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IDCategoryLast Update
0008177bugs2020-06-01 00:59
Reportermantis_n1oifAssigned To 
Reproducibilityalways 
Status newResolutionopen 
PlatformSome Other LinuxOSSome Other LinuxOS Versionunknown
Product Version 
Fixed in Version 
Summary0008177: Crash shortly after midi file import
DescriptionMidi file imports correctly but when working with tracks in the few seconds after, everything locks up (I guess it's a crash, but gdb keeps it open?). Stack trace below
Steps To Reproduceimport a midi file with several tracks.
Additional Information[Thread 0x7fff677fe700 (LWP 51408) exited]
Reading player:Bad_Company_-_Shooting_Star-t13-1-t12 took 1765256 microseconds, final size = 54255
Reading player:Bad_Company_-_Shooting_Star-t13-1-t12 took 1805682 microseconds, final size = 54255
Reading player:Bad_Company_-_Shooting_Star-t13-1-t12 took 1968070 microseconds, final size = 54255
pure virtual method called
terminate called without an active exception
--Type <RET> for more, q to quit, c to continue without paging--

Thread 19 "audioengine" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffc8398700 (LWP 51379)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) thread apply all bt

Thread 38 (Thread 0x7fff7f7fe700 (LWP 51400)):
#0 0x00007fffece50361 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff7f7fdbb0, rem=0x7fff7f7fdbc0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
0000001 0x00007fffece55eb7 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2 0x00007ffff317aa38 in g_usleep () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff6b6cdce in ARDOUR::AutomationWatch::thread (this=0x555559f75a00) at ../libs/ardour/automation_watch.cc:195
0000004 0x00007ffff6b72611 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x5555583edf90, p=0x555559f75a00) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000005 0x00007ffff6b72256 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x5555583edfa0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6 0x00007ffff6b71977 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x5555583edf90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7 0x00007ffff6b718f8 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=0x5555583edf90) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000008 0x00007ffff6b71156 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=0x5555583edf60) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000009 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000010 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000011 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000012 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fff7ffff700 (LWP 51399)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555acd679c) at ../sysdeps/nptl/futex-internal.h:183
0000001 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555acd6748, cond=0x55555acd6770) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55555acd6770, mutex=0x55555acd6748) at pthread_cond_wait.c:638
#3 0x00007ffff715ee70 in ARDOUR::Session::auto_connect_thread_run (this=0x55555acd4950) at ../libs/ardour/session.cc:7039
0000004 0x00007ffff715eb86 in ARDOUR::Session::auto_connect_thread (arg=0x55555acd4950) at ../libs/ardour/session.cc:6983
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffa4ad9700 (LWP 51398)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555acd6728) at ../sysdeps/nptl/futex-internal.h:183
0000001 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555acd66d8, cond=0x55555acd6700) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55555acd6700, mutex=0x55555acd66d8) at pthread_cond_wait.c:638
#3 0x00007ffff71d7b67 in ARDOUR::Session::emit_thread_run (this=0x55555acd4950) at ../libs/ardour/session_process.cc:1115
0000004 0x00007ffff71d7b04 in ARDOUR::Session::emit_thread (arg=0x55555acd4950) at ../libs/ardour/session_process.cc:1104
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffc9bed700 (LWP 51397)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559d12c70) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x555559d12c70, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x555559d12c70, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x555559d12c70) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff72cbad6 in ARDOUR::Worker::run (this=0x555559d12c50) at ../libs/ardour/worker.cc:146
0000005 0x00007ffff72ccac8 in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x555559d149b8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6 0x00007ffff72cca10 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x555559d149b0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/ad--Type <RET> for more, q to quit, c to continue without paging--c
aptors/adaptor_trait.h:256
#7 0x00007ffff72cc8e7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x555559d14980) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffa7fff700 (LWP 51396)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559c88b20) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x555559c88b20, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x555559c88b20, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x555559c88b20) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff72cbad6 in ARDOUR::Worker::run (this=0x555559c88b00) at ../libs/ardour/worker.cc:146
0000005 0x00007ffff72ccac8 in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x555559c89008) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6 0x00007ffff72cca10 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x555559c89000) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff72cc8e7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x555559c88fd0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffa7770700 (LWP 51395)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fff8817a810, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff314a0f2 in g_main_loop_run () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff4384736 in BaseUI::main_thread (this=0x55555acd4000) at ../libs/pbd/base_ui.cc:98
0000004 0x00007ffff4388858 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x55555ab32c28) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
0000005 0x00007ffff4388498 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x55555ab32c20) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6 0x00007ffff4387ed9 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x55555ab32bf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000008 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000009 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000010 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fffa6bf9700 (LWP 51394)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fffa6bf8328, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff439a598 in CrossThreadChannel::poll_for_request (this=0x555557c817c8) at ../libs/pbd/crossthread.posix.cc:102
#2 0x00007ffff439a601 in CrossThreadChannel::receive (this=0x555557c817c8, msg=@0x7fffa6bf83ef: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123
#3 0x00007ffff6b82908 in ARDOUR::Butler::thread_work (this=0x555557c81730) at ../libs/ardour/butler.cc:172
0000004 0x00007ffff6b82689 in ARDOUR::Butler::_thread_work (arg=0x555557c81730) at ../libs/ardour/butler.cc:153
0000005 0x00007ffff43bd648 in fake_thread_start (arg=0x55555ab32400) at ../libs/pbd/pthread_utils.cc:107
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fffa6c1a700 (LWP 51393)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555882df00) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555882df00, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555882df00, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555882df00) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff6c9c104 in ARDOUR::Graph::run_one (this=0x55555882de50) at ../libs/ardour/graph.cc:426
0000005 0x00007ffff6c9c5bc in ARDOUR::Graph::helper_thread (this=0x55555882de50) at ../libs/ardour/graph.cc:470
#6 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa6c19cf8, p=0x55555882de50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa6c19d08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000008 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa6c19cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000009 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000010 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffa6c19cf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000011 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x55555ae98980) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
0000012 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000013 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fffa6c3b700 (LWP 51392)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555882df28) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555882df28, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555882df28, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555882df28) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff6c9b494 in ARDOUR::Graph::reached_terminal_node (this=0x55555882de50) at ../libs/ardour/graph.cc:301
0000005 0x00007ffff6ca3221 in ARDOUR::GraphNode::finish (this=0x555559985338, chain=0) at ../libs/ardour/graphnode.cc:73
#6 0x00007ffff6c9e9d2 in ARDOUR::GraphNode::run (this=0x555559985338, chain=0) at ../libs/ardour/ardour/graphnode.h:63
#7 0x00007ffff6c9c272 in ARDOUR::Graph::run_one (this=0x55555882de50) at ../libs/ardour/graph.cc:442
0000008 0x00007ffff6c9c5bc in ARDOUR::Graph::helper_thread (this=0x55555882de50) at ../libs/ardour/graph.cc:470
0000009 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa6c3acf8, p=0x55555882de50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000010 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa6c3ad08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000011 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa6c3acf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000012 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000013 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffa6c3acf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000014 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555582d1d80) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
#15 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000016 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fffa6c5c700 (LWP 51391)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555882df00) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555882df00, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555882df00, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555882df00) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff6c9c104 in ARDOUR::Graph::run_one (this=0x55555882de50) at ../libs/ardour/graph.cc:426
0000005 0x00007ffff6c9c99e in ARDOUR::Graph::main_thread (this=0x55555882de50) at ../libs/ardour/graph.cc:523
#6 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa6c5bcf8, p=0x55555882de50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
#7 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa6c5bd08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000008 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffa6c5bcf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000009 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000010 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffa6c5bcf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000011 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x555557f5fa10) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
0000012 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000013 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fffa6c65700 (LWP 51390)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555845b730) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555845b730) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fffa6c6e700 (LWP 51389)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555845b730) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555845b730) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fffc8008700 (LWP 51388)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555845b730) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555845b730, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555845b730) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555845b700) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fffc8beb700 (LWP 51380)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fffa0002ed0, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007fffd433bf5e in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x555557733c80) at ../libs/backends/alsa/alsa_audiobackend.cc:1341
#2 0x00007fffd433bdf6 in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x555557733c80) at ../libs/backends/alsa/alsa_audiobackend.cc:1304
#3 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000004 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fffc8398700 (LWP 51379)):
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
0000001 0x00007fffecd95859 in __GI_abort () at abort.c:79
#2 0x00007fffed16a951 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007fffed17647c in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
0000004 0x00007fffed1764e7 in std::terminate() () from /lib/x86_64-linux-gnu/libstdc++.so.6
0000005 0x00007fffed177245 in __cxa_pure_virtual () from /lib/x86_64-linux-gnu/libstdc++.so.6
#6 0x00007ffff7260e99 in ARDOUR::SoloControl::actually_set_value (this=0x555561c4fe00, val=0, group_override=PBD::Controllable::NoGroup) at ../libs/ardour/solo_control.cc:164
#7 0x00007ffff6b5f764 in ARDOUR::AutomationControl::set_value (this=0x555561c4fe00, val=0, gcd=PBD::Controllable::NoGroup) at ../libs/ardour/automation_control.cc:147
0000008 0x00007ffff71dba19 in ARDOUR::Session::rt_set_controls (this=0x55555acd4950, cl=..., val=0, gcd=PBD::Controllable::NoGroup) at ../libs/ardour/session_rtevents.cc:77
0000009 0x00007ffff71dda5e in boost::_mfi::mf3<void, ARDOUR::Session, boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > >, double, PBD::Controllable::GroupControlDisposition>::operator() (this=0x55556b1049c0, p=0x55555acd4950, a1=..., a2=0, a3=PBD::Controllable::NoGroup) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:393
0000010 0x00007ffff71dd7b2 in boost::_bi::list4<boost::_bi::value<ARDOUR::Session*>, boost::_bi::value<boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > > >, boost::_bi::value<double>, boost::_bi::value<PBD::Controllable::GroupControlDisposition> >::operator()<boost::_mfi::mf3<void, ARDOUR::Session, boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list0> (this=0x55556b1049d0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:463
0000011 0x00007ffff71dd393 in boost::_bi::bind_t<void, boost::_mfi::mf3<void, ARDOUR::Session, boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4<boost::_bi::value<ARDOUR::Session*>, boost::_bi::value<boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > > >, boost::_bi::value<double>, boost::_bi::value<PBD::Controllable::GroupControlDisposition> > >::operator() (this=0x55556b1049c0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000012 0x00007ffff71dd1a1 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf3<void, ARDOUR::Session, boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4<boost::_bi::value<ARDOUR::Session*>, boost::_bi::value<boost::shared_ptr<std::__cxx11::list<boost::shared_ptr<ARDOUR::AutomationControl>, std::allocator<boost::shared_ptr<ARDOUR::AutomationControl> > > > >, boost::_bi::value<double>, boost::_bi::value<PBD::Controllable::GroupControlDisposition> > >, void>::invoke (function_obj_ptr=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000013 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x555557184378) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000014 0x00007ffff71dbccb in ARDOUR::Session::process_rtop (this=0x55555acd4950, ev=0x555557184310) at ../libs/ardour/session_rtevents.cc:117
#15 0x00007ffff71d732c in ARDOUR::Session::process_event (this=0x55555acd4950, ev=0x555557184310) at ../libs/ardour/session_process.cc:983
0000016 0x00007ffff71d498f in ARDOUR::Session::process_with_events (this=0x55555acd4950, nframes=256) at ../libs/ardour/session_process.cc:361
#17 0x00007ffff71d31fa in ARDOUR::Session::process (this=0x55555acd4950, nframes=256) at ../libs/ardour/session_process.cc:97
0000018 0x00007ffff6b12989 in ARDOUR::AudioEngine::process_callback (this=0x5555574bfd40, nframes=256) at ../libs/ardour/audioengine.cc:475
0000019 0x00007fffd433f5ac in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x555557733c80) at ../libs/backends/alsa/alsa_audiobackend.cc:1902
0000020 0x00007fffd4338c93 in pthread_process (arg=0x555557733c80) at ../libs/backends/alsa/alsa_audiobackend.cc:757
0000021 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000022 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fffcacb7700 (LWP 51378)):
#0 0x00007fffece87f9b in __GI___select (nfds=1, readfds=0x7fffcacb4c00, writefds=0x0, exceptfds=0x0, timeout=0x7fffcacb4c80) at ../sysdeps/unix/sysv/linux/select.c:41
0000001 0x00007ffff43d3df6 in PBD::SystemExec::output_interposer (this=0x555557605ec0) at ../libs/pbd/system_exec.cc:995
#2 0x00007ffff43d2f36 in interposer_thread (arg=0x555557605ec0) at ../libs/pbd/system_exec.cc:375
#3 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000004 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffca462700 (LWP 51368)):
#0 0x00007fffece8596f in __GI___poll (fds=0x55555735e940, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff3149e7c in g_main_context_iteration () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff3149ec1 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000004 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffd543c700 (LWP 51364)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6b1348f in ARDOUR::AudioEngine::do_devicelist_update (this=0x5555574bfd40) at ../libs/ardour/audioengine.cc:684
#3 0x00007ffff6b20493 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x5555571705f0, p=0x5555574bfd40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000004 0x00007ffff6b1fec2 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x555557170600, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000005 0x00007ffff6b1f5ff in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x5555571705f0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6 0x00007ffff6b1edfe in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x5555571705f0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff6b1dfbc in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x5555571705c0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffd6519700 (LWP 51363)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6b13256 in ARDOUR::AudioEngine::do_reset_backend (this=0x5555574bfd40) at ../libs/ardour/audioengine.cc:648
#3 0x00007ffff6b20493 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x5555574c6560, p=0x5555574bfd40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000004 0x00007ffff6b1fec2 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x5555574c6570, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000005 0x00007ffff6b1f5ff in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x5555574c6560) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6 0x00007ffff6b1edfe in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x5555574c6560) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff6b1dfbc in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x5555574c6530) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffe682f700 (LWP 51360)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6ac7296 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:93
#3 0x00007ffff6ac7082 in analyser_work () at ../libs/ardour/analyser.cc:58
0000004 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x55555717fe18) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000005 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x55555717fe10) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x55555717fde0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000008 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000009 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000010 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe7030700 (LWP 51359)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff7267ee0 in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x555557123288) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000004 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557123280) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000005 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557123250) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
#7 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000008 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000009 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffe7831700 (LWP 51358)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff7267ee0 in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x555557166b48) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000004 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557166b40) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000005 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557166b10) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
#7 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000008 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000009 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffe8032700 (LWP 51357)):
#0 0x00007fffece50361 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffe8031bf0, rem=0x7fffe8031c00) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
0000001 0x00007fffece55eb7 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2 0x00007ffff317aa38 in g_usleep () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x000055555677f672 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:463
0000004 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000005 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fffe8eead40 (LWP 51352)):
#0 0x00007fffece8596f in __GI___poll (fds=0x55555736f650, nfds=4, timeout=16) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff314a0f2 in g_main_loop_run () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff273a3e7 in gtk_main () from /opt/Ardour-6.0.35-dbg/lib/libgtk-x11-2.0.so.0
0000004 0x00007ffff476533e in Gtkmm2ext::UI::run (this=0x5555575406e0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:293
0000005 0x00005555561386bc in main (argc=1, argv=0x7fffffffd3c8) at ../gtk2_ardour/main.cc:437
TagsNo tags attached.

Activities

mantis_n1oif

2020-06-01 00:51

reporter   ~0024332

Should have labeled as "sometimes", not "always"

mantis_n1oif

2020-06-01 00:53

reporter   ~0024333

Has now happened 3 times on this one file. I can share MIDI file if necessary.

mantis_n1oif

2020-06-01 00:59

reporter   ~0024334

Another stack trace. This one happened a little later after I had removed some tracks and tried to start playback.

[Thread 0x7fff677fe700 (LWP 52041) exited]
[Thread 0x7fff67fff700 (LWP 52042) exited]
[Thread 0x7fff66ffd700 (LWP 52043) exited]
AlsaMidiBuffer: it's too late for this event. 255 > 0
AlsaMidiBuffer: it's too late for this event. 255 > 0
AlsaMidiBuffer: it's too late for this event. 255 > 0
AlsaMidiBuffer: it's too late for this event. 255 > 0
AlsaMidiBuffer: it's too late for this event. 255 > 0
locate took 4471 usecs for 10 tracks = 447 per track
--Type <RET> for more, q to quit, c to continue without paging--c

Thread 32 "RT-2-0x7fffaec1" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffaec1a700 (LWP 51936)]
0x00007fffed1ff77e in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) thread apply all bt

Thread 66 (Thread 0x7fff657fa700 (LWP 52031)):
#0 0x00007fffece8596f in __GI___poll (fds=0x5555620e5070, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff314a0f2 in g_main_loop_run () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff166b516 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgio-2.0.so.0
0000004 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 51 (Thread 0x7fff7d7fc700 (LWP 52016)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555561dac430) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x555561dac430, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x555561dac430, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x555561dac430) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff72cbad6 in ARDOUR::Worker::run (this=0x555561dac410) at ../libs/ardour/worker.cc:146
0000005 0x00007ffff72ccac8 in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x555562488148) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6 0x00007ffff72cca10 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x555562488140) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff72cc8e7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x555562488110) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fff7f7fe700 (LWP 51943)):
#0 0x00007fffece50361 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fff7f7fdbb0, rem=0x7fff7f7fdbc0) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
0000001 0x00007fffece55eb7 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2 0x00007ffff317aa38 in g_usleep () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff6b6cdce in ARDOUR::AutomationWatch::thread (this=0x555559422b10) at ../libs/ardour/automation_watch.cc:195
0000004 0x00007ffff6b72611 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x5555588ed480, p=0x555559422b10) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000005 0x00007ffff6b72256 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x5555588ed490, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
#6 0x00007ffff6b71977 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x5555588ed480) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#7 0x00007ffff6b718f8 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=0x5555588ed480) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000008 0x00007ffff6b71156 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=0x5555588ed450) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000009 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000010 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000011 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000012 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fff7ffff700 (LWP 51942)):
--Type <RET> for more, q to quit, c to continue without paging--c
#0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555ad1a248) at ../sysdeps/nptl/futex-internal.h:183
0000001 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555ad1a1f8, cond=0x55555ad1a220) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55555ad1a220, mutex=0x55555ad1a1f8) at pthread_cond_wait.c:638
#3 0x00007ffff715ee70 in ARDOUR::Session::auto_connect_thread_run (this=0x55555ad18400) at ../libs/ardour/session.cc:7039
0000004 0x00007ffff715eb86 in ARDOUR::Session::auto_connect_thread (arg=0x55555ad18400) at ../libs/ardour/session.cc:6983
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fffaccda700 (LWP 51941)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55555ad1a1d8) at ../sysdeps/nptl/futex-internal.h:183
0000001 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55555ad1a188, cond=0x55555ad1a1b0) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55555ad1a1b0, mutex=0x55555ad1a188) at pthread_cond_wait.c:638
#3 0x00007ffff71d7b67 in ARDOUR::Session::emit_thread_run (this=0x55555ad18400) at ../libs/ardour/session_process.cc:1115
0000004 0x00007ffff71d7b04 in ARDOUR::Session::emit_thread (arg=0x55555ad18400) at ../libs/ardour/session_process.cc:1104
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fffcacb7700 (LWP 51940)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559cc91b0) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x555559cc91b0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x555559cc91b0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x555559cc91b0) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff72cbad6 in ARDOUR::Worker::run (this=0x555559cc9190) at ../libs/ardour/worker.cc:146
0000005 0x00007ffff72ccac8 in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x555559cc9288) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6 0x00007ffff72cca10 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x555559cc9280) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff72cc8e7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x555559cc9250) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fffc9bed700 (LWP 51939)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555559c529d0) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x555559c529d0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x555559c529d0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x555559c529d0) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff72cbad6 in ARDOUR::Worker::run (this=0x555559c529b0) at ../libs/ardour/worker.cc:146
0000005 0x00007ffff72ccac8 in sigc::bound_mem_functor0<void, ARDOUR::Worker>::operator() (this=0x555559c890e8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#6 0x00007ffff72cca10 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR::Worker> >::operator() (this=0x555559c890e0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff72cc8e7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR::Worker>, void>::call_it (rep=0x555559c890b0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fffaf770700 (LWP 51938)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fff8817a810, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff314a0f2 in g_main_loop_run () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff4384736 in BaseUI::main_thread (this=0x55555ad06a00) at ../libs/pbd/base_ui.cc:98
0000004 0x00007ffff4388858 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x55555abe9ef8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
0000005 0x00007ffff4388498 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x55555abe9ef0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6 0x00007ffff4387ed9 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x55555abe9ec0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000008 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000009 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000010 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fffaebf9700 (LWP 51937)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fffaebf8328, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff439a598 in CrossThreadChannel::poll_for_request (this=0x555557e21898) at ../libs/pbd/crossthread.posix.cc:102
#2 0x00007ffff439a601 in CrossThreadChannel::receive (this=0x555557e21898, msg=@0x7fffaebf83ef: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123
#3 0x00007ffff6b82908 in ARDOUR::Butler::thread_work (this=0x555557e21800) at ../libs/ardour/butler.cc:172
0000004 0x00007ffff6b82689 in ARDOUR::Butler::_thread_work (arg=0x555557e21800) at ../libs/ardour/butler.cc:153
0000005 0x00007ffff43bd648 in fake_thread_start (arg=0x55555abe96d0) at ../libs/pbd/pthread_utils.cc:107
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fffaec1a700 (LWP 51936)):
#0 0x00007fffed1ff77e in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
0000001 0x00007fffed1ffa4c in std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#2 0x00007ffff43da8f5 in Transmitter::deliver (this=0x555557031e00 <PBD::warning>) at ../libs/pbd/transmitter.cc:65
#3 0x0000555555b5ec3a in endmsg (ostr=...) at ../libs/pbd/pbd/transmitter.h:91
0000004 0x00007ffff728396c in ARDOUR::TempoMap::bbt_at_sample (this=0x55555ae6d610, sample=-501) at ../libs/ardour/tempo.cc:2260
0000005 0x00007ffff72dda45 in ARDOUR::LV2Plugin::connect_and_run (this=0x55555c43d160, bufs=..., start=-501, end=-245, speed=1, in_map=..., out_map=..., nframes=256, offset=0) at ../libs/ardour/lv2_plugin.cc:3061
#6 0x00007ffff702c191 in ARDOUR::PluginInsert::connect_and_run (this=0x55555c47b110, bufs=..., start=-501, end=-245, speed=1, nframes=256, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:1042
#7 0x00007ffff702d70f in ARDOUR::PluginInsert::run (this=0x55555c47b110, bufs=..., start_sample=-501, end_sample=-245, speed=1, nframes=256) at ../libs/ardour/plugin_insert.cc:1247
0000008 0x00007ffff70d960e in ARDOUR::Route::process_output_buffers (this=0x55555c1d1f80, bufs=..., start_sample=-501, end_sample=-245, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:518
0000009 0x00007ffff70da645 in ARDOUR::Route::run_route (this=0x55555c1d1f80, start_sample=-1024, end_sample=-768, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:700
0000010 0x00007ffff70edbce in ARDOUR::Route::no_roll_unlocked (this=0x55555c1d1f80, nframes=256, start_sample=-1024, end_sample=-768, session_state_changing=false) at ../libs/ardour/route.cc:3939
0000011 0x00007ffff6fa4e8f in ARDOUR::MidiTrack::no_roll_unlocked (this=0x55555c1d1f80, nframes=256, start_sample=-1024, end_sample=-768, state_changing=false) at ../libs/ardour/midi_track.cc:344
0000012 0x00007ffff70ed7fa in ARDOUR::Route::latency_preroll (this=0x55555c1d1f80, nframes=256, start_sample=@0x7fffaec19768: 0, end_sample=@0x7fffaec19760: 256) at ../libs/ardour/route.cc:3864
0000013 0x00007ffff70ed8e7 in ARDOUR::Route::roll (this=0x55555c1d1f80, nframes=256, start_sample=0, end_sample=256, need_butler=@0x7fffaec197cf: false) at ../libs/ardour/route.cc:3888
0000014 0x00007ffff6c9e7c5 in ARDOUR::Graph::process_one_route (this=0x55555965ce50, route=0x55555c1d1f80) at ../libs/ardour/graph.cc:672
#15 0x00007ffff6ca327c in ARDOUR::GraphNode::process (this=0x55555c1d2458) at ../libs/ardour/graphnode.cc:80
0000016 0x00007ffff6c9e9c1 in ARDOUR::GraphNode::run (this=0x55555c1d2458, chain=0) at ../libs/ardour/ardour/graphnode.h:62
#17 0x00007ffff6c9c272 in ARDOUR::Graph::run_one (this=0x55555965ce50) at ../libs/ardour/graph.cc:442
0000018 0x00007ffff6c9c5bc in ARDOUR::Graph::helper_thread (this=0x55555965ce50) at ../libs/ardour/graph.cc:470
0000019 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaec19cf8, p=0x55555965ce50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000020 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffaec19d08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000021 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffaec19cf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000022 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000023 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffaec19cf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
#24 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555586f2270) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
0000025 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000026 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fffaec3b700 (LWP 51935)):
#0 __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:500
0000001 0x00007fffed20d388 in std::basic_streambuf<char, std::char_traits<char> >::xsputn(char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#2 0x00007fffed1ff784 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff7283957 in ARDOUR::TempoMap::bbt_at_sample (this=0x55555ae6d610, sample=-501) at ../libs/ardour/tempo.cc:2260
0000004 0x00007ffff72dda45 in ARDOUR::LV2Plugin::connect_and_run (this=0x555559a008f0, bufs=..., start=-501, end=-245, speed=1, in_map=..., out_map=..., nframes=256, offset=0) at ../libs/ardour/lv2_plugin.cc:3061
0000005 0x00007ffff702c191 in ARDOUR::PluginInsert::connect_and_run (this=0x5555599f88e0, bufs=..., start=-501, end=-245, speed=1, nframes=256, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:1042
#6 0x00007ffff702d70f in ARDOUR::PluginInsert::run (this=0x5555599f88e0, bufs=..., start_sample=-501, end_sample=-245, speed=1, nframes=256) at ../libs/ardour/plugin_insert.cc:1247
#7 0x00007ffff70d960e in ARDOUR::Route::process_output_buffers (this=0x5555599941d0, bufs=..., start_sample=-501, end_sample=-245, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:518
0000008 0x00007ffff70da645 in ARDOUR::Route::run_route (this=0x5555599941d0, start_sample=-1024, end_sample=-768, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:700
0000009 0x00007ffff70edbce in ARDOUR::Route::no_roll_unlocked (this=0x5555599941d0, nframes=256, start_sample=-1024, end_sample=-768, session_state_changing=false) at ../libs/ardour/route.cc:3939
0000010 0x00007ffff70ed7fa in ARDOUR::Route::latency_preroll (this=0x5555599941d0, nframes=256, start_sample=@0x7fffaec3a768: 0, end_sample=@0x7fffaec3a760: 256) at ../libs/ardour/route.cc:3864
0000011 0x00007ffff70ed8e7 in ARDOUR::Route::roll (this=0x5555599941d0, nframes=256, start_sample=0, end_sample=256, need_butler=@0x7fffaec3a7cf: false) at ../libs/ardour/route.cc:3888
0000012 0x00007ffff6c9e7c5 in ARDOUR::Graph::process_one_route (this=0x55555965ce50, route=0x5555599941d0) at ../libs/ardour/graph.cc:672
0000013 0x00007ffff6ca327c in ARDOUR::GraphNode::process (this=0x5555599946a8) at ../libs/ardour/graphnode.cc:80
0000014 0x00007ffff6c9e9c1 in ARDOUR::GraphNode::run (this=0x5555599946a8, chain=0) at ../libs/ardour/ardour/graphnode.h:62
#15 0x00007ffff6c9c272 in ARDOUR::Graph::run_one (this=0x55555965ce50) at ../libs/ardour/graph.cc:442
0000016 0x00007ffff6c9c5bc in ARDOUR::Graph::helper_thread (this=0x55555965ce50) at ../libs/ardour/graph.cc:470
#17 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaec3acf8, p=0x55555965ce50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000018 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffaec3ad08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000019 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffaec3acf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000020 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000021 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffaec3acf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000022 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555582d4360) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
0000023 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#24 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fffaec5c700 (LWP 51934)):
#0 __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:497
0000001 0x00007fffed20d388 in std::basic_streambuf<char, std::char_traits<char> >::xsputn(char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#2 0x00007fffed1ff784 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff7283957 in ARDOUR::TempoMap::bbt_at_sample (this=0x55555ae6d610, sample=-501) at ../libs/ardour/tempo.cc:2260
0000004 0x00007ffff72dda45 in ARDOUR::LV2Plugin::connect_and_run (this=0x55555cfc74d0, bufs=..., start=-501, end=-245, speed=1, in_map=..., out_map=..., nframes=256, offset=0) at ../libs/ardour/lv2_plugin.cc:3061
0000005 0x00007ffff702c191 in ARDOUR::PluginInsert::connect_and_run (this=0x55555d005440, bufs=..., start=-501, end=-245, speed=1, nframes=256, offset=0, with_auto=true) at ../libs/ardour/plugin_insert.cc:1042
#6 0x00007ffff702d70f in ARDOUR::PluginInsert::run (this=0x55555d005440, bufs=..., start_sample=-501, end_sample=-245, speed=1, nframes=256) at ../libs/ardour/plugin_insert.cc:1247
#7 0x00007ffff70d960e in ARDOUR::Route::process_output_buffers (this=0x55555cd587c0, bufs=..., start_sample=-501, end_sample=-245, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:518
0000008 0x00007ffff70da645 in ARDOUR::Route::run_route (this=0x55555cd587c0, start_sample=-1024, end_sample=-768, nframes=256, gain_automation_ok=false, run_disk_reader=false) at ../libs/ardour/route.cc:700
0000009 0x00007ffff70edbce in ARDOUR::Route::no_roll_unlocked (this=0x55555cd587c0, nframes=256, start_sample=-1024, end_sample=-768, session_state_changing=false) at ../libs/ardour/route.cc:3939
0000010 0x00007ffff6fa4e8f in ARDOUR::MidiTrack::no_roll_unlocked (this=0x55555cd587c0, nframes=256, start_sample=-1024, end_sample=-768, state_changing=false) at ../libs/ardour/midi_track.cc:344
0000011 0x00007ffff70ed7fa in ARDOUR::Route::latency_preroll (this=0x55555cd587c0, nframes=256, start_sample=@0x7fffaec5b6f8: 0, end_sample=@0x7fffaec5b6f0: 256) at ../libs/ardour/route.cc:3864
0000012 0x00007ffff70ed8e7 in ARDOUR::Route::roll (this=0x55555cd587c0, nframes=256, start_sample=0, end_sample=256, need_butler=@0x7fffaec5b75f: false) at ../libs/ardour/route.cc:3888
0000013 0x00007ffff6c9e7c5 in ARDOUR::Graph::process_one_route (this=0x55555965ce50, route=0x55555cd587c0) at ../libs/ardour/graph.cc:672
0000014 0x00007ffff6ca327c in ARDOUR::GraphNode::process (this=0x55555cd58c98) at ../libs/ardour/graphnode.cc:80
#15 0x00007ffff6c9e9c1 in ARDOUR::GraphNode::run (this=0x55555cd58c98, chain=0) at ../libs/ardour/ardour/graphnode.h:62
0000016 0x00007ffff6c9c272 in ARDOUR::Graph::run_one (this=0x55555965ce50) at ../libs/ardour/graph.cc:442
#17 0x00007ffff6c9c99e in ARDOUR::Graph::main_thread (this=0x55555965ce50) at ../libs/ardour/graph.cc:523
0000018 0x00007ffff6ca2b59 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffaec5bcf8, p=0x55555965ce50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000019 0x00007ffff6ca230e in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffaec5bd08, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000020 0x00007ffff6ca176b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffaec5bcf8) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
0000021 0x00007ffff6ca100f 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-v5/gtk/inst/include/boost/function/function_template.hpp:159
0000022 0x0000555555b8c7ec in boost::function0<void>::operator() (this=0x7fffaec5bcf0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/function/function_template.hpp:769
0000023 0x00007fffd433b08b in ARDOUR::AlsaAudioBackend::alsa_process_thread (arg=0x5555584c76a0) at ../libs/backends/alsa/alsa_audiobackend.cc:1141
#24 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000025 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fffaec65700 (LWP 51933)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555818dd20) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555818dd20) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fffaec6e700 (LWP 51932)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555818dd20) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555818dd20) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fffc8008700 (LWP 51931)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555818dd20) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555818dd20, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555818dd20) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff71222ed in ARDOUR::RTTaskList::run (this=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:112
0000005 0x00007ffff71220dc in ARDOUR::RTTaskList::_thread_run (arg=0x55555818dcf0) at ../libs/ardour/rt_tasklist.cc:67
#6 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fffc8beb700 (LWP 51923)):
#0 0x00007fffece8596f in __GI___poll (fds=0x7fffa8002f60, nfds=1, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007fffd433bf5e in ARDOUR::AlsaAudioBackend::midi_device_thread (this=0x55555774bc80) at ../libs/backends/alsa/alsa_audiobackend.cc:1341
#2 0x00007fffd433bdf6 in ARDOUR::AlsaAudioBackend::_midi_device_thread (arg=0x55555774bc80) at ../libs/backends/alsa/alsa_audiobackend.cc:1304
#3 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000004 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fffc8398700 (LWP 51922)):
#0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55555965cf48) at ../sysdeps/nptl/futex-internal.h:320
0000001 do_futex_wait (sem=sem@entry=0x55555965cf48, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2 0x00007fffef2714e8 in __new_sem_wait_slow (sem=0x55555965cf48, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3 0x00007ffff6c9e968 in PBD::Semaphore::wait (this=0x55555965cf48) at ../libs/pbd/pbd/semutils.h:64
0000004 0x00007ffff6c9e111 in ARDOUR::Graph::process_routes (this=0x55555965ce50, nframes=256, start_sample=0, end_sample=256, need_butler=@0x7fffc83973e7: false) at ../libs/ardour/graph.cc:626
0000005 0x00007ffff71d3f9c in ARDOUR::Session::process_routes (this=0x55555ad18400, nframes=256, need_butler=@0x7fffc83973e7: false) at ../libs/ardour/session_process.cc:233
#6 0x00007ffff71d4c65 in ARDOUR::Session::process_with_events (this=0x55555ad18400, nframes=256) at ../libs/ardour/session_process.cc:397
#7 0x00007ffff71d31fa in ARDOUR::Session::process (this=0x55555ad18400, nframes=256) at ../libs/ardour/session_process.cc:97
0000008 0x00007ffff6b12989 in ARDOUR::AudioEngine::process_callback (this=0x5555574c0360, nframes=256) at ../libs/ardour/audioengine.cc:475
0000009 0x00007fffd433f5ac in ARDOUR::AlsaAudioBackend::main_process_thread (this=0x55555774bc80) at ../libs/backends/alsa/alsa_audiobackend.cc:1902
0000010 0x00007fffd4338c93 in pthread_process (arg=0x55555774bc80) at ../libs/backends/alsa/alsa_audiobackend.cc:757
0000011 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000012 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fffc93ec700 (LWP 51921)):
#0 0x00007fffece87f9b in __GI___select (nfds=1, readfds=0x7fffc93e9c00, writefds=0x0, exceptfds=0x0, timeout=0x7fffc93e9c80) at ../sysdeps/unix/sysv/linux/select.c:41
0000001 0x00007ffff43d3df6 in PBD::SystemExec::output_interposer (this=0x5555578da4c0) at ../libs/pbd/system_exec.cc:995
#2 0x00007ffff43d2f36 in interposer_thread (arg=0x5555578da4c0) at ../libs/pbd/system_exec.cc:375
#3 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000004 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffca462700 (LWP 51913)):
#0 0x00007fffece8596f in __GI___poll (fds=0x55555735ed20, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
0000001 0x00007ffff3149d66 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff3149e7c in g_main_context_iteration () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff3149ec1 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000004 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000005 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffd543c700 (LWP 51909)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6b1348f in ARDOUR::AudioEngine::do_devicelist_update (this=0x5555574c0360) at ../libs/ardour/audioengine.cc:684
#3 0x00007ffff6b20493 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x5555571698d0, p=0x5555574c0360) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000004 0x00007ffff6b1fec2 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x5555571698e0, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000005 0x00007ffff6b1f5ff in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x5555571698d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6 0x00007ffff6b1edfe in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x5555571698d0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff6b1dfbc in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x5555571698a0) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffd6519700 (LWP 51908)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6b13256 in ARDOUR::AudioEngine::do_reset_backend (this=0x5555574c0360) at ../libs/ardour/audioengine.cc:648
#3 0x00007ffff6b20493 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x5555574c6b80, p=0x5555574c0360) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/mem_fn_template.hpp:49
0000004 0x00007ffff6b1fec2 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x5555574c6b90, f=..., a=...) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:259
0000005 0x00007ffff6b1f5ff in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x5555574c6b80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/boost/bind/bind.hpp:1294
#6 0x00007ffff6b1edfe in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x5555574c6b80) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#7 0x00007ffff6b1dfbc in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x5555574c6b50) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
0000008 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000009 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000010 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000011 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffe682f700 (LWP 51906)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff6ac7296 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:93
#3 0x00007ffff6ac7082 in analyser_work () at ../libs/ardour/analyser.cc:58
0000004 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x555557125238) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000005 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557125230) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
#6 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557125200) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
0000008 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000009 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000010 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe7030700 (LWP 51905)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff7267ee0 in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x555557180648) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000004 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557180640) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000005 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557180610) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
#7 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000008 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000009 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffe7831700 (LWP 51904)):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
0000001 0x00007ffff319ae4c in g_cond_wait () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#2 0x00007ffff7267ee0 in peak_thread_work () at ../libs/ardour/source_factory.cc:74
#3 0x000055555640603b in sigc::pointer_functor0<void>::operator() (this=0x555557167178) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
0000004 0x000055555640316e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x555557167170) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256
0000005 0x00005555563feff7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x555557167140) at /home/ardour/linux-x86_64-v5/gtk/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6 0x00007ffff36e3c4d in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglibmm-2.4.so.1
#7 0x00007ffff31791e5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000008 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000009 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffe8032700 (LWP 51903)):
#0 0x00007fffece50361 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7fffe8031bf0, rem=0x7fffe8031c00) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
0000001 0x00007fffece55eb7 in __GI___nanosleep (requested_time=<optimized out>, remaining=<optimized out>) at nanosleep.c:27
#2 0x00007ffff317aa38 in g_usleep () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x000055555677f672 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:463
0000004 0x00007fffef267609 in start_thread (arg=<optimized out>) at pthread_create.c:477
0000005 0x00007fffece92103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fffe8eead40 (LWP 51899)):
#0 __vfprintf_internal (s=0x0, format=0x7ffff32220c8 "GLib (gthread-posix.c): Unexpected error from C library during '%s': %s. Aborting.\n", ap=ap@entry=0x7fffffffc200, mode_flags=mode_flags@entry=0) at vfprintf-internal.c:1328
0000001 0x00007fffecdd4dea in __fprintf (stream=<optimized out>, format=<optimized out>) at fprintf.c:32
#2 0x00007ffff319a0c7 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
#3 0x00007ffff319a8b3 in g_private_set () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000004 0x00007ffff316eba5 in g_slice_alloc () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000005 0x00007ffff2306c53 in gdk_color_copy () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
#6 0x00007ffff01b19f5 in Gdk::Color::Color(_GdkColor*, bool) () from /opt/Ardour-6.0.35-dbg/lib/libgdkmm-2.4.so.1
#7 0x00007ffff08f1436 in Gtk::Style::get_bg(Gtk::StateType) const () from /opt/Ardour-6.0.35-dbg/lib/libgtkmm-2.4.so.1
0000008 0x00007ffff474ffb7 in CairoWidget::get_parent_bg (this=0x5555575419b0) at ../libs/gtkmm2ext/cairo_widget.cc:320
0000009 0x00007ffff474f618 in CairoWidget::on_expose_event (this=0x5555575419b0, ev=0x7fffffffcb30) at ../libs/gtkmm2ext/cairo_widget.cc:185
0000010 0x00007ffff0921268 in Gtk::Widget_Class::expose_event_callback(_GtkWidget*, _GdkEventExpose*) () from /opt/Ardour-6.0.35-dbg/lib/libgtkmm-2.4.so.1
0000011 0x00007ffff273ccac in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgtk-x11-2.0.so.0
0000012 0x00007ffff3458945 in g_closure_invoke () from /opt/Ardour-6.0.35-dbg/lib/libgobject-2.0.so.0
0000013 0x00007ffff346a5a0 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgobject-2.0.so.0
0000014 0x00007ffff347369b in g_signal_emit_valist () from /opt/Ardour-6.0.35-dbg/lib/libgobject-2.0.so.0
#15 0x00007ffff3474082 in g_signal_emit () from /opt/Ardour-6.0.35-dbg/lib/libgobject-2.0.so.0
0000016 0x00007ffff28c164c in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgtk-x11-2.0.so.0
#17 0x00007ffff273baa8 in gtk_main_do_event () from /opt/Ardour-6.0.35-dbg/lib/libgtk-x11-2.0.so.0
0000018 0x00007ffff2339dff in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000019 0x00007ffff2339da5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000020 0x00007ffff2339da5 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000021 0x00007ffff2336961 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000022 0x00007ffff2337258 in gdk_window_process_all_updates () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000023 0x00007ffff23372b9 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
#24 0x00007ffff2304817 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libgdk-x11-2.0.so.0
0000025 0x00007ffff3149a2a in g_main_context_dispatch () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000026 0x00007ffff3149dd0 in ?? () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000027 0x00007ffff314a0f2 in g_main_loop_run () from /opt/Ardour-6.0.35-dbg/lib/libglib-2.0.so.0
0000028 0x00007ffff273a3e7 in gtk_main () from /opt/Ardour-6.0.35-dbg/lib/libgtk-x11-2.0.so.0
0000029 0x00007ffff476533e in Gtkmm2ext::UI::run (this=0x555557541090, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:293
0000030 0x00005555561386bc in main (argc=1, argv=0x7fffffffd3c8) at ../gtk2_ardour/main.cc:437

Issue History

Date Modified Username Field Change
2020-06-01 00:49 mantis_n1oif New Issue
2020-06-01 00:51 mantis_n1oif Note Added: 0024332
2020-06-01 00:53 mantis_n1oif Note Added: 0024333
2020-06-01 00:59 mantis_n1oif Note Added: 0024334