#0 0x00007ffff55a9b2b in ?? () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007fffe84ad100 in ARDOUR::JACKAudioBackend::port_data_type(std::shared_ptr const&) const () from /usr/lib/ardour8/backends/libjack_audiobackend.so No symbol table info available. #2 0x0000555555f33ad6 in ?? () No symbol table info available. #3 0x0000555555d2809d in ?? () No symbol table info available. #4 0x0000555555f23462 in ?? () No symbol table info available. #5 0x00007ffff6fe5198 in AbstractUI::handle_ui_requests (this=0x555556d0b290) at /usr/include/glibmm-2.4/glibmm/threads.h:849 req = 0x7fff940027e0 i = vec = cnt = rbml = { rwlock_ = @0x555556d0b340, locked_ = 0x0 } #6 0x00007ffff6f46a4f in BaseUI::request_handler (this=0x555556d0b290, ioc=Glib::IO_IN) at ../libs/pbd/base_ui.cc:153 No locals. #7 0x00007ffff6f3db2b in sigc::slot1::operator() (_A_a1=@0x7fffffffdd64: Glib::IO_IN, this=) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:675 No locals. #8 cross_thread_channel_call_receive_slot (condition=, data=) at ../libs/pbd/crossthread.cc:52 ctc = #9 0x00007ffff63f4ab9 in g_main_dispatch (context=0x55555702d200) at ../glib/glib/gmain.c:3344 dispatch = 0x7ffff6454a50 prev_source = 0x0 begin_time_nsec = 0x180b65a45312e was_in_call = 0x0 user_data = 0x555556d0b318 callback = 0x7ffff6f3daf0 cb_funcs = 0x7ffff64e4380 cb_data = 0x555556d52750 need_destroy = source = 0x555556d5df00 current = 0x5555569b9670 i = 0x1 __func__ = "g_main_dispatch" #10 0x00007ffff64569e7 in g_main_context_dispatch_unlocked (context=0x55555702d200) at ../glib/glib/gmain.c:4152 No locals. #11 g_main_context_iterate_unlocked.isra.0 (context=0x55555702d200, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4217 max_priority = 0x0 timeout = 0x0 some_ready = 0x1 nfds = 0x3 allocated_nfds = fds = 0x555556a21020 begin_time_nsec = 0x180b65a449f2c #12 0x00007ffff63f57b7 in g_main_loop_run (loop=0x555556bc0160) at ../glib/glib/gmain.c:4419 self = __func__ = "g_main_loop_run" #13 0x00007ffff6874103 in IA__gtk_main () at ../libs/tk/ytk/gtkmain.c:1213 tmp_list = 0x0 functions = 0x0 init = loop = 0x555556bc0160 #14 0x00007ffff6feb8a9 in Gtkmm2ext::UI::run (this=0x555556d0b290, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305 No locals. #15 0x000055555596e7a7 in main () No symbol table info available. Thread 388 (Thread 0x7fffb67fc6c0 (LWP 624654) "AudioEngine 3"): #0 0x00007ffff55548b2 in epoll_wait () from /usr/lib/libc.so.6 #1 0x00007ffff6561627 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #2 0x00007ffff6551e79 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #3 0x00007ffff2fbf51c in pw_data_loop_wait () from /usr/lib/libpipewire-0.3.so.0 #4 0x00007ffff3072971 in jack_cycle_wait () from /usr/lib/libjack.so.0 #5 0x00007fffe84a8d24 in ARDOUR::JACKAudioBackend::process_thread() () from /usr/lib/ardour8/backends/libjack_audiobackend.so #6 0x00007ffff6551fb5 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #7 0x00007ffff2fc4633 in ?? () from /usr/lib/libpipewire-0.3.so.0 #8 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #9 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 387 (Thread 0x7fffd0f2e6c0 (LWP 624651) "pw-ardour"): #0 0x00007ffff55548b2 in epoll_wait () from /usr/lib/libc.so.6 #1 0x00007ffff6561627 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #2 0x00007ffff6552179 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #3 0x00007ffff3010587 in ?? () from /usr/lib/libpipewire-0.3.so.0 #4 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #5 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 386 (Thread 0x7fffb6ffd6c0 (LWP 624650) "pw-ardour"): #0 0x00007ffff55548b2 in epoll_wait () from /usr/lib/libc.so.6 #1 0x00007ffff6561627 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #2 0x00007ffff6552179 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #3 0x00007ffff3010587 in ?? () from /usr/lib/libpipewire-0.3.so.0 #4 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #5 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 384 (Thread 0x7fffb77fe6c0 (LWP 624648) "module-rt"): #0 0x00007ffff55548b2 in epoll_wait () from /usr/lib/libc.so.6 #1 0x00007ffff6561627 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #2 0x00007ffff6552179 in ?? () from /usr/lib/spa-0.2/support/libspa-support.so #3 0x00007ffff3010587 in ?? () from /usr/lib/libpipewire-0.3.so.0 #4 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #5 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 138 (Thread 0x7fff3a9c26c0 (LWP 409629) "Mackie"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff645692d in g_main_context_poll_unlocked (priority=0x7fffffff, context=0x5555694f8e20, timeout=, fds=0x7fff08000c40, n_fds=0x3) at ../glib/glib/gmain.c:4521 #2 g_main_context_iterate_unlocked.isra.0 (context=0x5555694f8e20, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4212 #3 0x00007ffff63f57b7 in g_main_loop_run (loop=0x555569548ce0) at ../glib/glib/gmain.c:4419 #4 0x00007ffff6f5abda in boost::function0::operator() (this=0x5555694f5ac8) at /usr/include/boost/function/function_template.hpp:771 #5 PBD::Thread::_run (arg=0x5555694f5aa0) at ../libs/pbd/pthread_utils.cc:488 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 133 (Thread 0x7fff41ffb6c0 (LWP 409168) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 132 (Thread 0x7fff427fc6c0 (LWP 409167) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 131 (Thread 0x7fff42ffd6c0 (LWP 409166) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 130 (Thread 0x7fff437fe6c0 (LWP 409165) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 129 (Thread 0x7fff43fff6c0 (LWP 409164) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 128 (Thread 0x7fff496c06c0 (LWP 409163) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 127 (Thread 0x7fff49ec16c0 (LWP 409162) "LV2Worker"): #0 futex_wait (addr=0x7fff50019b74, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x7fff50019b70, state=0x8) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 126 (Thread 0x7fff4bfff6c0 (LWP 409161) "AutomationWatch"): #0 0x00007ffff551c733 in clock_nanosleep () from /usr/lib/libc.so.6 #1 0x00007ffff5528827 in nanosleep () from /usr/lib/libc.so.6 #2 0x00007ffff6425f10 in g_usleep (microseconds=) at ../glib/glib/gtimer.c:275 #3 g_usleep (microseconds=) at ../glib/glib/gtimer.c:263 #4 0x00007ffff7696976 in ARDOUR::AutomationWatch::thread (this=0x5555593fffe0) at ../libs/ardour/automation_watch.cc:207 #5 0x00007ffff6f5abda in boost::function0::operator() (this=0x55555abc5b98) at /usr/include/boost/function/function_template.hpp:771 #6 PBD::Thread::_run (arg=0x55555abc5b70) at ../libs/pbd/pthread_utils.cc:488 #7 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #8 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 125 (Thread 0x7fff64ef86c0 (LWP 409160) "autoconnect"): #0 0x00007ffff54cba19 in ?? () from /usr/lib/libc.so.6 #1 0x00007ffff54ce479 in pthread_cond_wait () from /usr/lib/libc.so.6 #2 0x00007ffff796d139 in ARDOUR::Session::auto_connect_thread_run (this=0x5555596d87a0) at ../libs/ardour/session.cc:7913 #3 0x00007ffff796d65e in ARDOUR::Session::auto_connect_thread (arg=0x5555596d87a0) at ../libs/ardour/session.cc:7844 #4 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #5 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 124 (Thread 0x7fff3b9c46c0 (LWP 409159) "SessionSignals"): #0 0x00007ffff54cba19 in ?? () from /usr/lib/libc.so.6 #1 0x00007ffff54ce479 in pthread_cond_wait () from /usr/lib/libc.so.6 #2 0x00007ffff79aebc5 in ARDOUR::Session::emit_thread_run (this=0x5555596d87a0) at ../libs/ardour/session_process.cc:1241 #3 0x00007ffff79aebfe in ARDOUR::Session::emit_thread (arg=0x5555596d87a0) at ../libs/ardour/session_process.cc:1230 #4 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #5 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 123 (Thread 0x7fff667fc6c0 (LWP 409158) "ArdourGUI"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff5428ab5 in ?? () from /usr/lib/libusb-1.0.so.0 #2 0x00007ffff542bbd8 in libusb_handle_events_timeout_completed () from /usr/lib/libusb-1.0.so.0 #3 0x00007ffff542bc2f in libusb_handle_events () from /usr/lib/libusb-1.0.so.0 #4 0x00007ffff76a9d7e in usb_hotplug_thread (user_data=) at ../libs/ardour/control_protocol_manager.cc:87 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 122 (Thread 0x7fff48e866c0 (LWP 409157) "libusb_event"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff542d226 in ?? () from /usr/lib/libusb-1.0.so.0 #2 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #3 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 121 (Thread 0x7fff65ffb6c0 (LWP 409156) "Generic MIDI"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff645692d in g_main_context_poll_unlocked (priority=0x7fffffff, context=0x55555ec7efe0, timeout=, fds=0x7fff44001fa0, n_fds=0x2) at ../glib/glib/gmain.c:4521 #2 g_main_context_iterate_unlocked.isra.0 (context=0x55555ec7efe0, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4212 #3 0x00007ffff63f57b7 in g_main_loop_run (loop=0x55555c8d9110) at ../glib/glib/gmain.c:4419 #4 0x00007ffff6f5abda in boost::function0::operator() (this=0x55555cd4c3c8) at /usr/include/boost/function/function_template.hpp:771 #5 PBD::Thread::_run (arg=0x55555cd4c3a0) at ../libs/pbd/pthread_utils.cc:488 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 99 (Thread 0x7fff66ffd6c0 (LWP 409129) "LV2Worker"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff6f5cd1b in PBD::Semaphore::wait (this=0x55555c7a6110) at ../libs/pbd/semutils.cc:120 #2 PBD::Semaphore::wait (this=this@entry=0x55555c7a6110) at ../libs/pbd/semutils.cc:117 #3 0x00007ffff7a60aae in ARDOUR::Worker::run (this=0x55555c7a60f0) at ../libs/ardour/worker.cc:145 #4 0x00007ffff6f5abda in boost::function0::operator() (this=0x5555590879e8) at /usr/include/boost/function/function_template.hpp:771 #5 PBD::Thread::_run (arg=0x5555590879c0) at ../libs/pbd/pthread_utils.cc:488 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 77 (Thread 0x7fff677fe6c0 (LWP 409103) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 76 (Thread 0x7fff67fff6c0 (LWP 409102) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 75 (Thread 0x7fff70a2d6c0 (LWP 409101) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 74 (Thread 0x7fff72ffd6c0 (LWP 409100) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 73 (Thread 0x7fff73fff6c0 (LWP 409099) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 72 (Thread 0x7fff737fe6c0 (LWP 409098) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 71 (Thread 0x7fffb7fff6c0 (LWP 409097) "ArdourGUI"): #0 futex_wait (addr=0x5555595c6c84, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/x86/futex.h:97 #1 do_wait (addr=, val=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/wait.h:67 #2 gomp_barrier_wait_end (bar=0x5555595c6c80, state=0x18) at /usr/src/debug/gcc/gcc/libgomp/config/linux/bar.c:48 #3 0x00007ffff321fed1 in gomp_simple_barrier_wait (bar=) at /usr/src/debug/gcc/gcc/libgomp/config/posix/simple-bar.h:60 #4 gomp_thread_start (xdata=) at /usr/src/debug/gcc/gcc/libgomp/team.c:133 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 49 (Thread 0x7fff90ff96c0 (LWP 409033) "midiUI"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff645692d in g_main_context_poll_unlocked (priority=0x7fffffff, context=0x55555983d0c0, timeout=, fds=0x7fff6c041a60, n_fds=0x4) at ../glib/glib/gmain.c:4521 #2 g_main_context_iterate_unlocked.isra.0 (context=0x55555983d0c0, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4212 #3 0x00007ffff63f57b7 in g_main_loop_run (loop=0x55555983d270) at ../glib/glib/gmain.c:4419 #4 0x00007ffff6f5abda in boost::function0::operator() (this=0x55555983d3c8) at /usr/include/boost/function/function_template.hpp:771 #5 PBD::Thread::_run (arg=0x55555983d3a0) at ../libs/pbd/pthread_utils.cc:488 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 48 (Thread 0x7fffb47f86c0 (LWP 409032) "butler"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff6f46add in poll (__timeout=0xffffffff, __nfds=0x1, __fds=0x7fffb47ef9b0) at /usr/include/bits/poll2.h:39 #2 CrossThreadChannel::poll_for_request (this=) at ../libs/pbd/crossthread.posix.cc:108 #3 0x00007ffff6f46b63 in CrossThreadChannel::receive (this=this@entry=0x555558966a38, msg=@0x7fffb47efa80: 0xe0, wait=wait@entry=0x1) at ../libs/pbd/crossthread.posix.cc:133 #4 0x00007ffff76a5e6b in ARDOUR::Butler::thread_work (this=0x555558966990) at ../libs/ardour/butler.cc:188 #5 0x00007ffff6f5ab2a in fake_thread_start (arg=0x55555cb15840) at ../libs/pbd/pthread_utils.cc:101 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 40 (Thread 0x7fff937fe6c0 (LWP 409011) "ArdourGUI"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x55555c986668, mutex=0x55555c986660) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff63bd90c in g_async_queue_pop_intern_unlocked (queue=0x55555c986660, wait=0x1, end_time=0xffffffffffffffff) at ../glib/glib/gasyncqueue.c:375 #3 0x00007ffff63bd97d in g_async_queue_pop (queue=0x55555c986660) at ../glib/glib/gasyncqueue.c:409 #4 0x00007ffff5c135fc in ?? () from /usr/lib/libpangoft2-1.0.so.0 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555558a32d80) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 38 (Thread 0x7fff93fff6c0 (LWP 409008) "ArdourGUI"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556b639d8, mutex=0x555556b639d0) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff63bd90c in g_async_queue_pop_intern_unlocked (queue=0x555556b639d0, wait=0x1, end_time=0xffffffffffffffff) at ../glib/glib/gasyncqueue.c:375 #3 0x00007ffff63bd97d in g_async_queue_pop (queue=0x555556b639d0) at ../glib/glib/gasyncqueue.c:409 #4 0x00007ffff5c135fc in ?? () from /usr/lib/libpangoft2-1.0.so.0 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555558471380) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 26 (Thread 0x7fffd17fa6c0 (LWP 408986) "gdbus"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff645692d in g_main_context_poll_unlocked (priority=0x7fffffff, context=0x555556a79820, timeout=, fds=0x7fffbc000b90, n_fds=0x2) at ../glib/glib/gmain.c:4521 #2 g_main_context_iterate_unlocked.isra.0 (context=0x555556a79820, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4212 #3 0x00007ffff63f57b7 in g_main_loop_run (loop=0x555556a79590) at ../glib/glib/gmain.c:4419 #4 0x00007ffff4bc5574 in ?? () from /usr/lib/libgio-2.0.so.0 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555556a79920) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 25 (Thread 0x7fffd1ffb6c0 (LWP 408985) "gmain"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff645692d in g_main_context_poll_unlocked (priority=0x7fffffff, context=0x555556a69350, timeout=, fds=0x555556a695f0, n_fds=0x2) at ../glib/glib/gmain.c:4521 #2 g_main_context_iterate_unlocked.isra.0 (context=context@entry=0x555556a69350, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4212 #3 0x00007ffff63f3fc5 in g_main_context_iteration (context=0x555556a69350, may_block=may_block@entry=0x1) at ../glib/glib/gmain.c:4282 #4 0x00007ffff63f401a in glib_worker_main (data=) at ../glib/glib/gmain.c:6442 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555556a69590) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 24 (Thread 0x7fffd37fe6c0 (LWP 408984) "pool-spawner"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556a685a8, mutex=0x555556a685a0) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff63bd90c in g_async_queue_pop_intern_unlocked (queue=0x555556a685a0, wait=0x1, end_time=0xffffffffffffffff) at ../glib/glib/gasyncqueue.c:375 #3 0x00007ffff64296b7 in g_thread_pool_spawn_thread (data=) at ../glib/glib/gthreadpool.c:297 #4 0x00007ffff6424266 in g_thread_proxy (data=0x555556a67f00) at ../glib/glib/gthread.c:835 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 15 (Thread 0x7fffd2ffd6c0 (LWP 408967) "ArdourGUI"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556da90c8, mutex=0x555556da90c0) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff63bd90c in g_async_queue_pop_intern_unlocked (queue=0x555556da90c0, wait=0x1, end_time=0xffffffffffffffff) at ../glib/glib/gasyncqueue.c:375 #3 0x00007ffff63bd97d in g_async_queue_pop (queue=0x555556da90c0) at ../glib/glib/gasyncqueue.c:409 #4 0x00007ffff5c135fc in ?? () from /usr/lib/libpangoft2-1.0.so.0 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555556dae640) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 14 (Thread 0x7fffd27fc6c0 (LWP 408966) "ArdourGUI"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556ef0a18, mutex=0x555556ef0a10) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff63bd90c in g_async_queue_pop_intern_unlocked (queue=0x555556ef0a10, wait=0x1, end_time=0xffffffffffffffff) at ../glib/glib/gasyncqueue.c:375 #3 0x00007ffff63bd97d in g_async_queue_pop (queue=0x555556ef0a10) at ../glib/glib/gasyncqueue.c:409 #4 0x00007ffff5c135fc in ?? () from /usr/lib/libpangoft2-1.0.so.0 #5 0x00007ffff6424266 in g_thread_proxy (data=0x555556eea080) at ../glib/glib/gthread.c:835 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 10 (Thread 0x7fffe8d6c6c0 (LWP 408960) "DeviceList"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556737890, mutex=0x5555567378a0) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff7656578 in ARDOUR::AudioEngine::do_devicelist_update (this=0x555556736e50) at ../libs/ardour/audioengine.cc:760 #3 0x00007ffff6f5abda in boost::function0::operator() (this=0x55555672b1c8) at /usr/include/boost/function/function_template.hpp:771 #4 PBD::Thread::_run (arg=0x55555672b1a0) at ../libs/pbd/pthread_utils.cc:488 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 9 (Thread 0x7fffe99e06c0 (LWP 408959) "EngineWatchdog"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x555556737860, mutex=0x555556737870) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff7657728 in ARDOUR::AudioEngine::do_reset_backend (this=0x555556736e50) at ../libs/ardour/audioengine.cc:724 #3 0x00007ffff6f5abda in boost::function0::operator() (this=0x55555672b6c8) at /usr/include/boost/function/function_template.hpp:771 #4 PBD::Thread::_run (arg=0x55555672b6a0) at ../libs/pbd/pthread_utils.cc:488 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 6 (Thread 0x7fffea7fc6c0 (LWP 408943) "Analyzer"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x7ffff7f793c0 , mutex=0x7ffff7f793b8 ) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff7634a6c in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:95 #3 0x00007ffff6f5abda in boost::function0::operator() (this=0x555556726108) at /usr/include/boost/function/function_template.hpp:771 #4 PBD::Thread::_run (arg=0x5555567260e0) at ../libs/pbd/pthread_utils.cc:488 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 5 (Thread 0x7fffeaffd6c0 (LWP 408942) "PeakFileBuilder"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x7ffff7f7b760 , mutex=0x7ffff7f7b778 ) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff7a00003 in peak_thread_work () at ../libs/ardour/source_factory.cc:75 #3 0x00007ffff6f5abda in boost::function0::operator() (this=0x555556727ad8) at /usr/include/boost/function/function_template.hpp:771 #4 PBD::Thread::_run (arg=0x555556727ab0) at ../libs/pbd/pthread_utils.cc:488 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 4 (Thread 0x7fffeb7fe6c0 (LWP 408941) "PeakFileBuilder"): #0 0x00007ffff55521fd in syscall () from /usr/lib/libc.so.6 #1 0x00007ffff644fa10 in g_cond_wait (cond=0x7ffff7f7b760 , mutex=0x7ffff7f7b778 ) at ../glib/glib/gthread-posix.c:1552 #2 0x00007ffff7a00003 in peak_thread_work () at ../libs/ardour/source_factory.cc:75 #3 0x00007ffff6f5abda in boost::function0::operator() (this=0x5555567275f8) at /usr/include/boost/function/function_template.hpp:771 #4 PBD::Thread::_run (arg=0x5555567275d0) at ../libs/pbd/pthread_utils.cc:488 #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 3 (Thread 0x7fffebfff6c0 (LWP 408940) "LXVSTEventLoop"): #0 0x00007ffff551c733 in clock_nanosleep () from /usr/lib/libc.so.6 #1 0x00007ffff5528827 in nanosleep () from /usr/lib/libc.so.6 #2 0x00007ffff6425f10 in g_usleep (microseconds=) at ../glib/glib/gtimer.c:275 #3 g_usleep (microseconds=) at ../glib/glib/gtimer.c:263 #4 0x00005555561c8337 in ?? () #5 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #6 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7ffff01cd6c0 (LWP 408939) "Trigger Worker"): #0 0x00007ffff554663d in poll () from /usr/lib/libc.so.6 #1 0x00007ffff6f46add in poll (__timeout=0xffffffff, __nfds=0x1, __fds=0x7ffff01c4a90) at /usr/include/bits/poll2.h:39 #2 CrossThreadChannel::poll_for_request (this=) at ../libs/pbd/crossthread.posix.cc:108 #3 0x00007ffff6f46b63 in CrossThreadChannel::receive (this=this@entry=0x5555566f3950, msg=@0x7ffff01c4af7: 0x0, wait=wait@entry=0x1) at ../libs/pbd/crossthread.posix.cc:133 #4 0x00007ffff7a4f064 in ARDOUR::TriggerBoxThread::thread_work (this=0x5555566f3920) at ../libs/ardour/triggerbox.cc:4880 #5 0x00007ffff6f5ab2a in fake_thread_start (arg=0x555556658f10) at ../libs/pbd/pthread_utils.cc:101 #6 0x00007ffff54cf39d in ?? () from /usr/lib/libc.so.6 #7 0x00007ffff555449c in ?? () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7ffff08d2a80 (LWP 408903) "ArdourGUI"): #0 0x00007ffff55a9b2b in ?? () from /usr/lib/libc.so.6 #1 0x00007fffe84ad100 in ARDOUR::JACKAudioBackend::port_data_type(std::shared_ptr const&) const () from /usr/lib/ardour8/backends/libjack_audiobackend.so #2 0x0000555555f33ad6 in ?? () #3 0x0000555555d2809d in ?? () #4 0x0000555555f23462 in ?? () #5 0x00007ffff6fe5198 in AbstractUI::handle_ui_requests (this=0x555556d0b290) at /usr/include/glibmm-2.4/glibmm/threads.h:849 #6 0x00007ffff6f46a4f in BaseUI::request_handler (this=0x555556d0b290, ioc=Glib::IO_IN) at ../libs/pbd/base_ui.cc:153 #7 0x00007ffff6f3db2b in sigc::slot1::operator() (_A_a1=@0x7fffffffdd64: Glib::IO_IN, this=) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:675 #8 cross_thread_channel_call_receive_slot (condition=, data=) at ../libs/pbd/crossthread.cc:52 #9 0x00007ffff63f4ab9 in g_main_dispatch (context=0x55555702d200) at ../glib/glib/gmain.c:3344 #10 0x00007ffff64569e7 in g_main_context_dispatch_unlocked (context=0x55555702d200) at ../glib/glib/gmain.c:4152 #11 g_main_context_iterate_unlocked.isra.0 (context=0x55555702d200, block=block@entry=0x1, dispatch=dispatch@entry=0x1, self=) at ../glib/glib/gmain.c:4217 #12 0x00007ffff63f57b7 in g_main_loop_run (loop=0x555556bc0160) at ../glib/glib/gmain.c:4419 #13 0x00007ffff6874103 in IA__gtk_main () at ../libs/tk/ytk/gtkmain.c:1213 #14 0x00007ffff6feb8a9 in Gtkmm2ext::UI::run (this=0x555556d0b290, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:305 #15 0x000055555596e7a7 in main ()