0xffffe410 in __kernel_vsyscall () (gdb) thread apply all bt Thread 7 (Thread -1276195632 (LWP 19465)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6b14d84 in poll () from /lib/tls/libc.so.6 #2 0xb7eb5fdf in ARDOUR::Session::midi_thread_work (this=0x8c67750) at session_midi.cc:1220 #3 0xb7eb5b39 in ARDOUR::Session::_midi_thread_work (arg=0x8c67750) at session_midi.cc:1141 #4 0xb6c5d380 in start_thread () from /lib/tls/libpthread.so.0 #5 0xb6b1dc6e in clone () from /lib/tls/libc.so.6 Thread 6 (Thread -1275691824 (LWP 19464)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6b14d84 in poll () from /lib/tls/libc.so.6 #2 0xb7e961f5 in ARDOUR::Session::butler_thread_work (this=0x8c67750) at session_butler.cc:176 #3 0xb7e96176 in ARDOUR::Session::_butler_thread_work (arg=0x8c67750) at session_butler.cc:157 #4 0xb6c5d380 in start_thread () from /lib/tls/libpthread.so.0 #5 0xb6b1dc6e in clone () from /lib/tls/libc.so.6 Thread 5 (Thread -1264620624 (LWP 19463)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6b14d84 in poll () from /lib/tls/libc.so.6 #2 0xb6c6fc2a in jack_client_core_wait (client=0x8b1c788) at client.c:1342 #3 0xb6c7023a in jack_thread_wait (client=0x8b1c788, status=0) at client.c:1496 #4 0xb6c707ae in jack_client_thread (arg=0x8b1c788) at client.c:1543 #5 0xb6c5d380 in start_thread () from /lib/tls/libpthread.so.0 #6 0xb6b1dc6e in clone () from /lib/tls/libc.so.6 Thread 4 (Thread -1264005936 (LWP 19462)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6c62c26 in __nanosleep_nocancel () from /lib/tls/libpthread.so.0 #2 0xb76d1ff4 in g_usleep () from /usr/lib/libglib-2.0.so.0 #3 0xb4a8c4e4 in ?? () #4 0x00000000 in ?? () Thread 3 (Thread -1243800656 (LWP 19454)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6c5fc06 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/libpthread.so.0 ---Type to continue, or q to quit--- #2 0xb6f481cf in Glib::Cond::wait (this=0x8a201e8, mutex=@0xb7f961f0) at thread.cc:362 #3 0xb7eedd05 in peak_thread_work () at source_factory.cc:61 #4 0x0863e5ef in sigc::pointer_functor0::operator() (this=0x8a2bccc) at ptr_fun.h:77 #5 0x0863d8c4 in sigc::adaptor_functor >::operator() (this=0x8a2bcc8) at adaptor_trait.h:251 #6 0x0863c3c2 in sigc::internal::slot_call0, void>::call_it (rep=0x8a2bcb0) at slot.h:103 #7 0x083597f4 in sigc::slot0::operator() (this=0x8a2bca0) at slot.h:440 #8 0xb6f4763b in call_thread_entry_slot (data=0x8a2bca0) at thread.cc:43 #9 0xb76d041b in g_static_private_free () from /usr/lib/libglib-2.0.so.0 #10 0x08a2bcd8 in ?? () #11 0x00000002 in ?? () #12 0x00000002 in ?? () #13 0x00000000 in ?? () Thread 2 (Thread -1235407952 (LWP 19453)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6c5fc06 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/libpthread.so.0 #2 0xb6f481cf in Glib::Cond::wait (this=0x8a201e8, mutex=@0xb7f961f0) at thread.cc:362 #3 0xb7eedd05 in peak_thread_work () at source_factory.cc:61 #4 0x0863e5ef in sigc::pointer_functor0::operator() (this=0x8a2bc24) at ptr_fun.h:77 #5 0x0863d8c4 in sigc::adaptor_functor >::operator() (this=0x8a2bc20) at adaptor_trait.h:251 #6 0x0863c3c2 in sigc::internal::slot_call0, void>::call_it (rep=0x8a2bc08) at slot.h:103 #7 0x083597f4 in sigc::slot0::operator() (this=0x8a2bbf8) at slot.h:440 #8 0xb6f4763b in call_thread_entry_slot (data=0x8a2bbf8) at thread.cc:43 #9 0xb76d041b in g_static_private_free () from /usr/lib/libglib-2.0.so.0 #10 0x08a2bc30 in ?? () #11 0x00000002 in ?? () #12 0x00000002 in ?? () #13 0x00000000 in ?? () Thread 1 (Thread -1235056960 (LWP 19450)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6c5e21c in pthread_join () from /lib/tls/libpthread.so.0 #2 0xb6c7062c in jack_client_close (client=0x8b1c788) at client.c:1857 #3 0xb7d6eed2 in ARDOUR::AudioEngine::stop (this=0x8b1c6e0, forever=true) at audioengine.cc:170 #4 0x0836aa29 in ARDOUR_UI::finish (this=0x884d080) at ardour_ui.cc:755 #5 0x0838181f in sigc::bound_mem_functor0::operator() (this=0x8bce06c) at mem_fun.h:1781 ---Type to continue, or q to quit--- #6 0x08380b16 in sigc::adaptor_functor >::operator() (this=0x8bce068) at adaptor_trait.h:251 #7 0x0837f7be in sigc::internal::slot_call0, void>::call_it (rep=0x8bce050) at slot.h:103 #8 0x083597f4 in sigc::slot0::operator() (this=0x8bcdb8c) at slot.h:440 #9 0xb6f4a088 in Glib::SignalProxyNormal::slot0_void_callback (self=0x8bcdee0, data=0x8bcdb88) at signalproxy.cc:95 #10 0xb7682370 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0 #11 0xffffffff in ?? () #12 0x08bce080 in ?? () #13 0xb7670598 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #14 0xbfe730f0 in ?? () #15 0x00000000 in ?? () #0 0xffffe410 in __kernel_vsyscall ()