Thread 20 (Thread 0x7f2b1578a700 (LWP 19697)):
#0  0x00007f2b271c64ed in poll () from /usr/lib/libc.so.6
#1  0x00007f2b2b979c94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2b979dac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2b2b979de9 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7f2acb7fe700 (LWP 19734)):
#0  0x00007f2b2719eead in nanosleep () from /usr/lib/libc.so.6
#1  0x00007f2b271c88f4 in usleep () from /usr/lib/libc.so.6
#2  0x00007f2b2dabb16a in ARDOUR::AutomationWatch::thread() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2dabe83d in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator()(ARDOUR::AutomationWatch*) const () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2dabe4ea in void boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2dabe0ab in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator()() () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2dabe038 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > > >::operator()() const () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2dabdb22 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(sigc::internal::slot_rep*) () from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7f2af05c9700 (LWP 19728)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f2b1906f700 (LWP 19689)):
#0  0x00007f2b2719eead in nanosleep () from /usr/lib/libc.so.6
#1  0x00007f2b271c88f4 in usleep () from /usr/lib/libc.so.6
#2  0x00000000016f52e4 in gui_event_loop(void*) ()
#3  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7f2b1806d700 (LWP 19691)):
#0  0x00007f2b271caf89 in syscall () from /usr/lib/libc.so.6
#1  0x00007f2b2b9be17c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2de37ece in ?? () from /usr/lib/ardour3/libardour.so.3
#3  0x000000000143fd33 in sigc::pointer_functor0<void>::operator()() const ()
#4  0x000000000143d33a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x0000000001439ec9 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#6  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#7  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#8  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f2af03c4800 (LWP 19732)):
#0  0x00007f2b271c64ed in poll () from /usr/lib/libc.so.6
#1  0x00007f2b2dace7bc in ARDOUR::Butler::thread_work() () from /usr/lib/ardour3/libardour.so.3
#2  0x00007f2b2dace717 in ARDOUR::Butler::_thread_work(void*) () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2c607a12 in ?? () from /usr/lib/ardour3/libpbd.so.4
#4  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f2acaffd700 (LWP 19785)):
#0  0x00007f2b271caf89 in syscall () from /usr/lib/libc.so.6
#1  0x00007f2b2b9be297 in g_cond_wait_until () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2b94ea69 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2b2b94f08b in g_async_queue_timeout_pop () from /usr/lib/libglib-2.0.so.0
#4  0x00007f2b2b9a104c in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#6  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#7  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f2afea2e700 (LWP 19724)):
#0  0x00007f2b2841ffbd in nanosleep () from /usr/lib/libpthread.so.0
#1  0x00007f2b2b9a1c28 in g_usleep () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2da6f502 in ARDOUR::AudioEngine::meter_thread() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2da7a969 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator()(ARDOUR::AudioEngine*) const () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2da7a588 in void boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::AudioEngine>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2da79e2d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2da7945a in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator()() const () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2da784e6 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(sigc::internal::slot_rep*) () from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f2b1886e700 (LWP 19690)):
#0  0x00007f2b271caf89 in syscall () from /usr/lib/libc.so.6
#1  0x00007f2b2b9be17c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2de37ece in ?? () from /usr/lib/ardour3/libardour.so.3
#3  0x000000000143fd33 in sigc::pointer_functor0<void>::operator()() const ()
#4  0x000000000143d33a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x0000000001439ec9 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#6  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#7  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#8  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f2b14b76700 (LWP 19716)):
#0  0x00007f2b2841c9af in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f2b163136c3 in ?? () from /usr/lib/libjack.so.0
#2  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f2acbfff700 (LWP 19733)):
#0  0x00007f2b271c64ed in poll () from /usr/lib/libc.so.6
#1  0x00007f2b2b979c94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2b97a022 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2b2c5e00ad in BaseUI::main_thread() () from /usr/lib/ardour3/libpbd.so.4
#4  0x00007f2b2c5e38f4 in sigc::bound_mem_functor0<void, BaseUI>::operator()() const () from /usr/lib/ardour3/libpbd.so.4
#5  0x00007f2b2c5e3634 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator()() const () from /usr/lib/ardour3/libpbd.so.4
#6  0x00007f2b2c5e2fc5 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it(sigc::internal::slot_rep*) () from /usr/lib/ardour3/libpbd.so.4
#7  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#8  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f2af04c7700 (LWP 19730)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f2af06cb700 (LWP 19726)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f2af0548700 (LWP 19729)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f2b1786c700 (LWP 19692)):
#0  0x00007f2b271caf89 in syscall () from /usr/lib/libc.so.6
#1  0x00007f2b2b9be17c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2b2da24882 in ARDOUR::Analyser::work() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2da24671 in ?? () from /usr/lib/ardour3/libardour.so.3
#4  0x000000000143fd33 in sigc::pointer_functor0<void>::operator()() const ()
#5  0x000000000143d33a in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#6  0x0000000001439ec9 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#7  0x00007f2b2bed529d in ?? () from /usr/lib/libglibmm-2.4.so.1
#8  0x00007f2b2b9a05f5 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f2b1410a700 (LWP 19723)):
#0  0x00007f2b271c64ed in poll () from /usr/lib/libc.so.6
#1  0x00007f2b16311cb6 in jack_cycle_wait () from /usr/lib/libjack.so.0
#2  0x00007f2b16579daa in ARDOUR::JACKAudioBackend::process_thread() () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#3  0x00007f2b16579d5a in ARDOUR::JACKAudioBackend::_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#4  0x00007f2b16312067 in ?? () from /usr/lib/libjack.so.0
#5  0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f2af0446700 (LWP 19731)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f2b14089700 (LWP 19725)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db92b90 in ARDOUR::Graph::restart_cycle() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db92b5d in ARDOUR::Graph::dec_ref() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db98b68 in ARDOUR::GraphNode::finish(int) () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9376d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db93b7a in ARDOUR::Graph::main_thread() () from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#9  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#10 0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#11 0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#12 0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#13 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#14 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#15 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f2af064a700 (LWP 19727)):
#0  0x00007f2b2841ebe9 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0
#1  0x00007f2b2841ec84 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0
#2  0x00007f2b2db94fe4 in PBD::ProcessSemaphore::wait() () from /usr/lib/ardour3/libardour.so.3
#3  0x00007f2b2db9360d in ARDOUR::Graph::run_one() () from /usr/lib/ardour3/libardour.so.3
#4  0x00007f2b2db93950 in ARDOUR::Graph::helper_thread() () from /usr/lib/ardour3/libardour.so.3
#5  0x00007f2b2db984e9 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator()(ARDOUR::Graph*) const () from /usr/lib/ardour3/libardour.so.3
#6  0x00007f2b2db9814a in void boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, ARDOUR::Graph>&, boost::_bi::list0&, int) () from /usr/lib/ardour3/libardour.so.3
#7  0x00007f2b2db97e05 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator()() ()
   from /usr/lib/ardour3/libardour.so.3
#8  0x00007f2b2db978f8 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(boost::detail::function::function_buffer&) () from /usr/lib/ardour3/libardour.so.3
#9  0x0000000000e7b4d0 in boost::function0<void>::operator()() const ()
#10 0x00007f2b16579d0b in ARDOUR::JACKAudioBackend::_start_process_thread(void*) () from /usr/lib/ardour3/backends/libjack_audiobackend.so
#11 0x00007f2b28417374 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f2b271cf27d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f2b2e753940 (LWP 19674)):
#0  0x00007f2b27a69acb in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) () from /usr/lib/libstdc++.so.6
#1  0x0000000001048ff5 in Editor::add_sources(std::vector<std::string, std::allocator<std::string> >, std::vector<boost::shared_ptr<ARDOUR::Source>, std::allocator<boost::shared_ptr<ARDOUR::Source> > >&, long&, Editing::ImportDisposition, Editing::ImportMode, int, int, boost::shared_ptr<ARDOUR::Track>&, bool) ()
#2  0x00000000010474f4 in Editor::import_sndfiles(std::vector<std::string, std::allocator<std::string> >, Editing::ImportDisposition, Editing::ImportMode, ARDOUR::SrcQuality, long&, int, int, boost::shared_ptr<ARDOUR::Track>&, bool) ()
#3  0x000000000104685c in Editor::do_import(std::vector<std::string, std::allocator<std::string> >, Editing::ImportDisposition, Editing::ImportMode, ARDOUR::SrcQuality, long&)
    ()
#4  0x00000000015ae735 in SoundFileOmega::do_something(int) ()
#5  0x00000000015b60ac in sigc::bound_mem_functor1<void, SoundFileBrowser, int>::operator()(int const&) const ()
#6  0x00000000015b577c in sigc::adaptor_functor<sigc::bound_mem_functor1<void, SoundFileBrowser, int> >::deduce_result_type<Gtk::ResponseType&, void, void, void, void, void, void>::type sigc::adaptor_functor<sigc::bound_mem_functor1<void, SoundFileBrowser, int> >::operator()<Gtk::ResponseType&>(Gtk::ResponseType&) const ()
#7  0x00000000015b4a98 in sigc::bind_functor<-1, sigc::bound_mem_functor1<void, SoundFileBrowser, int>, Gtk::ResponseType, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator()() ()
#8  0x00000000015b3671 in sigc::internal::slot_call0<sigc::bind_functor<-1, sigc::bound_mem_functor1<void, SoundFileBrowser, int>, Gtk::ResponseType, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, void>::call_it(sigc::internal::slot_rep*) ()
#9  0x00007f2b2bee3978 in Glib::SignalProxyNormal::slot0_void_callback(_GObject*, void*) () from /usr/lib/libglibmm-2.4.so.1
#10 0x00007f2b2bc4e255 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#11 0x00007f2b2bc60252 in ?? () from /usr/lib/libgobject-2.0.so.0
#12 0x00007f2b2bc68758 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#13 0x00007f2b2bc689bf in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0x00007f2b2b173175 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007f2b2bc4e484 in ?? () from /usr/lib/libgobject-2.0.so.0
#16 0x00007f2b2bc68067 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#17 0x00007f2b2bc689bf in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#18 0x00007f2b2b172069 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x00007f2b2b2188bf in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007f2b2bc4e255 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#21 0x00007f2b2bc5fe42 in ?? () from /usr/lib/libgobject-2.0.so.0
#22 0x00007f2b2bc68265 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#23 0x00007f2b2bc689bf in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#24 0x00007f2b2b32fb1c in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00007f2b2b217004 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007f2b2b21749b in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x00007f2b2ae8c26c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#28 0x00007f2b2b979a0d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0x00007f2b2b979cf8 in ?? () from /usr/lib/libglib-2.0.so.0
#30 0x00007f2b2b97a022 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#31 0x00007f2b2b216417 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x00007f2b2c9c9ac0 in Gtkmm2ext::UI::run(Receiver&) () from /usr/lib/ardour3/libgtkmm2ext.so.0
#33 0x000000000125a6e4 in main ()
quit