(gdb) run Starting program: /home/alexander/media/sw/ardour/build/gtk2_ardour/ardour-6.0.pre1.242 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". bind txt domain [gtk2_ardour6] to /usr/local/share/ardour6/locale Ardour6.0.pre1.242 (built using 6.0-rc1-112-gb0daa85bfb and GCC version 9.2.1 20200123) Ardour: [INFO]: Your system is configured to limit Ardour to 1048576 open files Ardour: [INFO]: Loading system configuration file /home/alexander/media/sw/ardour/system_config Ardour: [INFO]: Loading user configuration file /home/alexander/.config/ardour6/config [New Thread 0x7fffeed45700 (LWP 178801)] Ardour: [INFO]: CPU vendor: GenuineIntel Ardour: [INFO]: AVX-capable processor Ardour: [INFO]: CPU brand: Intel(R) Core(TM) i9-9900 CPU @ 3.10GHz Ardour: [INFO]: Using SSE optimized routines [New Thread 0x7fffee544700 (LWP 178802)] [New Thread 0x7fffedd43700 (LWP 178803)] [New Thread 0x7fffed542700 (LWP 178804)] Ardour: [INFO]: Loading plugin meta data file /home/alexander/media/sw/ardour/share/plugin_metadata/plugin_tags [New Thread 0x7fffdf27b700 (LWP 178805)] [Thread 0x7fffdf27b700 (LWP 178805) exited] [New Thread 0x7fffdf27b700 (LWP 178806)] [New Thread 0x7fffde462700 (LWP 178807)] [New Thread 0x7fffdd3d1700 (LWP 178808)] Ardour: [INFO]: Loading 449 MIDI patches from ./gtk2_ardour/../share/patchfiles Ardour: [INFO]: Loading default ui configuration file /home/alexander/media/sw/ardour/build/gtk2_ardour/default_ui_config Ardour: [INFO]: Loading user ui configuration file /home/alexander/.config/ardour6/ui_config [New Thread 0x7fffdca1b700 (LWP 178809)] [New Thread 0x7fffcbfff700 (LWP 178810)] [New Thread 0x7fffcb7fe700 (LWP 178811)] Color shuttle bg not found Color play head not found Ardour: [INFO]: Loading color file /home/alexander/media/sw/ardour/gtk2_ardour/themes/dark-ardour.colors Ardour: [INFO]: Loading ui configuration file /home/alexander/media/sw/ardour/build/gtk2_ardour/clearlooks.rc Ardour: [INFO]: Loading bindings from /home/alexander/media/sw/ardour/build/gtk2_ardour/ardour.keys Loading ui configuration file /home/alexander/media/sw/ardour/build/gtk2_ardour/clearlooks.rc [New Thread 0x7fffdc1e8700 (LWP 178812)] [New Thread 0x7fffdc167700 (LWP 178813)] [Thread 0x7fffdc167700 (LWP 178813) exited] [Thread 0x7fffdc1e8700 (LWP 178812) exited] [New Thread 0x7fffdc1e8700 (LWP 178814)] [New Thread 0x7fffdc167700 (LWP 178815)] [Thread 0x7fffdc167700 (LWP 178815) exited] [Thread 0x7fffdc1e8700 (LWP 178814) exited] [New Thread 0x7fffcaffd700 (LWP 178816)] [New Thread 0x7fffca7fc700 (LWP 178817)] Found nothing along /home/alexander/.config/ardour6/templates:./gtk2_ardour/../share/templates:./gtk2_ardour/../build/templates:./gtk2_ardour/../gtk2_ardour/templates:./gtk2_ardour/../build/gtk2_ardour/templates:./templates [Thread 0x7fffcaffd700 (LWP 178816) exited] [Thread 0x7fffcb7fe700 (LWP 178811) exited] [Thread 0x7fffdd3d1700 (LWP 178808) exited] [New Thread 0x7fffcb7fe700 (LWP 178823)] [Thread 0x7fffca7fc700 (LWP 178817) exited] [New Thread 0x7fffdc1e8700 (LWP 178824)] [New Thread 0x7fffdc167700 (LWP 178825)] [New Thread 0x7fffc9ba0700 (LWP 178826)] [New Thread 0x7fffca7fc700 (LWP 178827)] [Thread 0x7fffcb7fe700 (LWP 178823) exited] lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///usr/lib/x86_64-linux-gnu/lv2/nrepel.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/nrepel.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-reverb.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-reverb.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-delay.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-delay.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-eq.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-eq.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-fluidsynth.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-fluidsynth.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-comp.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-comp.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-comp.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-comp.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/reasonablesynth.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/reasonablesynth.lv2/ (ignored) lilv_world_load_bundle(): warning: Replacing version 768.0 of from lilv_world_load_bundle(): note: New version 775.3 found in Scanning folders for bundled LV2s: ./gtk2_ardour/../build/libs/LV2 lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///usr/lib/x86_64-linux-gnu/lv2/nrepel.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/nrepel.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-reverb.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-reverb.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-delay.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-delay.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-eq.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-eq.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-fluidsynth.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-fluidsynth.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-comp.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-comp.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/a-comp.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/a-comp.lv2/ (ignored) lilv_world_add_plugin(): warning: Duplicate plugin lilv_world_add_plugin(): warning: ... found in file:///home/alexander/media/sw/ardour/build/libs/LV2/reasonablesynth.lv2/ lilv_world_add_plugin(): warning: ... and file:///usr/lib/lv2/reasonablesynth.lv2/ (ignored) lilv_world_load_bundle(): warning: Replacing version 768.0 of from lilv_world_load_bundle(): note: New version 775.3 found in [New Thread 0x7fffcb7fe700 (LWP 178833)] [Detaching after vfork from child process 178834] [New Thread 0x7fffcaffd700 (LWP 178835)] [Thread 0x7fffcaffd700 (LWP 178835) exited] [Thread 0x7fffca7fc700 (LWP 178827) exited] [Detaching after vfork from child process 178836] [New Thread 0x7fffcaffd700 (LWP 178837)] [Thread 0x7fffcaffd700 (LWP 178837) exited] Set cursor set to default loading from /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16 as Untitled-2020-04-27-02-03-16 templ is_new 1 bp 2 [New Thread 0x7fffc8e3e700 (LWP 178838)] [New Thread 0x7fffc8e35700 (LWP 178839)] [New Thread 0x7fffc8e2c700 (LWP 178840)] [New Thread 0x7fffc8e23700 (LWP 178841)] [New Thread 0x7fffc8e1a700 (LWP 178842)] [New Thread 0x7fffc8e11700 (LWP 178843)] [New Thread 0x7fffc8e08700 (LWP 178844)] [New Thread 0x7fffc8dff700 (LWP 178845)] [New Thread 0x7fffc8df6700 (LWP 178846)] [New Thread 0x7fffc8ded700 (LWP 178847)] [New Thread 0x7fffc8de4700 (LWP 178848)] [New Thread 0x7fffc8ddb700 (LWP 178849)] [New Thread 0x7fffc8dd2700 (LWP 178850)] [New Thread 0x7fffc8dc9700 (LWP 178851)] [New Thread 0x7fffc8dc0700 (LWP 178852)] [New Thread 0x7fffc8db7700 (LWP 178853)] [New Thread 0x7fffc8d36700 (LWP 178854)] [New Thread 0x7fffc8cb5700 (LWP 178855)] [New Thread 0x7fffc8c34700 (LWP 178856)] [New Thread 0x7fffc8bb3700 (LWP 178857)] [New Thread 0x7fffc8b32700 (LWP 178858)] [New Thread 0x7fffc8ab1700 (LWP 178859)] [New Thread 0x7fffc8a30700 (LWP 178860)] [New Thread 0x7fffc89af700 (LWP 178861)] [New Thread 0x7fffc892e700 (LWP 178862)] [New Thread 0x7fffc88ad700 (LWP 178863)] [New Thread 0x7fffc882c700 (LWP 178864)] [New Thread 0x7fffc87ab700 (LWP 178865)] [New Thread 0x7fffc872a700 (LWP 178866)] [New Thread 0x7fffc86a9700 (LWP 178867)] [New Thread 0x7fff2f8e4700 (LWP 178868)] [New Thread 0x7fffcaffd700 (LWP 178869)] actually writing state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.tmp renaming state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.ardour saved state in 13.5 ms [New Thread 0x7fffca7fc700 (LWP 178870)] [New Thread 0x7fff2db81700 (LWP 178871)] actually writing state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.tmp renaming state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.ardour saved state in 1.0 ms [New Thread 0x7fff2d380700 (LWP 178872)] locate took 161 usecs for 1 tracks = 161 per track actually writing state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.tmp renaming state to /home/alexander/media/ardour-sessions/Untitled-2020-04-27-02-03-16/Untitled-2020-04-27-02-03-16.ardour saved state in 1.1 ms [Thread 0x7fffcb7fe700 (LWP 178833) exited] ^C Thread 1 "gui" received signal SIGINT, Interrupt. __libc_read (nbytes=4, buf=0x7fffffffb048, fd=12) at ../sysdeps/unix/sysv/linux/read.c:26 26 ../sysdeps/unix/sysv/linux/read.c: No such file or directory. (gdb) thread apply all bt Thread 61 (Thread 0x7fff2d380700 (LWP 178872)): #0 0x00007ffff47f8575 in __GI___nanosleep (requested_time=requested_time@entry=0x7fff2d37f880, remaining=remaining@entry=0x7fff2d37f890) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 #1 0x00007ffff5724f2f in g_usleep (microseconds=) at ../../../glib/gtimer.c:277 #2 0x00007ffff71ae15b in ARDOUR::AutomationWatch::thread() (this=0x5555591bb400) at ../libs/ardour/automation_watch.cc:195 #3 0x00007ffff71b3469 in boost::_mfi::mf0::operator()(ARDOUR::AutomationWatch*) const (this=0x555559206230, p=0x5555591bb400) at /usr/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff71b307b in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x555559206240, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #5 0x00007ffff71b2969 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x555559206230) at /usr/include/boost/bind/bind.hpp:1294 #6 0x00007ffff71b28fa in sigc::adaptor_functor, boost::_bi::list1 > > >::operator()() const (this=0x555559206230) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff71b234c in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it(sigc::internal::slot_rep*) (rep=0x555559206200) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #8 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555559208b70) at threads.cc:77 #9 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555559208b70) at threads.cc:64 #10 0x00007ffff572352d in g_thread_proxy (data=0x555559201b60) at ../../../glib/gthread.c:807 #11 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #12 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 60 (Thread 0x7fff2db81700 (LWP 178871)): #0 __libc_read (nbytes=4, buf=0x7fff2db80178, fd=12) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __libc_read (fd=12, buf=0x7fff2db80178, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007fffdd91b9be in () at /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffdd90a647 in () at /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffdd90adab in () at /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007fffdd9000fa in () at /lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007fffddbd2441 in ARDOUR::JACKAudioBackend::connect(std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&) (this=0x555557361760, src="system:capture_2", dst="ardour:Audio/audio_in 2") at ../libs/backends/jack/jack_portengine.cc:561 #7 0x00007ffff7697fad in ARDOUR::Port::connect(std::__cxx11::basic_string, std::allocator > const&) (this=0x555559267c00, other="system:capture_2") at ../libs/ardour/port.cc:260 #8 0x00007ffff7301b06 in ARDOUR::IO::connect(boost::shared_ptr, std::__cxx11::basic_string, std::allocator >, void*) (this=0x5555591fd800, our_port=..., other_port="system:capture_2", src=0x5555585e1800) at ../libs/ardour/io.cc:202 #9 0x00007ffff7791785 in ARDOUR::Session::auto_connect(ARDOUR::Session::AutoConnectRequest const&) (this=0x5555585e1800, ar=...) at ../libs/ardour/session.cc:6876 #10 0x00007ffff77922bc in ARDOUR::Session::auto_connect_thread_run() (this=0x5555585e1800) at ../libs/ardour/session.cc:6982 #11 0x00007ffff77920dc in ARDOUR::Session::auto_connect_thread(void*) (arg=0x5555585e1800) at ../libs/ardour/session.cc:6954 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 59 (Thread 0x7fffca7fc700 (LWP 178870)): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x5555585e35e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555585e3590, cond=0x5555585e35b8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555585e35b8, mutex=0x5555585e3590) at pthread_cond_wait.c:638 #3 0x00007ffff7807a03 in ARDOUR::Session::emit_thread_run() (this=0x5555585e1800) at ../libs/ardour/session_process.cc:1111 #4 0x00007ffff78079a0 in ARDOUR::Session::emit_thread(void*) (arg=0x5555585e1800) at ../libs/ardour/session_process.cc:1100 #5 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #6 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 58 (Thread 0x7fffcaffd700 (LWP 178869)): #0 0x00007ffff40cab4f in __GI___poll (fds=0x7fff2015aad0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff56fa7fe in g_main_context_poll (priority=, n_fds=4, fds=0x7fff2015aad0, timeout=, context=0x555559191040) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=0x555559191040, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../../../glib/gmain.c:4042 #3 0x00007ffff56fab63 in g_main_loop_run (loop=0x555559191160) at ../../../glib/gmain.c:4241 #4 0x00007ffff59f8402 in BaseUI::main_thread() (this=0x555559074dd0) at ../libs/pbd/base_ui.cc:98 #5 0x00007ffff59fc3d1 in sigc::bound_mem_functor0::operator()() const (this=0x555559191388) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1991 #6 0x00007ffff59fc092 in sigc::adaptor_functor >::operator()() const (this=0x555559191380) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff59fbb09 in sigc::internal::slot_call0, void>::call_it(sigc::internal::slot_rep*) (rep=0x555559191350) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #8 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555559191330) at threads.cc:77 #9 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555559191330) at threads.cc:64 #10 0x00007ffff572352d in g_thread_proxy (data=0x5555585e12a0) at ../../../glib/gthread.c:807 #11 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #12 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 57 (Thread 0x7fff2f8e4700 (LWP 178868)): #0 0x00007ffff40cab4f in __GI___poll (fds=0x7fff2f8e2ff8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff5a0da94 in CrossThreadChannel::poll_for_request() (this=0x55555852c098) at ../libs/pbd/crossthread.posix.cc:102 #2 0x00007ffff5a0dafd in CrossThreadChannel::receive(char&, bool) (this=0x55555852c098, msg=@0x7fff2f8e30bf: 0 '\000', wait=true) at ../libs/pbd/crossthread.posix.cc:123 #3 0x00007ffff71c45ee in ARDOUR::Butler::thread_work() (this=0x55555852c000) at ../libs/ardour/butler.cc:172 #4 0x00007ffff71c4371 in ARDOUR::Butler::_thread_work(void*) (arg=0x55555852c000) at ../libs/ardour/butler.cc:153 #5 0x00007ffff5a30e1e in fake_thread_start(void*) (arg=0x5555590fbbd0) at ../libs/pbd/pthread_utils.cc:107 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 56 (Thread 0x7fffc86a9700 (LWP 178867)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc86a89b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc86a89c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc86a89b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc86a89b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555585178f0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 55 (Thread 0x7fffc872a700 (LWP 178866)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 --Type for more, q to quit, c to continue without paging--c #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc87299b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc87299c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc87299b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc87299b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555585178b0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 54 (Thread 0x7fffc87ab700 (LWP 178865)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc87aa9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc87aa9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc87aa9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc87aa9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555584e13c0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 53 (Thread 0x7fffc882c700 (LWP 178864)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc882b9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc882b9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc882b9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc882b9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555584e1380) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 52 (Thread 0x7fffc88ad700 (LWP 178863)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc88ac9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc88ac9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc88ac9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc88ac9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555557703f80) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 51 (Thread 0x7fffc892e700 (LWP 178862)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc892d9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc892d9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc892d9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc892d9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555557703f40) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 50 (Thread 0x7fffc89af700 (LWP 178861)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc89ae9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc89ae9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc89ae9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc89ae9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555584deeb0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 49 (Thread 0x7fffc8a30700 (LWP 178860)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8a2f9b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8a2f9c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8a2f9b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8a2f9b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555557ea27c0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 48 (Thread 0x7fffc8ab1700 (LWP 178859)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8ab09b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8ab09c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8ab09b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8ab09b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555558066b60) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 47 (Thread 0x7fffc8b32700 (LWP 178858)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8b319b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8b319c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8b319b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8b319b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x55555818c500) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 46 (Thread 0x7fffc8bb3700 (LWP 178857)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8bb29b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8bb29c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8bb29b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8bb29b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555558535b20) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 45 (Thread 0x7fffc8c34700 (LWP 178856)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8c339b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8c339c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8c339b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8c339b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x5555571558c0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 44 (Thread 0x7fffc8cb5700 (LWP 178855)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8cb49b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8cb49c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8cb49b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8cb49b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555557178dc0) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 43 (Thread 0x7fffc8d36700 (LWP 178854)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cd0) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cd0, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cd0) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d986e in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:426 #5 0x00007ffff72d9d4a in ARDOUR::Graph::helper_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:470 #6 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8d359b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #7 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8d359c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #8 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8d359b8) at /usr/include/boost/bind/bind.hpp:1294 #9 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #10 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8d359b0) at /usr/include/boost/function/function_template.hpp:768 #11 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555558535400) at ../libs/backends/jack/jack_audiobackend.cc:953 #12 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #13 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 42 (Thread 0x7fffc8db7700 (LWP 178853)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555557f40cf8) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x555557f40cf8, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x555557f40cf8, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x555557f40cf8) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff72d8bcb in ARDOUR::Graph::reached_terminal_node() (this=0x555557f40c20) at ../libs/ardour/graph.cc:301 #5 0x00007ffff72e083d in ARDOUR::GraphNode::finish(int) (this=0x55555903f5a8, chain=1) at ../libs/ardour/graphnode.cc:73 #6 0x00007ffff72dc174 in ARDOUR::GraphNode::run(int) (this=0x55555903f5a8, chain=1) at ../libs/ardour/ardour/graphnode.h:63 #7 0x00007ffff72d99e8 in ARDOUR::Graph::run_one() (this=0x555557f40c20) at ../libs/ardour/graph.cc:442 #8 0x00007ffff72da163 in ARDOUR::Graph::main_thread() (this=0x555557f40c20) at ../libs/ardour/graph.cc:523 #9 0x00007ffff72e0139 in boost::_mfi::mf0::operator()(ARDOUR::Graph*) const (this=0x7fffc8db69b8, p=0x555557f40c20) at /usr/include/boost/bind/mem_fn_template.hpp:49 #10 0x00007ffff72df9a3 in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x7fffc8db69c8, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #11 0x00007ffff72dee25 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x7fffc8db69b8) at /usr/include/boost/bind/bind.hpp:1294 #12 0x00007ffff72de6b8 in boost::detail::function::void_function_obj_invoker0, boost::_bi::list1 > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #13 0x0000555555b81dfe in boost::function0::operator()() const (this=0x7fffc8db69b0) at /usr/include/boost/function/function_template.hpp:768 #14 0x00007fffddbbcbfc in ARDOUR::JACKAudioBackend::_start_process_thread(void*) (arg=0x555558503850) at ../libs/backends/jack/jack_audiobackend.cc:953 #15 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #16 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 41 (Thread 0x7fffc8dc0700 (LWP 178852)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 40 (Thread 0x7fffc8dc9700 (LWP 178851)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 39 (Thread 0x7fffc8dd2700 (LWP 178850)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 38 (Thread 0x7fffc8ddb700 (LWP 178849)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 37 (Thread 0x7fffc8de4700 (LWP 178848)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 36 (Thread 0x7fffc8ded700 (LWP 178847)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 35 (Thread 0x7fffc8df6700 (LWP 178846)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 34 (Thread 0x7fffc8dff700 (LWP 178845)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 33 (Thread 0x7fffc8e08700 (LWP 178844)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 32 (Thread 0x7fffc8e11700 (LWP 178843)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 31 (Thread 0x7fffc8e1a700 (LWP 178842)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7fffc8e23700 (LWP 178841)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7fffc8e2c700 (LWP 178840)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7fffc8e35700 (LWP 178839)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7fffc8e3e700 (LWP 178838)): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5555585a6270) at ../sysdeps/unix/sysv/linux/futex-internal.h:208 #1 do_futex_wait (sem=sem@entry=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007ffff47f7098 in __new_sem_wait_slow (sem=0x5555585a6270, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00007ffff72dc10a in PBD::Semaphore::wait() (this=0x5555585a6270) at ../libs/pbd/pbd/semutils.h:64 #4 0x00007ffff7754d33 in ARDOUR::RTTaskList::run() (this=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:112 #5 0x00007ffff7754b04 in ARDOUR::RTTaskList::_thread_run(void*) (arg=0x5555585a6240) at ../libs/ardour/rt_tasklist.cc:67 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7fffc9ba0700 (LWP 178826)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007fffdd91c567 in () at /lib/x86_64-linux-gnu/libjack.so.0 #2 0x00007fffdd903f55 in () at /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffdd9028c9 in () at /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffddbbccac in ARDOUR::JACKAudioBackend::process_thread() (this=0x555557361760) at ../libs/backends/jack/jack_audiobackend.cc:982 #5 0x00007fffddbbcc4c in ARDOUR::JACKAudioBackend::_process_thread(void*) (arg=0x555557361760) at ../libs/backends/jack/jack_audiobackend.cc:961 #6 0x00007fffdd90282a in () at /lib/x86_64-linux-gnu/libjack.so.0 #7 0x00007fffdd91a756 in () at /lib/x86_64-linux-gnu/libjack.so.0 #8 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #9 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7fffdc167700 (LWP 178825)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff5745e7c in g_mutex_lock_slowpath (mutex=0x555557285468) at ../../../glib/gthread-posix.c:1458 #2 0x0000555555b686d6 in Glib::Threads::Mutex::Lock::Lock(Glib::Threads::Mutex&) (this=0x7fffdc166550, mutex=...) at /usr/include/glibmm-2.4/glibmm/threads.h:687 #3 0x00007ffff778fe67 in ARDOUR::Session::update_latency(bool) (this=0x5555585e1800, playback=false) at ../libs/ardour/session.cc:6563 #4 0x00007ffff7158e90 in ARDOUR::AudioEngine::latency_callback(bool) (this=0x555557284ea0, for_playback=false) at ../libs/ardour/audioengine.cc:1393 #5 0x00007fffddbbcd6b in ARDOUR::JACKAudioBackend::jack_latency_callback(JackLatencyCallbackMode) (this=0x555557361760, mode=JackCaptureLatency) at ../libs/backends/jack/jack_audiobackend.cc:1010 #6 0x00007fffddbbc842 in ARDOUR::JACKAudioBackend::_latency_callback(JackLatencyCallbackMode, void*) (mode=JackCaptureLatency, arg=0x555557361760) at ../libs/backends/jack/jack_audiobackend.cc:856 #7 0x00007fffdd901ec2 in () at /lib/x86_64-linux-gnu/libjack.so.0 #8 0x00007fffdd90233c in () at /lib/x86_64-linux-gnu/libjack.so.0 #9 0x00007fffdd91f0b7 in () at /lib/x86_64-linux-gnu/libjack.so.0 #10 0x00007fffdd91a756 in () at /lib/x86_64-linux-gnu/libjack.so.0 #11 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #12 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7fffdc1e8700 (LWP 178824)): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x5555577bda78) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555577bda20, cond=0x5555577bda50) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555577bda50, mutex=0x5555577bda20) at pthread_cond_wait.c:638 #3 0x00007fffdd91b11c in () at /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffdd912d95 in () at /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007fffdd91a756 in () at /lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7fffcbfff700 (LWP 178810)): #0 0x00007ffff40cab4f in __GI___poll (fds=0x5555573d5650, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff56fa7fe in g_main_context_poll (priority=, n_fds=2, fds=0x5555573d5650, timeout=, context=0x5555573d6140) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=0x5555573d6140, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../../../glib/gmain.c:4042 #3 0x00007ffff56fab63 in g_main_loop_run (loop=0x5555573d6230) at ../../../glib/gmain.c:4241 #4 0x00007ffff3521f16 in gdbus_shared_thread_func (user_data=0x5555573d6110) at ../../../gio/gdbusprivate.c:279 #5 0x00007ffff572352d in g_thread_proxy (data=0x5555573d0c00) at ../../../glib/gthread.c:807 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fffdca1b700 (LWP 178809)): #0 0x00007ffff40cab4f in __GI___poll (fds=0x5555573c9a70, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff56fa7fe in g_main_context_poll (priority=, n_fds=2, fds=0x5555573c9a70, timeout=, context=0x5555573c9980) at ../../../glib/gmain.c:4346 #2 g_main_context_iterate (context=context@entry=0x5555573c9980, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../../../glib/gmain.c:4042 #3 0x00007ffff56fa91f in g_main_context_iteration (context=0x5555573c9980, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108 #4 0x00007ffff56fa971 in glib_worker_main (data=) at ../../../glib/gmain.c:5996 #5 0x00007ffff572352d in g_thread_proxy (data=0x55555739a920) at ../../../glib/gthread.c:807 #6 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #7 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fffde462700 (LWP 178807)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff57469df in g_cond_wait (cond=0x5555572855c8, mutex=0x5555572855d8) at ../../../glib/gthread-posix.c:1540 #2 0x00007ffff715641d in ARDOUR::AudioEngine::do_devicelist_update() (this=0x555557284ea0) at ../libs/ardour/audioengine.cc:678 #3 0x00007ffff71631e5 in boost::_mfi::mf0::operator()(ARDOUR::AudioEngine*) const (this=0x55555729b480, p=0x555557284ea0) at /usr/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff7162b8f in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x55555729b490, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #5 0x00007ffff7162319 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x55555729b480) at /usr/include/boost/bind/bind.hpp:1294 #6 0x00007ffff7161b9c in sigc::adaptor_functor, boost::_bi::list1 > > >::operator()() const (this=0x55555729b480) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff7160f5a in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it(sigc::internal::slot_rep*) (rep=0x55555729b450) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #8 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555557297010) at threads.cc:77 #9 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555557297010) at threads.cc:64 #10 0x00007ffff572352d in g_thread_proxy (data=0x555556e40de0) at ../../../glib/gthread.c:807 #11 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #12 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fffdf27b700 (LWP 178806)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff57469df in g_cond_wait (cond=0x555557285598, mutex=0x5555572855a8) at ../../../glib/gthread-posix.c:1540 #2 0x00007ffff71561da in ARDOUR::AudioEngine::do_reset_backend() (this=0x555557284ea0) at ../libs/ardour/audioengine.cc:642 #3 0x00007ffff71631e5 in boost::_mfi::mf0::operator()(ARDOUR::AudioEngine*) const (this=0x5555572a5f00, p=0x555557284ea0) at /usr/include/boost/bind/mem_fn_template.hpp:49 #4 0x00007ffff7162b8f in boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) (this=0x5555572a5f10, f=..., a=...) at /usr/include/boost/bind/bind.hpp:259 #5 0x00007ffff7162319 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() (this=0x5555572a5f00) at /usr/include/boost/bind/bind.hpp:1294 #6 0x00007ffff7161b9c in sigc::adaptor_functor, boost::_bi::list1 > > >::operator()() const (this=0x5555572a5f00) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #7 0x00007ffff7160f5a in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it(sigc::internal::slot_rep*) (rep=0x5555572a5ed0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #8 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x5555572a5f50) at threads.cc:77 #9 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x5555572a5f50) at threads.cc:64 #10 0x00007ffff572352d in g_thread_proxy (data=0x555556e40d80) at ../../../glib/gthread.c:807 #11 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #12 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fffed542700 (LWP 178804)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff57469df in g_cond_wait (cond=0x7ffff7e937b0 , mutex=0x7ffff7e937a0 ) at ../../../glib/gthread-posix.c:1540 #2 0x00007ffff710a378 in ARDOUR::Analyser::work() () at ../libs/ardour/analyser.cc:93 #3 0x00007ffff710a16c in analyser_work() () at ../libs/ardour/analyser.cc:58 #4 0x00005555563ead1f in sigc::pointer_functor0::operator()() const (this=0x555556f3e8a8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #5 0x00005555563e7fa2 in sigc::adaptor_functor >::operator()() const (this=0x555556f3e8a0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #6 0x00005555563e4403 in sigc::internal::slot_call0, void>::call_it(sigc::internal::slot_rep*) (rep=0x555556f3e870) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #7 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555556efe6d0) at threads.cc:77 #8 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555556efe6d0) at threads.cc:64 #9 0x00007ffff572352d in g_thread_proxy (data=0x555556e40d20) at ../../../glib/gthread.c:807 #10 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #11 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fffedd43700 (LWP 178803)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff57469df in g_cond_wait (cond=0x7ffff7e965d0 , mutex=0x7ffff7e965e0 ) at ../../../glib/gthread-posix.c:1540 #2 0x00007ffff78960a2 in peak_thread_work() () at ../libs/ardour/source_factory.cc:74 #3 0x00005555563ead1f in sigc::pointer_functor0::operator()() const (this=0x555556f3e8f8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x00005555563e7fa2 in sigc::adaptor_functor >::operator()() const (this=0x555556f3e8f0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x00005555563e4403 in sigc::internal::slot_call0, void>::call_it(sigc::internal::slot_rep*) (rep=0x555556f3e8c0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #6 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555556efc3e0) at threads.cc:77 #7 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555556efc3e0) at threads.cc:64 #8 0x00007ffff572352d in g_thread_proxy (data=0x555556e40cc0) at ../../../glib/gthread.c:807 #9 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #10 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fffee544700 (LWP 178802)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007ffff57469df in g_cond_wait (cond=0x7ffff7e965d0 , mutex=0x7ffff7e965e0 ) at ../../../glib/gthread-posix.c:1540 #2 0x00007ffff78960a2 in peak_thread_work() () at ../libs/ardour/source_factory.cc:74 #3 0x00005555563ead1f in sigc::pointer_functor0::operator()() const (this=0x555556f3e948) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #4 0x00005555563e7fa2 in sigc::adaptor_functor >::operator()() const (this=0x555556f3e940) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:256 #5 0x00005555563e4403 in sigc::internal::slot_call0, void>::call_it(sigc::internal::slot_rep*) (rep=0x555556f3e910) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:136 #6 0x00007ffff5885fda in sigc::slot0::operator()() const (this=0x555556ef9fa0) at threads.cc:77 #7 (anonymous namespace)::call_thread_entry_slot(void*) (data=0x555556ef9fa0) at threads.cc:64 #8 0x00007ffff572352d in g_thread_proxy (data=0x555556e40c60) at ../../../glib/gthread.c:807 #9 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #10 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fffeed45700 (LWP 178801)): #0 0x00007ffff47f8575 in __GI___nanosleep (requested_time=requested_time@entry=0x7fffeed448a0, remaining=remaining@entry=0x7fffeed448b0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 #1 0x00007ffff5724f2f in g_usleep (microseconds=) at ../../../glib/gtimer.c:277 #2 0x000055555676437b in gui_event_loop(void*) (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:463 #3 0x00007ffff47edf27 in start_thread (arg=) at pthread_create.c:479 #4 0x00007ffff40d52ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fffef4aa100 (LWP 178799)): #0 __libc_read (nbytes=4, buf=0x7fffffffb048, fd=12) at ../sysdeps/unix/sysv/linux/read.c:26 #1 __libc_read (fd=12, buf=0x7fffffffb048, nbytes=4) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007fffdd91b9be in () at /lib/x86_64-linux-gnu/libjack.so.0 #3 0x00007fffdd90a647 in () at /lib/x86_64-linux-gnu/libjack.so.0 #4 0x00007fffdd90b233 in () at /lib/x86_64-linux-gnu/libjack.so.0 #5 0x00007fffdd8ff861 in () at /lib/x86_64-linux-gnu/libjack.so.0 #6 0x00007fffddbbd041 in ARDOUR::JACKAudioBackend::update_latencies() (this=0x555557361760) at ../libs/backends/jack/jack_audiobackend.cc:1082 #7 0x00007ffff7158f1c in ARDOUR::AudioEngine::update_latencies() (this=0x555557284ea0) at ../libs/ardour/audioengine.cc:1401 #8 0x00007ffff77909ac in ARDOUR::Session::update_latency_compensation(bool, bool) (this=0x5555585e1800, force_whole_graph=true, called_from_backend=false) at ../libs/ardour/session.cc:6698 #9 0x00007ffff7789d81 in ARDOUR::Session::graph_reordered(bool) (this=0x5555585e1800, called_from_backend=false) at ../libs/ardour/session.cc:5338 #10 0x00007ffff777b901 in ARDOUR::Session::add_routes(std::__cxx11::list, std::allocator > >&, bool, bool, bool, unsigned int) (this=0x5555585e1800, new_routes=Python Exception 'NoneType' object has no attribute 'pointer': std::__cxx11::list, input_auto_connect=true, output_auto_connect=true, save=false, order=4294967295) at ../libs/ardour/session.cc:3146 #11 0x00007ffff77789b3 in ARDOUR::Session::new_audio_track(int, int, ARDOUR::RouteGroup*, unsigned int, std::__cxx11::basic_string, std::allocator >, unsigned int, ARDOUR::TrackMode, bool) (this=0x5555585e1800, input_channels=2, output_channels=2, route_group=0x0, how_many=0, name_template="Audio", order=4294967295, mode=ARDOUR::Normal, input_auto_connect=true) at ../libs/ardour/session.cc:2774 #12 0x0000555555b9296b in ARDOUR_UI::session_add_audio_route(bool, int, int, ARDOUR::TrackMode, ARDOUR::RouteGroup*, unsigned int, std::__cxx11::basic_string, std::allocator > const&, bool, unsigned int) (this=0x5555572e6180, track=true, input_channels=2, output_channels=2, mode=ARDOUR::Normal, route_group=0x0, how_many=1, name_template="Audio", strict_io=true, order=4294967295) at ../gtk2_ardour/ardour_ui.cc:1545 #13 0x0000555555b98c20 in ARDOUR_UI::add_route_dialog_response(int) (this=0x5555572e6180, r=1) at ../gtk2_ardour/ardour_ui.cc:2777 #14 0x0000555555bc7c86 in sigc::bound_mem_functor1::operator()(int const&) const (this=0x555559617698, _A_a1=@0x7fffffffba7c: 1) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:2066 #15 0x0000555555bc10c3 in sigc::adaptor_functor >::operator()(int const&) const (this=0x555559617690, _A_arg1=@0x7fffffffba7c: 1) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89 #16 0x0000555555bb8d88 in sigc::internal::slot_call1, void, int>::call_it(sigc::internal::slot_rep*, int const&) (rep=0x555559617660, a_1=@0x7fffffffba7c: 1) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:170 #17 0x00007ffff4dbbf27 in () at /lib/x86_64-linux-gnu/libgtkmm-2.4.so.1 #21 0x00007ffff5803edf in (instance=, signal_id=, detail=) at ../../../gobject/gsignal.c:3554 #18 0x00007ffff57e4fd2 in g_closure_invoke (closure=0x55555961bec0, return_value=0x0, n_param_values=2, param_values=0x7fffffffbc50, invocation_hint=0x7fffffffbbd0) at ../../../gobject/gclosure.c:810 #19 0x00007ffff57f81b3 in signal_emit_unlocked_R (node=node@entry=0x55555745b400, detail=detail@entry=0, instance=instance@entry=0x5555574637b0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffbc50) at ../../../gobject/gsignal.c:3812 #20 0x00007ffff580354f in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffffffbe20) at ../../../gobject/gsignal.c:3498 #25 0x00007ffff5803edf in (instance=, signal_id=, detail=) at ../../../gobject/gsignal.c:3554 #22 0x00007ffff57e4fd2 in g_closure_invoke (closure=0x5555596162c0, return_value=0x0, n_param_values=1, param_values=0x7fffffffc0c0, invocation_hint=0x7fffffffc040) at ../../../gobject/gclosure.c:810 #23 0x00007ffff57f8784 in signal_emit_unlocked_R (node=node@entry=0x55555738e800, detail=detail@entry=0, instance=instance@entry=0x5555597aa870, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffc0c0) at ../../../gobject/gsignal.c:3742 #24 0x00007ffff580354f in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffffffc270) at ../../../gobject/gsignal.c:3498 #26 0x00007ffff52e337e in gtk_real_button_released (button=0x5555597aa870 [GtkButton]) at ../../../../gtk/gtkbutton.c:1712 #30 0x00007ffff5803edf in (instance=, signal_id=, detail=) at ../../../gobject/gsignal.c:3554 #27 0x00007ffff57e4fd2 in g_closure_invoke (closure=0x55555738d6c0, return_value=0x0, n_param_values=1, param_values=0x7fffffffc530, invocation_hint=0x7fffffffc4b0) at ../../../gobject/gclosure.c:810 #28 0x00007ffff57f88d2 in signal_emit_unlocked_R (node=node@entry=0x55555738d6f0, detail=detail@entry=0, instance=instance@entry=0x5555597aa870, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffc530) at ../../../gobject/gsignal.c:3672 #29 0x00007ffff580354f in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffffffc6e0) at ../../../gobject/gsignal.c:3498 #31 0x00007ffff52e2289 in gtk_button_button_release (widget=widget@entry=0x5555597aa870 [GtkButton], event=) at ../../../../gtk/gtkbutton.c:1604 #36 0x00007ffff5803edf in (instance=instance@entry=0x5555597aa870, signal_id=, detail=detail@entry=0) at ../../../gobject/gsignal.c:3554 #32 0x00007ffff5389a8b in _gtk_marshal_BOOLEAN__BOXED (closure=0x55555735e580, return_value=0x7fffffffc960, n_param_values=, param_values=0x7fffffffc9c0, invocation_hint=, marshal_data=) at ../../../../gtk/gtkmarshalers.c:84 #33 0x00007ffff57e4fd2 in g_closure_invoke (closure=0x55555735e580, return_value=0x7fffffffc960, n_param_values=2, param_values=0x7fffffffc9c0, invocation_hint=0x7fffffffc940) at ../../../gobject/gclosure.c:810 #34 0x00007ffff57f7f06 in signal_emit_unlocked_R (node=, detail=detail@entry=0, instance=instance@entry=0x5555597aa870, emission_return=emission_return@entry=0x7fffffffcae0, instance_and_params=instance_and_params@entry=0x7fffffffc9c0) at ../../../gobject/gsignal.c:3780 #35 0x00007ffff5803078 in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffffffcb90) at ../../../gobject/gsignal.c:3508 #37 0x00007ffff54a19e4 in gtk_widget_event_internal (widget=widget@entry=0x5555597aa870 [GtkButton], event=event@entry=0x5555597a0600) at ../../../../gtk/gtkwidget.c:5010 #38 0x00007ffff54a1cc9 in IA__gtk_widget_event (widget=widget@entry=0x5555597aa870 [GtkButton], event=event@entry=0x5555597a0600) at ../../../../gtk/gtkwidget.c:4807 #39 0x00007ffff5387cbc in IA__gtk_propagate_event (widget=0x5555597aa870 [GtkButton], event=0x5555597a0600) at ../../../../gtk/gtkmain.c:2503 #40 0x00007ffff53880b3 in IA__gtk_main_do_event (event=0x5555597a0600) at ../../../../gtk/gtkmain.c:1698 #41 IA__gtk_main_do_event (event=) at ../../../../gtk/gtkmain.c:1503 #42 0x00007ffff51fa10c in gdk_event_dispatch (source=, callback=, user_data=) at ../../../../../gdk/x11/gdkevents-x11.c:2425 #43 0x00007ffff56fa60d in g_main_dispatch (context=0x5555572f2a40) at ../../../glib/gmain.c:3309 #44 g_main_context_dispatch (context=context@entry=0x5555572f2a40) at ../../../glib/gmain.c:3974 #45 0x00007ffff56fa890 in g_main_context_iterate (context=0x5555572f2a40, block=block@entry=1, dispatch=dispatch@entry=1, self=) at ../../../glib/gmain.c:4047 #46 0x00007ffff56fab63 in g_main_loop_run (loop=0x555557715300) at ../../../glib/gmain.c:4241 #47 0x00007ffff538712a in IA__gtk_main () at ../../../../gtk/gtkmain.c:1270 #48 0x00007ffff5bdad20 in Gtkmm2ext::UI::run(Receiver&) (this=0x5555572e6180, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:290 #49 0x0000555556123af9 in main(int, char**) (argc=1, argv=0x7fffffffd2d8) at ../gtk2_ardour/main.cc:435