Thanks everyone, here’s the gdb output running a debug version of 6.9, hopefully better formatted
Thread 26 "audioengine" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffcb5d4700 (LWP 180156)]
0x00007ffff6f8e92a in ARDOUR::PortManager::run_input_meters (this=0x1f7a500, n_samples=512, rate=48000) at ../libs/ardour/port_manager.cc:1848
1848 ../libs/ardour/port_manager.cc: No such file or directory.
(gdb) thread apply all bt
Thread 50 (Thread 0x7fff5ffff700 (LWP 180188)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x4df99e8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x54a4c00, cond=0x4df99c0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x4df99c0, mutex=0x54a4c00) at pthread_cond_wait.c:638
#3 0x00007ffff32e8554 in g_cond_wait () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff7b4a2e8 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:323
#5 0x00007ffff7b4a264 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#6 0x00007ffff7b4a7c1 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:501
#7 0x00007ffff7b4a764 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#8 0x0000000001056d4d in sigc::pointer_functor0<void>::operator() (this=0x467e0a8) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#9 0x0000000001053e04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x467e0a0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#10 0x000000000104fa4f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x467e070) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#11 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#12 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#13 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#14 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 49 (Thread 0x7fff8cfaf700 (LWP 180187)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x4df99e8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x54a4c00, cond=0x4df99c0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x4df99c0, mutex=0x54a4c00) at pthread_cond_wait.c:638
#3 0x00007ffff32e8554 in g_cond_wait () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff7b4a2e8 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:323
#5 0x00007ffff7b4a264 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#6 0x00007ffff7b4a7c1 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:501
#7 0x00007ffff7b4a764 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#8 0x0000000001056d4d in sigc::pointer_functor0<void>::operator() (this=0x6db73a8) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#9 0x0000000001053e04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x6db73a0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#10 0x000000000104fa4f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x6db7370) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
--Type <RET> for more, q to quit, c to continue without paging--c
#11 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#12 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#13 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#14 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 48 (Thread 0x7fff8d7b0700 (LWP 180186)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x4df99e8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x54a4c00, cond=0x4df99c0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x4df99c0, mutex=0x54a4c00) at pthread_cond_wait.c:638
#3 0x00007ffff32e8554 in g_cond_wait () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff7b4a2e8 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:323
#5 0x00007ffff7b4a264 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#6 0x00007ffff7b4a7c1 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:501
#7 0x00007ffff7b4a764 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#8 0x0000000001056d4d in sigc::pointer_functor0<void>::operator() (this=0x4615a28) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#9 0x0000000001053e04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x4615a20) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#10 0x000000000104fa4f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x46159f0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#11 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#12 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#13 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#14 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 47 (Thread 0x7fff8dfb1700 (LWP 180185)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x4df99e8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x54a4c00, cond=0x4df99c0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x4df99c0, mutex=0x54a4c00) at pthread_cond_wait.c:638
#3 0x00007ffff32e8554 in g_cond_wait () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff7b4a2e8 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:323
#5 0x00007ffff7b4a264 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#6 0x00007ffff7b4a7c1 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:501
#7 0x00007ffff7b4a764 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#8 0x0000000001056d4d in sigc::pointer_functor0<void>::operator() (this=0x4675f28) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#9 0x0000000001053e04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x4675f20) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#10 0x000000000104fa4f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x4675ef0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#11 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#12 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#13 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#14 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 46 (Thread 0x7fff8e7b2700 (LWP 180184)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x4df99e8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x54a4c00, cond=0x4df99c0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x4df99c0, mutex=0x54a4c00) at pthread_cond_wait.c:638
#3 0x00007ffff32e8554 in g_cond_wait () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#4 0x00007ffff7b4a2e8 in ArdourWaveView::WaveViewThreads::_dequeue_draw_request (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:323
#5 0x00007ffff7b4a264 in ArdourWaveView::WaveViewThreads::dequeue_draw_request () at ../libs/waveview/wave_view_private.cc:312
#6 0x00007ffff7b4a7c1 in ArdourWaveView::WaveViewThreads::_thread_proc (this=0x7b90000) at ../libs/waveview/wave_view_private.cc:501
#7 0x00007ffff7b4a764 in ArdourWaveView::WaveViewThreads::thread_proc () at ../libs/waveview/wave_view_private.cc:415
#8 0x0000000001056d4d in sigc::pointer_functor0<void>::operator() (this=0x4676898) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#9 0x0000000001053e04 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x4676890) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#10 0x000000000104fa4f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x4676860) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#11 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#12 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#13 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#14 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 45 (Thread 0x7fffca7fc700 (LWP 180183)):
#0 0x00007fffed03e3bf in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffca7fbbc0, rem=0x7fffca7fbbb0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1 0x00007fffed044047 in __GI___nanosleep (requested_time=<optimised out>, remaining=<optimised out>) at nanosleep.c:27
#2 0x00007ffff32c92c8 in g_usleep () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff69bb3fb in ARDOUR::AutomationWatch::thread (this=0x4a6fe60) at ../libs/ardour/automation_watch.cc:195
#4 0x00007ffff69c05c7 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x49c9760, p=0x4a6fe60) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#5 0x00007ffff69c024e in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x49c9770, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#6 0x00007ffff69bfd8f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x49c9760) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#7 0x00007ffff69bfd0e in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > > >::operator() (this=0x49c9760) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#8 0x00007ffff69bf798 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >, void>::call_it (rep=0x49c9730) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#9 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#10 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#11 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#12 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 44 (Thread 0x7fffc8ff9700 (LWP 180182)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x3c28170) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x3c28120, cond=0x3c28148) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x3c28148, mutex=0x3c28120) at pthread_cond_wait.c:638
#3 0x00007ffff70a84a6 in ARDOUR::Session::auto_connect_thread_run (this=0x3c26810) at ../libs/ardour/session.cc:7207
#4 0x00007ffff70a7eaa in ARDOUR::Session::auto_connect_thread (arg=0x3c26810) at ../libs/ardour/session.cc:7138
#5 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 43 (Thread 0x7fffc9ffb700 (LWP 180181)):
#0 futex_wait_cancelable (private=<optimised out>, expected=0, futex_word=0x3c28104) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x3c280b0, cond=0x3c280d8) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x3c280d8, mutex=0x3c280b0) at pthread_cond_wait.c:638
#3 0x00007ffff71336b8 in ARDOUR::Session::emit_thread_run (this=0x3c26810) at ../libs/ardour/session_process.cc:1137
#4 0x00007ffff7133662 in ARDOUR::Session::emit_thread (arg=0x3c26810) at ../libs/ardour/session_process.cc:1126
#5 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#6 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 42 (Thread 0x7fffa3fff700 (LWP 180180)):
#0 0x00007fffed073aff in __GI___poll (fds=0x7fff701095d0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ffff329cad5 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff329cbe5 in g_main_loop_run () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff4465e4b in BaseUI::main_thread (this=0x408d770) at ../libs/pbd/base_ui.cc:101
#4 0x00007ffff4469c6f in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x2d64b08) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5 0x00007ffff44699bc in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x2d64b00) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6 0x00007ffff44694e1 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x2d64ad0) at /home/ardour/linux-x86_64/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7 0x00007ffff3826b72 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglibmm-2.4.so.1
#8 0x00007ffff32c7825 in ?? () from /opt/Ardour-6.9.0-dbg/lib/libglib-2.0.so.0
#9 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#10 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 41 (Thread 0x7fffa1e63700 (LWP 180179)):
#0 0x00007fffed073aff in __GI___poll (fds=0x7fffa1e626c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ffff447c8f5 in CrossThreadChannel::poll_for_request (this=0x2af5690) at ../libs/pbd/crossthread.posix.cc:102
#2 0x00007ffff447c95d in CrossThreadChannel::receive (this=0x2af5690, msg=@0x7fffa1e627af: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123
#3 0x00007ffff69d254c in ARDOUR::Butler::thread_work (this=0x2af5600) at ../libs/ardour/butler.cc:185
#4 0x00007ffff69d21ef in ARDOUR::Butler::_thread_work (arg=0x2af5600) at ../libs/ardour/butler.cc:166
#5 0x00007ffff44a28b5 in fake_thread_start (arg=0x2d64120) at ../libs/pbd/pthread_utils.cc:100
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 40 (Thread 0x7fffa36fc700 (LWP 180175)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x3a95ee8) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x3a95ee8) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff6b1e8d3 in ARDOUR::Graph::run_one (this=0x3a95d80) at ../libs/ardour/graph.cc:426
#5 0x00007ffff6b1edd7 in ARDOUR::Graph::helper_thread (this=0x3a95d80) at ../libs/ardour/graph.cc:470
#6 0x00007ffff6b253bf in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa36fbcf8, p=0x3a95d80) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6b24ce6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa36fbd08, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#8 0x00007ffff6b242c1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa36fbcf8) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#9 0x00007ffff6b23c4f in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x00000000006a20a5 in boost::function0<void>::operator() (this=0x7fffa36fbcf0) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffd17df2b5 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x3d66f60) at ../libs/backends/jack/jack_audiobackend.cc:953
#12 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#13 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 39 (Thread 0x7fffa377d700 (LWP 180174)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x3a95ee8) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x3a95ee8) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff6b1e8d3 in ARDOUR::Graph::run_one (this=0x3a95d80) at ../libs/ardour/graph.cc:426
#5 0x00007ffff6b1edd7 in ARDOUR::Graph::helper_thread (this=0x3a95d80) at ../libs/ardour/graph.cc:470
#6 0x00007ffff6b253bf in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa377ccf8, p=0x3a95d80) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6b24ce6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa377cd08, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#8 0x00007ffff6b242c1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa377ccf8) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#9 0x00007ffff6b23c4f in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x00000000006a20a5 in boost::function0<void>::operator() (this=0x7fffa377ccf0) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffd17df2b5 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x3d66db0) at ../libs/backends/jack/jack_audiobackend.cc:953
#12 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#13 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 38 (Thread 0x7fffa37fe700 (LWP 180173)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x3a95ee8) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x3a95ee8) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff6b1e8d3 in ARDOUR::Graph::run_one (this=0x3a95d80) at ../libs/ardour/graph.cc:426
#5 0x00007ffff6b1edd7 in ARDOUR::Graph::helper_thread (this=0x3a95d80) at ../libs/ardour/graph.cc:470
#6 0x00007ffff6b253bf in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa37fdcf8, p=0x3a95d80) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6b24ce6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa37fdd08, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#8 0x00007ffff6b242c1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa37fdcf8) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#9 0x00007ffff6b23c4f in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x00000000006a20a5 in boost::function0<void>::operator() (this=0x7fffa37fdcf0) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffd17df2b5 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x3573500) at ../libs/backends/jack/jack_audiobackend.cc:953
#12 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#13 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 37 (Thread 0x7fffc80da700 (LWP 180172)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x3a95ee8) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x3a95ee8, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x3a95ee8) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff6b1e8d3 in ARDOUR::Graph::run_one (this=0x3a95d80) at ../libs/ardour/graph.cc:426
#5 0x00007ffff6b1edd7 in ARDOUR::Graph::helper_thread (this=0x3a95d80) at ../libs/ardour/graph.cc:470
#6 0x00007ffff6b253bf in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc80d9cf8, p=0x3a95d80) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6b24ce6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc80d9d08, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#8 0x00007ffff6b242c1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffc80d9cf8) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#9 0x00007ffff6b23c4f in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:159
#10 0x00000000006a20a5 in boost::function0<void>::operator() (this=0x7fffc80d9cf0) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:769
#11 0x00007fffd17df2b5 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x3c239f0) at ../libs/backends/jack/jack_audiobackend.cc:953
#12 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#13 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 36 (Thread 0x7fffc815b700 (LWP 180171)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x3a95f10) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x3a95f10, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x3a95f10, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x3a95f10) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff6b1dae7 in ARDOUR::Graph::reached_terminal_node (this=0x3a95d80) at ../libs/ardour/graph.cc:301
#5 0x00007ffff6b25d5f in ARDOUR::GraphNode::finish (this=0x5c205d0, chain=0) at ../libs/ardour/graphnode.cc:74
#6 0x00007ffff6b2153a in ARDOUR::GraphNode::run (this=0x5c205d0, chain=0) at ../libs/ardour/ardour/graphnode.h:65
#7 0x00007ffff6b1ea9e in ARDOUR::Graph::run_one (this=0x3a95d80) at ../libs/ardour/graph.cc:442
#8 0x00007ffff6b1f294 in ARDOUR::Graph::main_thread (this=0x3a95d80) at ../libs/ardour/graph.cc:523
#9 0x00007ffff6b253bf in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc815acf8, p=0x3a95d80) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#10 0x00007ffff6b24ce6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc815ad08, f=..., a=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind.hpp:259
#11 0x00007ffff6b242c1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffc815acf8) at /home/ardour/linux-x86_64/gtk/inst/include/boost/bind/bind_template.hpp:20
#12 0x00007ffff6b23c4f in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:159
#13 0x00000000006a20a5 in boost::function0<void>::operator() (this=0x7fffc815acf0) at /home/ardour/linux-x86_64/gtk/inst/include/boost/function/function_template.hpp:769
#14 0x00007fffd17df2b5 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x7ee54a0) at ../libs/backends/jack/jack_audiobackend.cc:953
#15 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#16 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 35 (Thread 0x7fffc8166900 (LWP 180170)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7631930) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x7631930) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff705bc93 in ARDOUR::RTTaskList::run (this=0x7631900) at ../libs/ardour/rt_tasklist.cc:112
#5 0x00007ffff705ba7c in ARDOUR::RTTaskList::_thread_run (arg=0x7631900) at ../libs/ardour/rt_tasklist.cc:68
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 34 (Thread 0x7fffcb00c900 (LWP 180169)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7631930) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x7631930) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff705bc93 in ARDOUR::RTTaskList::run (this=0x7631900) at ../libs/ardour/rt_tasklist.cc:112
#5 0x00007ffff705ba7c in ARDOUR::RTTaskList::_thread_run (arg=0x7631900) at ../libs/ardour/rt_tasklist.cc:68
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 33 (Thread 0x7fffcb018900 (LWP 180168)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7631930) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x7631930) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff705bc93 in ARDOUR::RTTaskList::run (this=0x7631900) at ../libs/ardour/rt_tasklist.cc:112
#5 0x00007ffff705ba7c in ARDOUR::RTTaskList::_thread_run (arg=0x7631900) at ../libs/ardour/rt_tasklist.cc:68
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 32 (Thread 0x7fffd000b900 (LWP 180167)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7631930) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x7631930) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff705bc93 in ARDOUR::RTTaskList::run (this=0x7631900) at ../libs/ardour/rt_tasklist.cc:112
#5 0x00007ffff705ba7c in ARDOUR::RTTaskList::_thread_run (arg=0x7631900) at ../libs/ardour/rt_tasklist.cc:68
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 31 (Thread 0x7fffd0017900 (LWP 180166)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7631930) at ../sysdeps/nptl/futex-internal.h:320
#1 do_futex_wait (sem=sem@entry=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef43a4e8 in __new_sem_wait_slow (sem=0x7631930, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6b214d0 in PBD::Semaphore::wait (this=0x7631930) at ../libs/pbd/pbd/semutils.h:64
#4 0x00007ffff705bc93 in ARDOUR::RTTaskList::run (this=0x7631900) at ../libs/ardour/rt_tasklist.cc:112
#5 0x00007ffff705ba7c in ARDOUR::RTTaskList::_thread_run (arg=0x7631900) at ../libs/ardour/rt_tasklist.cc:68
#6 0x00007fffef430609 in start_thread (arg=<optimised out>) at pthread_create.c:477
#7 0x00007fffed080293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95