Program received signal SIGSEGV, Segmentation fault.
0x00007ffff0afe963 in gtk_menu_item_set_label () from /usr/lib/libgtk-x11-2.0.so.0
(gdb) thread apply all bt

Thread 23 (Thread 0x7fffb6c79820 (LWP 7915)):
#0  0x00007fffec91d11d in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ffff24f77d8 in g_usleep () from /lib/libglib-2.0.so.0
#2  0x00007ffff62ab600 in ARDOUR::AudioEngine::meter_thread (this=0x2422450) at ../libs/ardour/audioengine.cc:701
#3  0x00007ffff62cc181 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x2192ed0, p=0x2422450) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff62c75c8 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x2192ee0, f=..., a=...)
    at /usr/include/boost/bind/bind.hpp:246
#5  0x00007ffff62c2fcb in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x2192ed0)
    at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff62bdf2c 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=0x2192ed0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff62b9936 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=0x2192ea0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff165f862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007ffff24f4b84 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7fffd77e0700 (LWP 7914)):
#0  0x00007fffec664f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff24cf4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007ffff24cfc55 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x00007ffff76e2c4b in BaseUI::main_thread (this=0x3e62cc0) at ../libs/pbd/base_ui.cc:76
#4  0x00007ffff76e40f7 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x3e62008) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff76e3f52 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x3e62000) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff76e3cab in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x3e61fd0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff165f862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#8  0x00007ffff24f4b84 in ?? () from /lib/libglib-2.0.so.0
#9  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7fffb6cf4820 (LWP 7913)):
#0  0x00007fffec664f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff632e37a in ARDOUR::Butler::thread_work (this=0x3c39130) at ../libs/ardour/butler.cc:159
#2  0x00007ffff632e2ee in ARDOUR::Butler::_thread_work (arg=0x3c39130) at ../libs/ardour/butler.cc:140
#3  0x00007ffff771970c in fake_thread_start (arg=0x3e56770) at ../libs/pbd/pthread_utils.cc:81
#4  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7fffb6d76700 (LWP 7912)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:86
#1  0x00007ffff6424e68 in PBD::ProcessSemaphore::wait (this=0x3c3a588) at ../libs/pbd/pbd/semutils.h:41
#2  0x00007ffff64224ff in ARDOUR::Graph::restart_cycle (this=0x3c3a4b0) at ../libs/ardour/graph.cc:228
#3  0x00007ffff64224c9 in ARDOUR::Graph::dec_ref (this=0x3c3a4b0) at ../libs/ardour/graph.cc:214
#4  0x00007ffff6429446 in ARDOUR::GraphNode::finish (this=0x3cd05b0, chain=0) at ../libs/ardour/graphnode.cc:61
#5  0x00007ffff6423467 in ARDOUR::Graph::run_one (this=0x3c3a4b0) at ../libs/ardour/graph.cc:374
#6  0x00007ffff6423794 in ARDOUR::Graph::main_thread (this=0x3c3a4b0) at ../libs/ardour/graph.cc:438
#7  0x00007ffff6428863 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffb6d75d58, p=0x3c3a4b0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff64284ac in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffb6d75d68, f=..., a=...)
    at /usr/include/boost/bind/bind.hpp:246
#9  0x00007ffff64281dd in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffb6d75d58)
    at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff6427e37 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*> ---Type <return> to continue, or q <return> to quit---
> >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#11 0x0000000000fde9b9 in boost::function0<void>::operator() (this=0x7fffb6d75d50) at /usr/include/boost/function/function_template.hpp:1013
#12 0x00007ffff62ae97f in ARDOUR::AudioEngine::_start_process_thread (arg=0x3c4a930) at ../libs/ardour/audioengine.cc:1516
#13 0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#14 0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fffb6df7700 (LWP 7911)):
#0  0x00007fffec664f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=2147483) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff2794ee6 in Jack::JackFifo::TimedWait(long) () from /usr/lib/libjack.so.0
#2  0x00007ffff277c1aa in Jack::JackConnectionManager::SuspendRefNum(Jack::JackClientControl*, Jack::JackFifo*, Jack::JackClientTiming*, long) () from /usr/lib/libjack.so.0
#3  0x00007ffff27795c7 in Jack::JackClient::CycleWait() () from /usr/lib/libjack.so.0
#4  0x00007ffff62aa835 in ARDOUR::AudioEngine::process_thread (this=0x2422450) at ../libs/ardour/audioengine.cc:460
#5  0x00007ffff62aa46c in ARDOUR::AudioEngine::_process_thread (arg=0x2422450) at ../libs/ardour/audioengine.cc:382
#6  0x00007ffff277aebb in Jack::JackClient::Execute() () from /usr/lib/libjack.so.0
#7  0x00007ffff2793820 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#8  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fffd6f5e700 (LWP 7910)):
#0  0x00007fffec91c93d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ffff27956d2 in Jack::JackClientSocket::Read(void*, int) () from /usr/lib/libjack.so.0
#2  0x00007ffff2797e74 in Jack::JackSocketClientChannel::Execute() () from /usr/lib/libjack.so.0
#3  0x00007ffff2793820 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#4  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fffd6fdf700 (LWP 7909)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff2795331 in Jack::JackProcessSync::Wait() () from /usr/lib/libjack.so.0
#2  0x00007ffff278e0b9 in Jack::JackMessageBuffer::Execute() () from /usr/lib/libjack.so.0
#3  0x00007ffff2793820 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#4  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffe2a38700 (LWP 7896)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff623ab65 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:85
#2  0x00007ffff623a895 in analyser_work () at ../libs/ardour/analyser.cc:49
#3  0x00000000015d1613 in sigc::pointer_functor0<void>::operator()() const ()
#4  0x00000000015cee2e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x00000000015cbd77 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#6  0x00007ffff165f862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#7  0x00007ffff24f4b84 in ?? () from /lib/libglib-2.0.so.0
#8  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe3239700 (LWP 7895)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff67118f7 in peak_thread_work () at ../libs/ardour/source_factory.cc:69
#2  0x00000000015d1613 in sigc::pointer_functor0<void>::operator()() const ()
#3  0x00000000015cee2e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#4  0x00000000015cbd77 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
---Type <return> to continue, or q <return> to quit---
#5  0x00007ffff165f862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff24f4b84 in ?? () from /lib/libglib-2.0.so.0
#7  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#8  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffe3a3a700 (LWP 7894)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff67118f7 in peak_thread_work () at ../libs/ardour/source_factory.cc:69
#2  0x00000000015d1613 in sigc::pointer_functor0<void>::operator()() const ()
#3  0x00000000015cee2e in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#4  0x00000000015cbd77 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it(sigc::internal::slot_rep*) ()
#5  0x00007ffff165f862 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff24f4b84 in ?? () from /lib/libglib-2.0.so.0
#7  0x00007fffec9149ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#8  0x00007fffec67170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7f99820 (LWP 7886)):
#0  0x00007ffff0afe963 in gtk_menu_item_set_label () from /usr/lib/libgtk-x11-2.0.so.0
#1  0x0000000001159339 in Editor::add_region_context_items (this=0x25fadd0, edit_items=..., multiple_regions_at_position=false) at ../gtk2_ardour/editor.cc:1729
#2  0x0000000001157d35 in Editor::build_track_region_context_menu (this=0x25fadd0) at ../gtk2_ardour/editor.cc:1540
#3  0x0000000001157077 in Editor::popup_track_context_menu (this=0x25fadd0, button=1, time=31880688, item_type=RegionItem, with_selection=false) at ../gtk2_ardour/editor.cc:1407
#4  0x000000000125af20 in Editor::button_release_handler (this=0x25fadd0, item=0x7fffdc8fe770, event=0x422e9e0, item_type=RegionItem) at ../gtk2_ardour/editor_mouse.cc:1266
#5  0x00000000011ff205 in Editor::canvas_region_view_event (this=0x25fadd0, event=0x422e9e0, item=0x7fffdc8fe770, rv=0x7fffdc900b80) at ../gtk2_ardour/editor_canvas_events.cc:242
#6  0x000000000106a1d5 in sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, Gnome::Canvas::Item*, RegionView*>::operator() (this=0x7fffdc901df0, _A_a1=@0x7fffffffcb58, 
    _A_a2=@0x7fffffffcac8, _A_a3=@0x7fffdc901e18) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1985
#7  0x0000000001640237 in sigc::adaptor_functor<sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, Gnome::Canvas::Item*, RegionView*> >::operator()<_GdkEvent* const&, Gnome::Canvas::Group*&, RegionView*&> (this=0x7fffdc901de8, _A_arg1=@0x7fffffffcb58, _A_arg2=@0x7fffdc901e10, _A_arg3=@0x7fffdc901e18) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:123
#8  0x000000000163fbc2 in sigc::bind_functor<-1, sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, Gnome::Canvas::Item*, RegionView*>, Gnome::Canvas::Group*, RegionView*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator()<_GdkEvent* const&> (this=0x7fffdc901de0, _A_arg1=@0x7fffffffcb58) at /usr/include/sigc++-2.0/sigc++/adaptors/bind.h:1336
#9  0x000000000163f0c4 in sigc::internal::slot_call1<sigc::bind_functor<-1, sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, Gnome::Canvas::Item*, RegionView*>, Gnome::Canvas::Group*, RegionView*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, bool, _GdkEvent*>::call_it (rep=0x7fffdc901db0, a_1=@0x7fffffffcb58) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:137
#10 0x00007fffed751f22 in ?? () from /usr/lib/libgnomecanvasmm-2.6.so.1
#11 0x00007ffff4e8367d in gnome_canvas_marshal_BOOLEAN__BOXED (closure=0x7fffdc901e60, return_value=0x7fffffffcd50, n_param_values=2, param_values=0x7fffdc905b80, 
    invocation_hint=0x7fffffffcd10, marshal_data=0x0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas-marshal.c:125
#12 0x00007ffff13ee5de in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#13 0x00007ffff14029a4 in ?? () from /usr/lib/libgobject-2.0.so.0
#14 0x00007ffff14038b9 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#15 0x00007ffff1404033 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff4e8998d in emit_event (canvas=0x2269350, event=0x265c8b0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:2583
#17 0x00007ffff4e8a3bd in gnome_canvas_button (widget=0x2269350, event=0x265c8b0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:2798
#18 0x00007ffff0af4178 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x00007ffff13ee5de in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#20 0x00007ffff14021dd in ?? () from /usr/lib/libgobject-2.0.so.0
#21 0x00007ffff14038b9 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#22 0x00007ffff1404033 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#23 0x00007ffff0c0b0bf in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#24 0x00007ffff0aec643 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00007ffff0aed71b in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007ffff076186c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#27 0x00007ffff24cb8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0x00007ffff24cf748 in ?? () from /lib/libglib-2.0.so.0
#29 0x00007ffff24cfc55 in g_main_loop_run () from /lib/libglib-2.0.so.0
#30 0x00007ffff0aedbb7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x00007ffff5225a0f in Gtkmm2ext::UI::run (this=0x200da10, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:265
#32 0x000000000141db09 in main (argc=1, argv=0x7fffffffd978) at ../gtk2_ardour/main.cc:615
(gdb)