336911) "SessionSignals"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=, a5=a5@entry=0, a6=a6@entry=4294967295, nr=202) at cancellation.c:49 #2 0x00007ffff2e9368c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bde3470, expected=, op=, abstime=0x0, cancel=true) at futex-internal.c:57 #3 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55555bde3470, expected=, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #4 0x00007ffff2e936ef in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55555bde3470, expected=, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #5 0x00007ffff2e95e5e in __pthread_cond_wait_common (cond=0x55555bde3450, mutex=0x55555bde3428, clockid=0, abstime=0x0) at pthread_cond_wait.c:421 #6 ___pthread_cond_wait (cond=0x55555bde3450, mutex=0x55555bde3428) at pthread_cond_wait.c:453 #7 0x00007ffff708d83b in ARDOUR::Session::emit_thread_run (this=0x55555bde0800) at ../libs/ardour/session_process.cc:1232 #8 0x00007ffff708d7da in ARDOUR::Session::emit_thread (arg=0x55555bde0800) at ../libs/ardour/session_process.cc:1222 #9 0x00007ffff49c5747 in fake_thread_start (arg=0x55556378a130) at ../libs/pbd/pthread_utils.cc:199 #10 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #11 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 78 (Thread 0x7ffea9ffd6c0 (LWP 336910) "Ctrl USB Hotplu"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49 #2 0x00007ffff2e933e4 in __syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75 #3 0x00007ffff2f0cdae in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:29 #4 0x00007ffff34f52e5 in ?? () from /opt/Ardour-9.2.622-demo-dbg/lib/libusb-1.0.so.0 #5 0x00007ffff34f6262 in libusb_handle_events_timeout_completed () from /opt/Ardour-9.2.622-demo-dbg/lib/libusb-1.0.so.0 #6 0x00007ffff34f63ea in libusb_handle_events () from /opt/Ardour-9.2.622-demo-dbg/lib/libusb-1.0.so.0 #7 0x00007ffff6ac71a0 in usb_hotplug_thread (user_data=0x555557e02130) at ../libs/ardour/control_protocol_manager.cc:90 #8 0x00007ffff49c5747 in fake_thread_start (arg=0x55556301c810) at ../libs/pbd/pthread_utils.cc:199 #9 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #10 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 77 (Thread 0x7ffeaaffe6c0 (LWP 336909) "ArdourGUI"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49 #2 0x00007ffff2e933e4 in __syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75 #3 0x00007ffff2f0cdae in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:29 #4 0x00007ffff34fcd00 in ?? () from /opt/Ardour-9.2.622-demo-dbg/lib/libusb-1.0.so.0 #5 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #6 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 76 (Thread 0x7ffeabfff6c0 (LWP 336908) "midiUI"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49 #2 0x00007ffff2e933e4 in __syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75 #3 0x00007ffff2f0cdae in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:29 #4 0x00007ffff46fdc8e in ?? () from /opt/Ardour-9.2.622-demo-dbg/lib/libglib-2.0.so.0 #5 0x00007ffff46fe023 in g_main_loop_run () from /opt/Ardour-9.2.622-demo-dbg/lib/libglib-2.0.so.0 #6 0x00007ffff495f6d3 in BaseUI::main_thread (this=0x555557bbeb90) at ../libs/pbd/base_ui.cc:101 #7 0x00007ffff49647d9 in std::__invoke_impl (__f=@0x5555633f9b90: (void (BaseUI::*)(BaseUI * const)) 0x7ffff495f4ca , __t=@0x5555633f9ba0: 0x555557bbeb90) at /usr/include/c++/10/bits/invoke.h:73 #8 0x00007ffff49645fd in std::__invoke (__fn=@0x5555633f9b90: (void (BaseUI::*)(BaseUI * const)) 0x7ffff495f4ca ) at /usr/include/c++/10/bits/invoke.h:95 #9 0x00007ffff4964462 in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x5555633f9b90, __args=...) at /usr/include/c++/10/functional:416 #10 0x00007ffff4964142 in std::_Bind::operator()<, void>() (this=0x5555633f9b90) at /usr/include/c++/10/functional:499 #11 0x00007ffff4963bba in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #12 0x00007ffff496334a in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #13 0x00007ffff4962891 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #14 0x0000555555dcb716 in std::function::operator() (this=0x5555633f9b58) at /usr/include/c++/10/bits/std_function.h:622 #15 0x00007ffff49c6a33 in PBD::Thread::_run (arg=0x5555633f9b30) at ../libs/pbd/pthread_utils.cc:594 #16 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #17 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 75 (Thread 0x7fffb84b1940 (LWP 336907) "butler"): #0 __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56 #1 0x00007ffff2e9339c in __internal_syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:49 #2 0x00007ffff2e933e4 in __syscall_cancel (a1=, a2=, a3=, a4=a4@entry=0, a5=a5@entry=0, a6=a6@entry=0, nr=7) at cancellation.c:75 #3 0x00007ffff2f0cdae in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:29 #4 0x00007ffff497788c in CrossThreadChannel::poll_for_request (this=0x5555584641f8) at ../libs/pbd/crossthread.posix.cc:108 #5 0x00007ffff49778fd in CrossThreadChannel::receive (this=0x5555584641f8, msg=@0x7fffb84b04af: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:133 #6 0x00007ffff6aaccdf in ARDOUR::Butler::thread_work (this=0x5555584640e0) at ../libs/ardour/butler.cc:208 #7 0x00007ffff6aac5a3 in ARDOUR::Butler::_thread_work (arg=0x5555584640e0) at ../libs/ardour/butler.cc:178 #8 0x00007ffff49c5747 in fake_thread_start (arg=0x5555633a6240) at ../libs/pbd/pthread_utils.cc:199 #9 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #10 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 74 (Thread 0x7ffec2ffd6c0 (LWP 336906) "IO-21-0x7ffec2f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 73 (Thread 0x7ffec9ffc6c0 (LWP 336905) "IO-20-0x7ffec9f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 72 (Thread 0x7ffecbfff6c0 (LWP 336904) "IO-19-0x7ffecbf"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 71 (Thread 0x7ffed37fe6c0 (LWP 336903) "IO-18-0x7ffed37"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 70 (Thread 0x7ffede7fc6c0 (LWP 336902) "IO-17-0x7ffede7"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 69 (Thread 0x7ffee57fb6c0 (LWP 336901) "IO-16-0x7ffee57"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 68 (Thread 0x7ffee7fff6c0 (LWP 336900) "IO-15-0x7ffee7f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 67 (Thread 0x7ffef2ffd6c0 (LWP 336899) "IO-14-0x7ffef2f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 66 (Thread 0x7ffef9ffc6c0 (LWP 336898) "IO-13-0x7ffef9f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 65 (Thread 0x7ffefbfff6c0 (LWP 336897) "IO-12-0x7ffefbf"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 64 (Thread 0x7fff037fe6c0 (LWP 336896) "IO-11-0x7fff037"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 63 (Thread 0x7fff0e7fc6c0 (LWP 336895) "IO-10-0x7fff0e7"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 62 (Thread 0x7fff157fb6c0 (LWP 336894) "IO-9-0x7fff157f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 61 (Thread 0x7fff17fff6c0 (LWP 336893) "IO-8-0x7fff17ff"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 60 (Thread 0x7fff22ffd6c0 (LWP 336892) "IO-7-0x7fff22ff"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 59 (Thread 0x7fff29ffc6c0 (LWP 336891) "IO-6-0x7fff29ff"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 58 (Thread 0x7fff2bfff6c0 (LWP 336890) "IO-5-0x7fff2bff"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 57 (Thread 0x7fff337fe6c0 (LWP 336889) "IO-4-0x7fff337f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 56 (Thread 0x7fff3a7fc6c0 (LWP 336888) "IO-3-0x7fff3a7f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 55 (Thread 0x7fffad7fb6c0 (LWP 336887) "IO-2-0x7fffad7f"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 54 (Thread 0x7fffaffff6c0 (LWP 336886) "IO-1-0x7fffafff"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 53 (Thread 0x7fffcee0a6c0 (LWP 336885) "IO-0-0x7fffcee0"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x7fffa8002ffc) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6c6fd05 in ARDOUR::IOTaskList::io_thread (this=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:166 #3 0x00007ffff6c6fc32 in ARDOUR::IOTaskList::_worker_thread (me=0x7fffa8002fc0) at ../libs/ardour/io_tasklist.cc:154 #4 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #5 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 52 (Thread 0x7fffb85ca940 (LWP 336884) "RT-22-0x7fffb85"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff48000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff48000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff48000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff48000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff48000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb85c9ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555f54bb70) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 51 (Thread 0x7fffb864e940 (LWP 336883) "RT-21-0x7fffb86"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff44000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff44000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff44000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff44000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff44000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb864ded0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555c2adba0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 50 (Thread 0x7fffb86d2940 (LWP 336882) "RT-20-0x7fffb86"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff50000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff50000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff50000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff50000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff50000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb86d1ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558d80db0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 49 (Thread 0x7fffb8756940 (LWP 336881) "RT-19-0x7fffb87"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff4c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff4c000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff4c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff4c000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff4c000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8755ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555557dac320) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 48 (Thread 0x7fffb87da940 (LWP 336880) "RT-18-0x7fffb87"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff58000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff58000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff58000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff58000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff58000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb87d9ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555d235bb0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 47 (Thread 0x7fffb885e940 (LWP 336879) "RT-17-0x7fffb88"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff54000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff54000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff54000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff54000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff54000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb885ded0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558331d90) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 46 (Thread 0x7fffb88e2940 (LWP 336878) "RT-16-0x7fffb88"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff60000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff60000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff60000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff60000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff60000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb88e1ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555f3d5760) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 45 (Thread 0x7fffb8966940 (LWP 336877) "RT-15-0x7fffb89"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff5c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff5c000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff5c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff5c000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff5c000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8965ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555989a5b0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 44 (Thread 0x7fffb89ea940 (LWP 336876) "RT-14-0x7fffb89"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff68000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff68000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff68000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff68000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff68000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb89e9ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558e40640) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 43 (Thread 0x7fffb8a6e940 (LWP 336875) "RT-13-0x7fffb8a"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff64000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff64000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff64000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff64000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff64000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8a6ded0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558a67e30) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 42 (Thread 0x7fffb8af2940 (LWP 336874) "RT-12-0x7fffb8a"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff70000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff70000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff70000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff70000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff70000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8af1ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555558b27970) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 41 (Thread 0x7fffb8b76940 (LWP 336873) "RT-11-0x7fffb8b"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff6c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff6c000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff6c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff6c000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff6c000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8b75ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555d9b0490) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 40 (Thread 0x7fffb8bfa940 (LWP 336872) "RT-10-0x7fffb8b"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5570) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb03b in ARDOUR::Graph::reached_terminal_node (this=0x55555bde5410) at ../libs/ardour/graph.cc:267 #3 0x00007ffff6c07385 in ARDOUR::GraphNode::finish (this=0x5555635a2090, chain=0x7fffb40091a0) at ../libs/ardour/graphnode.cc:107 #4 0x00007ffff6c0726a in ARDOUR::GraphNode::run (this=0x5555635a2090, chain=0x7fffb40091a0) at ../libs/ardour/graphnode.cc:74 #5 0x00007ffff6bfb7b2 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:344 #6 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #7 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff78000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff78000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #8 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff78000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #9 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff78000880, __args=...) at /usr/include/c++/10/functional:416 #10 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff78000880) at /usr/include/c++/10/functional:499 #11 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #12 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #13 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #14 0x0000555555dcb716 in std::function::operator() (this=0x7fffb8bf9ed0) at /usr/include/c++/10/bits/std_function.h:622 #15 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555bddb0e0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #16 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #17 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 39 (Thread 0x7fffcc0ce940 (LWP 336871) "RT-9-0x7fffcc0c"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff74000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff74000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff74000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff74000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff74000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc0cded0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555d146140) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 38 (Thread 0x7fffcc152940 (LWP 336870) "RT-8-0x7fffcc15"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff80000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff80000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff80000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff80000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff80000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc151ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559af0420) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 37 (Thread 0x7fffcc1d6940 (LWP 336869) "RT-7-0x7fffcc1d"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff7c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff7c000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff7c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff7c000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff7c000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc1d5ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559b002d0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 36 (Thread 0x7fffcc25a940 (LWP 336868) "RT-6-0x7fffcc25"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff88000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff88000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff88000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff88000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff88000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc259ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559b14ae0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 35 (Thread 0x7fffcc603940 (LWP 336867) "RT-5-0x7fffcc60"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff84000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff84000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff84000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff84000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff84000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc602ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555c2ada50) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 34 (Thread 0x7fffcc687940 (LWP 336866) "RT-4-0x7fffcc68"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff90000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff90000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff90000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff90000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff90000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc686ed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559b06af0) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 33 (Thread 0x7fffcc70b940 (LWP 336865) "RT-3-0x7fffcc70"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff8c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff8c000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff8c000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff8c000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind::operator()<, void>() (this=0x7fff8c000880) at /usr/include/c++/10/functional:499 #8 0x00007ffff6c03e7b in std::__invoke_impl&>(std::__invoke_other, std::_Bind&) (__f=...) at /usr/include/c++/10/bits/invoke.h:60 #9 0x00007ffff6c021fd in std::__invoke_r&>(std::_Bind&) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110 #10 0x00007ffff6c01194 in std::_Function_handler >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/10/bits/std_function.h:291 #11 0x0000555555dcb716 in std::function::operator() (this=0x7fffcc70aed0) at /usr/include/c++/10/bits/std_function.h:622 #12 0x00007fffd59a3ef8 in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555559af7960) at ../libs/backends/alsa/alsa_audiobackend.cc:1143 #13 0x00007ffff2e9697a in start_thread (arg=) at pthread_create.c:454 #14 0x00007ffff2f1a2bc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 Thread 32 (Thread 0x7fffcc78f940 (LWP 336864) "RT-2-0x7fffcc78"): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff49ce862 in PBD::Semaphore::wait (this=0x55555bde5564) at ../libs/pbd/semutils.cc:120 #2 0x00007ffff6bfb602 in ARDOUR::Graph::run_one (this=0x55555bde5410) at ../libs/ardour/graph.cc:320 #3 0x00007ffff6bfbb95 in ARDOUR::Graph::helper_thread (this=0x55555bde5410) at ../libs/ardour/graph.cc:372 #4 0x00007ffff6c06a2d in std::__invoke_impl (__f=@0x7fff98000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa , __t=@0x7fff98000890: 0x55555bde5410) at /usr/include/c++/10/bits/invoke.h:73 #5 0x00007ffff6c06709 in std::__invoke (__fn=@0x7fff98000880: (void (ARDOUR::Graph::*)(ARDOUR::Graph * const)) 0x7ffff6bfb9aa ) at /usr/include/c++/10/bits/invoke.h:95 #6 0x00007ffff6c05ebc in std::_Bind::__call(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fff98000880, __args=...) at /usr/include/c++/10/functional:416 #7 0x00007ffff6c05248 in std::_Bind