Starting program: /opt/Ardour-3.1.10-dbg/bin/ardour-3.0 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
bnd txt domain [gtk2_ardour3] to /opt/Ardour-3.1.10-dbg/share/locale
Ardour3.1 (built using 3.1-10-ged1f310 and GCC version 4.4.6)
Cannot xinstall SIGPIPE error handler

(ardour-3.0:3892): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtcurve",
ardour: [INFO]: Loading default ui configuration file /opt/Ardour-3.1.10-dbg/etc/ardour3_ui_default.conf
Loading user ui configuration file /opt/Ardour-3.1.10-dbg/etc/ardour3_ui.conf
ardour: [INFO]: Loading ui configuration file /opt/Ardour-3.1.10-dbg/etc/ardour3_ui_dark.rc

(ardour-3.0:3892): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtcurve",
ardour: [INFO]: Your system is configured to limit Ardour to only 4096 open files
[New Thread 0x7fffe7faf700 (LWP 3895)]
ardour: [INFO]: Loading system configuration file /opt/Ardour-3.1.10-dbg/etc/ardour_system.rc
Loading user configuration file /home/dan/.config/ardour3/ardour.rc
Using SSE optimized routines
[New Thread 0x7fffe77ae700 (LWP 3896)]
[New Thread 0x7fffe6fad700 (LWP 3897)]
[New Thread 0x7fffe67ac700 (LWP 3898)]
[New Thread 0x7fffe5926800 (LWP 3899)]
[New Thread 0x7fffe54a1700 (LWP 3900)]
[New Thread 0x7fffbe2b1700 (LWP 3901)]
[New Thread 0x7fffe4ca0700 (LWP 3902)]
[New Thread 0x7fffe4c1f700 (LWP 3903)]
[Thread 0x7fffe4c1f700 (LWP 3903) exited]
[Thread 0x7fffe4ca0700 (LWP 3902) exited]
Announcement is: 
[Thread 0x7fffe5926800 (LWP 3899) exited]
[Thread 0x7fffe54a1700 (LWP 3900) exited]
[New Thread 0x7fffe4ca0700 (LWP 3904)]
[New Thread 0x7fffe4c1f700 (LWP 3905)]
error: failed to expand CURIE `:symbol'
error: attempt to add quad with NULL field
error: failed to expand CURIE `:symbol'
error: attempt to add quad with NULL field
error: failed to expand CURIE `:symbol'
error: attempt to add quad with NULL field
lilv_plugin_load_ports_if_necessary(): error: Plugin <http://home.gna.org/lv2vocoder/1> port symbol `600' is invalid
error: failed to expand CURIE `foaf:name'
error: attempt to add quad with NULL field
error: failed to expand CURIE `foaf:homepage'
error: attempt to add quad with NULL field
error: failed to expand CURIE `foaf:mbox'
error: attempt to add quad with NULL field
error: failed to expand CURIE `foaf:name'
error: attempt to add quad with NULL field
error: failed to expand CURIE `foaf:homepage'
error: attempt to add quad with NULL field
error: failed to expand CURIE `foaf:mbox'
error: attempt to add quad with NULL field
[New Thread 0x7fffe40f6700 (LWP 3906)]
[New Thread 0x7fffd410f700 (LWP 3907)]
[New Thread 0x7fffd408e700 (LWP 3908)]
[New Thread 0x7fff8e804700 (LWP 3909)]
[New Thread 0x7fff8e782800 (LWP 3910)]
[New Thread 0x7fffe54a1700 (LWP 3911)]
WARNING: resolved note-on with no note-off to generate Note #3073: pitch = 77 @ 250.047 .. 368 velocity 64 chn 6
[New Thread 0x7fff8e708700 (LWP 3912)]
[Thread 0x7fffbe2b1700 (LWP 3901) exited]
[New Thread 0x7fffbe2b1700 (LWP 3913)]
[New Thread 0x7fff8de71700 (LWP 3914)]
[New Thread 0x7fff8d670700 (LWP 3915)]
[Thread 0x7fff8d670700 (LWP 3915) exited]
ardour-3.0: ../libs/evoral/src/Sequence.cpp:1213: typename Evoral::Sequence<Time>::Notes::const_iterator Evoral::Sequence<Time>::note_lower_bound(Time) const [with Time = double]: Assertion `i == _notes.end() || (*i)->time() >= t' failed.

Program received signal SIGABRT, Aborted.
0x00007fffec3ff425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) thread apply all bt

Thread 21 (Thread 0x7fff8de71700 (LWP 3914)):
#0  0x00007fffef33f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff3cef60d in g_cond_wait_until () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff3c6e951 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff3c6eb88 in g_async_queue_timeout_pop () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#4  0x00007ffff3ccd4fc in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#5  0x00007ffff3ccd7c0 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#6  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#7  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7fffbe2b1700 (LWP 3913)):
#0  0x00007fffec48884d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffec4b6784 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff72f881f in ARDOUR::AutomationWatch::thread (this=0x14765930) at ../libs/ardour/automation_watch.cc:137
#3  0x00007ffff72fbf21 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x14576590, p=0x14765930) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72fbb64 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x145765a0, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#5  0x00007ffff72fb75f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x14576590)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72fb6ea in sigc::adaptor_functor<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > > >::operator() (this=0x14576590)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72fb2ea 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 (rep=0x14576560)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#10 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fff8e708700 (LWP 3912)):
#0  0x00007fffef34252d in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff3cce7c0 in g_usleep () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#2  0x00007ffff72a4118 in ARDOUR::AudioEngine::meter_thread (this=0x2408dc0) at ../libs/ardour/audioengine.cc:764
#3  0x00007ffff72b7b57 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x9853ff0, p=0x2408dc0) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72b753e in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x9854000, f=..., a=...)
    at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#5  0x00007ffff72b693f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x9853ff0)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72b5c2a 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=0x9853ff0)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72b4522 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=0x9853fc0)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
#9  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#10 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fffe54a1700 (LWP 3911)):
#0  0x00007fffec4b1313 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff3cb2d0b in g_poll () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff3ca23ca in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#3  0x00007ffff3ca1d48 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#4  0x00007ffff3ca21ab in g_main_loop_run () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#5  0x00007ffff5d5867f in BaseUI::main_thread (this=0x4a7d5b0) at ../libs/pbd/base_ui.cc:80
#6  0x00007ffff5d5bf8f in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x4a7dd18) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#7  0x00007ffff5d5bcbc in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x4a7dd10) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#8  0x00007ffff5d5b673 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x4a7dce0) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#9  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
#10 0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#11 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fff8e782800 (LWP 3910)):
#0  0x00007fffec4b1313 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff730c506 in ARDOUR::Butler::thread_work (this=0x44fbbb0) at ../libs/ardour/butler.cc:150
---Type <return> to continue, or q <return> to quit---
#2  0x00007ffff730c48d in ARDOUR::Butler::_thread_work (arg=0x44fbbb0) at ../libs/ardour/butler.cc:134
#3  0x00007ffff5d82dd2 in fake_thread_start (arg=0x4a7d410) at ../libs/pbd/pthread_utils.cc:80
#4  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fff8e804700 (LWP 3909)):
#0  0x00007fffef340fd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73e646e in PBD::ProcessSemaphore::wait (this=0x44fd6b0) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73e4870 in ARDOUR::Graph::run_one (this=0x44fd5f0) at ../libs/ardour/graph.cc:380
#3  0x00007ffff73e4b98 in ARDOUR::Graph::helper_thread (this=0x44fd5f0) at ../libs/ardour/graph.cc:411
#4  0x00007ffff73e9f9d in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e803ca8, p=0x44fd5f0) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73e9bd6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e803cb8, f=..., a=...) at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73e98c7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e803ca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73e947d 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 /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c3f0b3 in boost::function0<void>::operator() (this=0x7fff8e803ca0) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72a79e1 in ARDOUR::AudioEngine::_start_process_thread (arg=0x450ddb0) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fffd408e700 (LWP 3908)):
#0  0x00007fffef340fd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73e646e in PBD::ProcessSemaphore::wait (this=0x44fd6d0) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73e3cd5 in ARDOUR::Graph::restart_cycle (this=0x44fd5f0) at ../libs/ardour/graph.cc:254
#3  0x00007ffff73e3c9f in ARDOUR::Graph::dec_ref (this=0x44fd5f0) at ../libs/ardour/graph.cc:241
#4  0x00007ffff73eab7c in ARDOUR::GraphNode::finish (this=0x4c76b28, chain=0) at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff73e4a30 in ARDOUR::Graph::run_one (this=0x44fd5f0) at ../libs/ardour/graph.cc:394
#6  0x00007ffff73e4b98 in ARDOUR::Graph::helper_thread (this=0x44fd5f0) at ../libs/ardour/graph.cc:411
#7  0x00007ffff73e9f9d in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffd408dca8, p=0x44fd5f0) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff73e9bd6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffd408dcb8, f=..., a=...) at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#9  0x00007ffff73e98c7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffd408dca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
---Type <return> to continue, or q <return> to quit---
#10 0x00007ffff73e947d 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 /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#11 0x0000000000c3f0b3 in boost::function0<void>::operator() (this=0x7fffd408dca0) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#12 0x00007ffff72a79e1 in ARDOUR::AudioEngine::_start_process_thread (arg=0x450da90) at ../libs/ardour/audioengine.cc:1572
#13 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fffd410f700 (LWP 3907)):
#0  0x00007fffef340fd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73e646e in PBD::ProcessSemaphore::wait (this=0x44fd6b0) at /home/harrison/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73e4870 in ARDOUR::Graph::run_one (this=0x44fd5f0) at ../libs/ardour/graph.cc:380
#3  0x00007ffff73e4e90 in ARDOUR::Graph::main_thread (this=0x44fd5f0) at ../libs/ardour/graph.cc:449
#4  0x00007ffff73e9f9d in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffd410eca8, p=0x44fd5f0) at /home/harrison/a3/inst/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73e9bd6 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffd410ecb8, f=..., a=...) at /home/harrison/a3/inst/include/boost/bind/bind.hpp:253
#6  0x00007ffff73e98c7 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffd410eca8)
    at /home/harrison/a3/inst/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73e947d 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 /home/harrison/a3/inst/include/boost/function/function_template.hpp:153
#8  0x0000000000c3f0b3 in boost::function0<void>::operator() (this=0x7fffd410eca0) at /home/harrison/a3/inst/include/boost/function/function_template.hpp:760
#9  0x00007ffff72a79e1 in ARDOUR::AudioEngine::_start_process_thread (arg=0x450da90) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fffe40f6700 (LWP 3906)):
#0  0x00007fffef3410c1 in sem_timedwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffee59c081 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffee57fc11 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffee5845d4 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffee57e304 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffee57e1c6 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fffee57c192 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffee577bed in jack_cycle_wait () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007ffff72a2fda in ARDOUR::AudioEngine::process_thread (this=0x2408dc0) at ../libs/ardour/audioengine.cc:446
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff72a270c in ARDOUR::AudioEngine::_process_thread (arg=0x2408dc0) at ../libs/ardour/audioengine.cc:337
#10 0x00007fffee57c165 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007fffee59b2c4 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#12 0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fffe4c1f700 (LWP 3905)):
#0  0x00007fffef341d2d in read () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffee59d66a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffee5a0ab7 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffee5a07de in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffee59b2c4 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fffe4ca0700 (LWP 3904)):
#0  0x00007fffef33ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffee59c70c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffee59898b in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffee59b2c4 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fffe67ac700 (LWP 3898)):
#0  0x00007fffef33ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff3cef4c1 in g_cond_wait () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff72531df in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007ffff7252f75 in analyser_work () at ../libs/ardour/analyser.cc:46
#4  0x00000000012259a9 in sigc::pointer_functor0<void>::operator()() const ()
#5  0x00000000012230da in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#6  0x000000000121f93f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x1f4fc60) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
---Type <return> to continue, or q <return> to quit---
#8  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#9  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffe6fad700 (LWP 3897)):
#0  0x00007fffef33ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff3cef4c1 in g_cond_wait () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff76ba2b9 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000012259a9 in sigc::pointer_functor0<void>::operator()() const ()
#4  0x00000000012230da in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x000000000121f93f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x1f52db0) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
#7  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#8  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe77ae700 (LWP 3896)):
#0  0x00007fffef33ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff3cef4c1 in g_cond_wait () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#2  0x00007ffff76ba2b9 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000012259a9 in sigc::pointer_functor0<void>::operator()() const ()
#4  0x00000000012230da in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator()() const ()
#5  0x000000000121f93f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x1f16510) at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff44331f2 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglibmm-2.4.so.1
#7  0x00007ffff3ccd111 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#8  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffe7faf700 (LWP 3895)):
#0  0x00007fffec48884d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffec4b6784 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00000000014d0dc6 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:380
---Type <return> to continue, or q <return> to quit---
#3  0x00007fffef33ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fffec4bcccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fb4900 (LWP 3892)):
#0  0x00007fffec3ff425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffec402b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fffec3f80ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007fffec3f8192 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff669f95f in Evoral::Sequence<double>::note_lower_bound (this=0x4bf1f38, t=196.99807291666667) at ../libs/evoral/src/Sequence.cpp:1213
#5  0x00007ffff66a0bb3 in Evoral::Sequence<double>::remove_note_unlocked (this=0x4bf1f38, note=...) at ../libs/evoral/src/Sequence.cpp:736
#6  0x00007ffff745adbf in ARDOUR::MidiModel::NoteDiffCommand::operator() (this=0x160294a0) at ../libs/ardour/midi_model.cc:284
#7  0x00007ffff7459df7 in ARDOUR::MidiModel::apply_command (this=0x4bf1ed0, session=..., cmd=0x160294a0) at ../libs/ardour/midi_model.cc:100
#8  0x00000000010912ce in MidiRegionView::apply_diff (this=0x15f58e50, as_subcommand=false) at ../gtk2_ardour/midi_region_view.cc:1044
#9  0x0000000001097962 in MidiRegionView::delete_selection (this=0x15f58e50) at ../gtk2_ardour/midi_region_view.cc:2032
#10 0x000000000108fc81 in MidiRegionView::key_press (this=0x15f58e50, ev=0x15e2c5e0) at ../gtk2_ardour/midi_region_view.cc:731
#11 0x000000000108e92b in MidiRegionView::canvas_event (this=0x15f58e50, ev=0x15e2c5e0) at ../gtk2_ardour/midi_region_view.cc:360
#12 0x00000000010b3f68 in sigc::bound_mem_functor1<bool, MidiRegionView, _GdkEvent*>::operator()(_GdkEvent* const&) const ()
#13 0x00000000010b140f in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, MidiRegionView, _GdkEvent*> >::deduce_result_type<_GdkEvent* const&, void, void, void, void, void, void>::type sigc::adaptor_functor<sigc::bound_mem_functor1<bool, MidiRegionView, _GdkEvent*> >::operator()<_GdkEvent* const&>(_GdkEvent* const&) const ()
#14 0x00000000010ae592 in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, MidiRegionView, _GdkEvent*>, bool, _GdkEvent*>::call_it (rep=0x15fb34f0, a_1=@0x7fffffffb458: 0x15e2c5e0)
    at /home/harrison/a3/inst/include/sigc++-2.0/sigc++/functors/slot.h:137
#15 0x00007fffefbedc82 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgnomecanvasmm-2.6.so.1
#16 0x00007fffef9a7088 in gnome_canvas_marshal_BOOLEAN__BOXED () from /opt/Ardour-3.1.10-dbg/lib/libgnomecanvas-2.so.0
#17 0x00007ffff41ab69e in g_closure_invoke () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#18 0x00007ffff41c7f73 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#19 0x00007ffff41c72b6 in g_signal_emit_valist () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#20 0x00007ffff41c7777 in g_signal_emit () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#21 0x00007fffef9ad3d5 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgnomecanvas-2.so.0
#22 0x00007fffef9ae176 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgnomecanvas-2.so.0
#23 0x00007ffff32b2390 in _gtk_marshal_BOOLEAN__BOXED () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#24 0x00007ffff41abd87 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#25 0x00007ffff41ab69e in g_closure_invoke () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#26 0x00007ffff41c8107 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#27 0x00007ffff41c72b6 in g_signal_emit_valist () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#28 0x00007ffff41c7777 in g_signal_emit () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#29 0x00007ffff34390f8 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#30 0x00007ffff3438c18 in gtk_widget_event () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#31 0x00007ffff344fb8e in gtk_window_propagate_key_event () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#32 0x00000000014bd5ab in key_press_focus_accelerator_handler (window=..., ev=0x15e2c910) at ../gtk2_ardour/utils.cc:484
#33 0x0000000000dbf4a5 in Editor::on_key_press_event (this=0x3b23210, ev=0x15e2c910) at ../gtk2_ardour/editor.cc:4106
#34 0x00007ffff0d808d3 in Gtk::Widget_Class::key_press_event_callback(_GtkWidget*, _GdkEventKey*) () from /opt/Ardour-3.1.10-dbg/lib/libgtkmm-2.4.so.1
#35 0x00007ffff32b2390 in _gtk_marshal_BOOLEAN__BOXED () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#36 0x00007ffff41abd87 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#37 0x00007ffff41ab69e in g_closure_invoke () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#38 0x00007ffff41c8107 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#39 0x00007ffff41c72b6 in g_signal_emit_valist () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#40 0x00007ffff41c7777 in g_signal_emit () from /opt/Ardour-3.1.10-dbg/lib/libgobject-2.0.so.0
#41 0x00007ffff34390f8 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#42 0x00007ffff3438c18 in gtk_widget_event () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#43 0x00007ffff32b08b2 in gtk_propagate_event () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#44 0x00007ffff32af332 in gtk_main_do_event () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#45 0x00007ffff2ec0e8a in ?? () from /opt/Ardour-3.1.10-dbg/lib/libgdk-x11-2.0.so.0
#46 0x00007ffff3ca0ee1 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#47 0x00007ffff3ca1b8b in g_main_context_dispatch () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#48 0x00007ffff3ca1d75 in ?? () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#49 0x00007ffff3ca21ab in g_main_loop_run () from /opt/Ardour-3.1.10-dbg/lib/libglib-2.0.so.0
#50 0x00007ffff32ae8b4 in gtk_main () from /opt/Ardour-3.1.10-dbg/lib/libgtk-x11-2.0.so.0
#51 0x00007ffff6128840 in Gtkmm2ext::UI::run (this=0x1cdb500, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:270
#52 0x0000000001057848 in main (argc=1, argv=0x7fffffffd278) at ../gtk2_ardour/main.cc:525
(gdb)