ardour-3.0: ../libs/ardour/ticker.cc:185: void ARDOUR::MidiClockTicker::send_midi_clock_event(ARDOUR::nframes_t): Assertion `MIDI::Port::is_process_thread()' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffb8c3c710 (LWP 10919)]
0x00007fffecdeba75 in raise () from /lib/libc.so.6
(gdb) thread apply all bt

Thread 16 (Thread 0x7fffdbdee710 (LWP 10924)):
#0  0x00007fffed146bc9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007ffff2307602 in g_cond_timed_wait_posix_impl (cond=0x7fffdc2d5864, 
    entered_mutex=0x189, abs_time=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/gthread/gthread-posix.c:242
#2  0x00007ffff336a851 in g_async_queue_pop_intern_unlocked (queue=0x1b04fa0, 
    try=0, end_time=0x7fffdbdedd20)
    at /build/buildd/glib2.0-2.24.1/glib/gasyncqueue.c:365
#3  0x00007ffff336a997 in IA__g_async_queue_timed_pop (queue=0x1b04fa0, 
    end_time=0x7fffdbdedd20)
    at /build/buildd/glib2.0-2.24.1/glib/gasyncqueue.c:491
#4  0x00007ffff33ba9c8 in g_thread_pool_wait_for_new_pool (
    data=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gthreadpool.c:171
#5  g_thread_pool_thread_proxy (data=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gthreadpool.c:374
#6  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x1c25c80)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
#7  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#8  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---

Thread 15 (Thread 0x7fffb8a5e830 (LWP 10923)):
#0  0x00007fffed14a11d in nanosleep () from /lib/libpthread.so.0
#1  0x00007ffff33bb7d8 in IA__g_usleep (microseconds=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gtimer.c:260
#2  0x00007ffff67bf404 in ARDOUR::AudioEngine::meter_thread (this=0x1c59590)
    at ../libs/ardour/audioengine.cc:675
#3  0x00007ffff67d63f7 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x18f3110, p=0x1c59590)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff67d3460 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x18f3120, f=..., a=...) at /usr/include/boost/bind/bind.hpp:246
#5  0x00007ffff67d06d3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x18f3110) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff67cd408 in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > > >::operator() (this=0x18f3110)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff67ca648 in sigc::internal::slot_call0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >, void>::call_it (rep=0x18f30e0)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff2788862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x18f1510)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
#10 0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#11 0x00007fffece9e6fd in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fffdb5ed710 (LWP 10922)):
#0  0x00007fffece91f83 in poll () from /lib/libc.so.6
#1  0x00007ffff33934a9 in g_main_context_poll (context=0x3ad7e70, 
    block=<value optimized out>, dispatch=<value optimized out>, 
    self=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2904
#2  g_main_context_iterate (context=0x3ad7e70, block=<value optimized out>, 
    dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2586
#3  0x00007ffff3393c55 in IA__g_main_loop_run (loop=0x3ad7f50)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2799
#4  0x00007ffff7b2db9b in BaseUI::main_thread (this=0x3ad7fe0)
    at ../libs/pbd/base_ui.cc:76
#5  0x00007ffff7b2f047 in sigc::bound_mem_functor0<void, BaseUI>::operator() (
    this=0x3ad75a8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
---Type <return> to continue, or q <return> to quit---
#6  0x00007ffff7b2eea2 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x3ad75a0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff7b2ebfb in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x3ad7570)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff2788862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x3ad7600)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
#10 0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#11 0x00007fffece9e6fd in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fffb8b39830 (LWP 10921)):
#0  0x00007fffece91f83 in poll () from /lib/libc.so.6
#1  0x00007ffff68307c0 in ARDOUR::Butler::thread_work (this=0x38cca00)
    at ../libs/ardour/butler.cc:159
#2  0x00007ffff6830734 in ARDOUR::Butler::_thread_work (arg=0x38cca00)
    at ../libs/ardour/butler.cc:140
#3  0x00007ffff7b61e58 in fake_thread_start (arg=0x3acd8a0)
    at ../libs/pbd/pthread_utils.cc:81
#4  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#5  0x00007fffece9e6fd in clone () from /lib/libc.so.6
---Type <return> to continue, or q <return> to quit---
#6  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fffb8bbb710 (LWP 10920)):
#0  0x00007fffed148b50 in sem_wait () from /lib/libpthread.so.0
#1  0x00007ffff6918b43 in ARDOUR::Graph::restart_cycle (this=0x38cdbc0)
    at ../libs/ardour/graph.cc:201
#2  0x00007ffff6918b0d in ARDOUR::Graph::dec_ref (this=0x38cdbc0)
    at ../libs/ardour/graph.cc:187
#3  0x00007ffff691ebf0 in ARDOUR::GraphNode::finish (this=0x3952c18, chain=1)
    at ../libs/ardour/graphnode.cc:57
#4  0x00007ffff6919aa7 in ARDOUR::Graph::run_one (this=0x38cdbc0)
    at ../libs/ardour/graph.cc:344
#5  0x00007ffff6919c7d in ARDOUR::Graph::main_thread (this=0x38cdbc0)
    at ../libs/ardour/graph.cc:403
#6  0x00007ffff691e37f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (
    this=0x7fffb8bbad58, p=0x38cdbc0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#7  0x00007ffff691dff2 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (
    this=0x7fffb8bbad68, f=..., a=...) at /usr/include/boost/bind/bind.hpp:246
#8  0x00007ffff691dd19 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffb8bbad58) at /usr/include/boost/bind/bind_template.hpp:20
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff691d8c1 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...)
    at /usr/include/boost/function/function_template.hpp:153
#10 0x00000000008c500b in boost::function0<void>::operator() (
    this=0x7fffb8bbad50)
    at /usr/include/boost/function/function_template.hpp:1013
#11 0x00007ffff67c23cf in ARDOUR::AudioEngine::_start_process_thread (
    arg=0x38ce080) at ../libs/ardour/audioengine.cc:1493
#12 0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#13 0x00007fffece9e6fd in clone () from /lib/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fffb8c3c710 (LWP 10919)):
#0  0x00007fffecdeba75 in raise () from /lib/libc.so.6
#1  0x00007fffecdef5c0 in abort () from /lib/libc.so.6
#2  0x00007fffecde4941 in __assert_fail () from /lib/libc.so.6
#3  0x00007ffff6be22b3 in ARDOUR::MidiClockTicker::send_midi_clock_event (
    this=0x7ffff7288f60, offset=0) at ../libs/ardour/ticker.cc:185
#4  0x00007ffff6be1f32 in ARDOUR::MidiClockTicker::transport_state_changed (
    this=0x7ffff7288f60) at ../libs/ardour/ticker.cc:99
#5  0x00007ffff6be5ad7 in boost::_mfi::mf0<void, ARDOUR::MidiClockTicker>::operator() (this=0x1c11870, p=0x7ffff7288f60)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#6  0x00007ffff6be4c5a in boost::_bi::list1<boost::_bi::value<ARDOUR::MidiClockTicker*> >::operator()<boost::_mfi::mf0<void, ARDOUR::MidiClockTicker>, boost::_bi::list0> (this=0x1c11880, f=..., a=...)
    at /usr/include/boost/bind/bind.hpp:246
#7  0x00007ffff6be3fd5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::MidiClockTicker>, boost::_bi::list1<boost::_bi::value<ARDOUR::MidiClockTicker*> > >::operator() (this=0x1c11870)
    at /usr/include/boost/bind/bind_template.hpp:20
#8  0x00007ffff6be37f4 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::MidiClockTicker>, boost::_bi::list1<boost::_bi::value<ARDOUR::MidiClockTicker*> > >, void>::invoke (
    function_obj_ptr=...)
    at /usr/include/boost/function/function_template.hpp:153
#9  0x00000000008c500b in boost::function0<void>::operator() (this=0x1c11868)
    at /usr/include/boost/function/function_template.hpp:1013
#10 0x00000000008c0b03 in boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker::m_invoke(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > const&, boost::signals2::detail::void_type const*) const (
---Type <return> to continue, or q <return> to quit---
    this=0x7fffb8c3b760, connectionBody=...)
    at /usr/include/boost/signals2/detail/signal_template.hpp:351
#11 0x00000000008baf5f in boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker::operator()(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > const&) const (this=0x7fffb8c3b760, connectionBody=...)
    at /usr/include/boost/signals2/detail/signal_template.hpp:340
#12 0x00000000008b4c6f in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >::dereference() const (this=0x7fffb8c3b560)
    at /usr/include/boost/signals2/detail/slot_call_iterator.hpp:82
#13 0x00000000008af0fe in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, ---Type <return> to continue, or q <return> to quit---
int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >::reference boost::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<---Type <return> to continue, or q <return> to quit---
void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > const&) (f=...)
    at /usr/include/boost/iterator/iterator_facade.hpp:516
#14 0x00000000008a9456 in boost::iterator_facade<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long>::operator*() const (this=0x7fffb8c3b560)
    at /usr/include/boost/iterator/iterator_facade.hpp:634
#15 0x00000000008a4d04 in void boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::sha---Type <return> to continue, or q <return> to quit---
red_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void---Type <return> to continue, or q <return> to quit---
 ()()> >, boost::signals2::mutex> >) const (this=0x38c98d0, first=..., 
    last=...) at /usr/include/boost/signals2/optional_last_value.hpp:55
#16 0x00000000008a0223 in void boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iter---Type <return> to continue, or q <return> to quit---
ator_t<boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot0<void, boost::function<void ()()> >, boost::signals2::mutex> >) const (this=0x7fffb8c3b69e, 
    combiner=..., first=..., last=...)
    at /usr/include/boost/signals2/detail/result_type_wrapper.hpp:64
#17 0x000000000089b03e in boost::signals2::detail::signal0_impl<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::operator()() (this=0x38c97e0)
    at /usr/include/boost/signals2/detail/signal_template.hpp:246
#18 0x0000000000895a3c in boost::signals2::signal0<void, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void ()()>, boost::function<void ()(boost::signals2::connection const&)>, boost::signals2::mutex>::operator()() (this=0x38c40e0)
    at /usr/include/boost/signals2/detail/signal_template.hpp:675
#19 0x0000000000891f5e in PBD::Signal0<void>::operator() (this=0x38c40e0)
    at ../libs/pbd/pbd/signals.h:104
---Type <return> to continue, or q <return> to quit---











#20 0x00007ffff6bb2d69 in ARDOUR::Session::start_transport (this=0x38c3f60)
    at ../libs/ardour/session_transport.cc:1146
#21 0x00007ffff6bb216d in ARDOUR::Session::set_transport_speed (
    this=0x38c3f60, speed=1, abort=false, clear_state=false)
    at ../libs/ardour/session_transport.cc:984
#22 0x00007ffff6b52486 in ARDOUR::Session::process_event (this=0x38c3f60, 
    ev=0x1a44b10) at ../libs/ardour/session_process.cc:1018
#23 0x00007ffff6b39876 in ARDOUR::SessionEventManager::merge_event (
    this=0x38c4030, ev=0x1a44b10) at ../libs/ardour/session_events.cc:157
#24 0x00007ffff6b4f46a in ARDOUR::Session::process_with_events (
    this=0x38c3f60, nframes=1024) at ../libs/ardour/session_process.cc:252
#25 0x00007ffff6b4ecb6 in ARDOUR::Session::process (this=0x38c3f60, 
    nframes=1024) at ../libs/ardour/session_process.cc:74
#26 0x00007ffff67be9bf in ARDOUR::AudioEngine::process_callback (
    this=0x1c59590, nframes=1024) at ../libs/ardour/audioengine.cc:512
#27 0x00007ffff67be657 in ARDOUR::AudioEngine::process_thread (this=0x1c59590)
    at ../libs/ardour/audioengine.cc:436
#28 0x00007ffff67be416 in ARDOUR::AudioEngine::_process_thread (arg=0x1c59590)
    at ../libs/ardour/audioengine.cc:376
#29 0x00007ffff363ef3b in ?? () from /usr/lib/libjack.so.0
#30 0x00007ffff36576e0 in ?? () from /usr/lib/libjack.so.0
#31 0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#32 0x00007fffece9e6fd in clone () from /lib/libc.so.6
---Type <return> to continue, or q <return> to quit---
#33 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fffe00f5710 (LWP 10918)):
#0  0x00007fffed14993d in read () from /lib/libpthread.so.0
#1  0x00007ffff3659592 in ?? () from /usr/lib/libjack.so.0
#2  0x00007ffff365bd34 in ?? () from /usr/lib/libjack.so.0
#3  0x00007ffff36576e0 in ?? () from /usr/lib/libjack.so.0
#4  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#5  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fffe0176710 (LWP 10917)):
#0  0x00007fffed14685c in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007ffff36591f1 in ?? () from /usr/lib/libjack.so.0
#2  0x00007ffff3651e59 in ?? () from /usr/lib/libjack.so.0
#3  0x00007ffff36576e0 in ?? () from /usr/lib/libjack.so.0
#4  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#5  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffe2a26710 (LWP 10912)):
#0  0x00007fffed14685c in pthread_cond_wait@@GLIBC_2.3.2 ()
---Type <return> to continue, or q <return> to quit---
   from /lib/libpthread.so.0
#1  0x00007ffff67537d5 in ARDOUR::Analyser::work ()
    at ../libs/ardour/analyser.cc:85
#2  0x00007ffff6753505 in analyser_work () at ../libs/ardour/analyser.cc:49
#3  0x0000000000e5d37f in sigc::pointer_functor0<void>::operator()() const ()
#4  0x0000000000e5b8ca in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x0000000000e591b5 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#6  0x00007ffff2788862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#7  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x7fffdc000be0)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
#8  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#9  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe3227710 (LWP 10911)):
#0  0x00007fffed14685c in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007ffff6bcb83b in peak_thread_work ()
    at ../libs/ardour/source_factory.cc:69
#2  0x0000000000e5d37f in sigc::pointer_functor0<void>::operator()() const ()
#3  0x0000000000e5b8ca in sigc::adaptor_functor<sigc::pointer_functor0<void> >::---Type <return> to continue, or q <return> to quit---
operator()() const ()
#4  0x0000000000e591b5 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#5  0x00007ffff2788862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x7fffdc000920)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
#7  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#8  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffe3a28710 (LWP 10910)):
#0  0x00007fffed14685c in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007ffff6bcb83b in peak_thread_work ()
    at ../libs/ardour/source_factory.cc:69
#2  0x0000000000e5d37f in sigc::pointer_functor0<void>::operator()() const ()
#3  0x0000000000e5b8ca in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#4  0x0000000000e591b5 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#5  0x00007ffff2788862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff33b8b84 in g_thread_create_proxy (data=0x1a181b0)
    at /build/buildd/glib2.0-2.24.1/glib/gthread.c:1893
---Type <return> to continue, or q <return> to quit---
#7  0x00007fffed1419ca in start_thread () from /lib/libpthread.so.0
#8  0x00007fffece9e6fd in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7f96820 (LWP 10909)):
#0  0x00007fffece91f83 in poll () from /lib/libc.so.6
#1  0x00007fffe966629a in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fffe9667c2c in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#3  0x00007fffeb2398d3 in _XReply () from /usr/lib/libX11.so.6
#4  0x00007fffeb214fa0 in XGetGeometry () from /usr/lib/libX11.so.6
#5  0x00007ffff189b631 in gdk_window_x11_get_geometry (
    window=<value optimized out>, x=0x7fffffffcf80, y=0x7fffffffcf84, 
    width=0x7fffffffcf88, height=0x7fffffffcf8c, depth=0x0)
    at /build/buildd/gtk+2.0-2.20.1/gdk/x11/gdkwindow-x11.c:2785
#6  0x00007ffff186ca9c in IA__gdk_window_get_geometry (window=0x3cfbc10, 
    x=0x7fffffffcf80, y=0x7fffffffcf84, width=0x7fffffffcf88, 
    height=0x7fffffffcf8c, depth=0x0)
    at /build/buildd/gtk+2.0-2.20.1/gdk/gdkwindow.c:7964
#7  0x00007ffff1868d3c in IA__gdk_screen_get_monitor_at_window (
    screen=0x17ff790, window=0x3cfbc10)
    at /build/buildd/gtk+2.0-2.20.1/gdk/gdkscreen.c:315
#8  0x00007fffe58902c2 in ca_gtk_proplist_set_for_widget ()
   from /usr/lib/libcanberra-gtk.so.0
---Type <return> to continue, or q <return> to quit---
#9  0x00007fffe589074b in ca_gtk_proplist_set_for_event ()
   from /usr/lib/libcanberra-gtk.so.0
#10 0x00007fffe5890e2b in ca_gtk_play_for_event ()
   from /usr/lib/libcanberra-gtk.so.0
#11 0x00007fffe5a95ee9 in ?? ()
   from /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so
#12 0x00007fffe5a97333 in ?? ()
   from /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so
#13 0x00007ffff184cdb6 in gdk_threads_dispatch (data=0x429a0a0)
    at /build/buildd/gtk+2.0-2.20.1/gdk/gdk.c:512
#14 0x00007ffff338f8c2 in g_main_dispatch (context=0x1809be0)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:1960
#15 IA__g_main_context_dispatch (context=0x1809be0)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2513
#16 0x00007ffff3393748 in g_main_context_iterate (context=0x1809be0, 
    block=<value optimized out>, dispatch=<value optimized out>, 
    self=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2591
#17 0x00007ffff3393c55 in IA__g_main_loop_run (loop=0x3f30000)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2799
#18 0x00007ffff1c16bb7 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.20.1/gtk/gtkmain.c:1219
#19 0x00007ffff5809f1b in Gtkmm2ext::UI::run (this=0x17dd410, old_receiver=...)
---Type <return> to continue, or q <return> to quit---
    at ../libs/gtkmm2ext/gtk_ui.cc:259
#20 0x0000000000cd4c67 in main (argc=1, argv=0x7fffffffd738)
    at ../gtk2_ardour/main.cc:433