Thread 36 (Thread 0x7fff798df700 (LWP 4710)):
#0  0x00007ffff0a6f8dd in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff0aa1524 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff72ec4c9 in ARDOUR::AutomationWatch::thread (this=0x132058e0) at ../libs/ardour/automation_watch.cc:137
#3  0x00007ffff72efb9d in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x13205b20, p=0x132058e0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72ef7f8 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (
    this=0x13205b30, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff72ef3a3 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator()
    (this=0x13205b20) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72ef32e 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=0x13205b20) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72eee7e 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=0x13205af0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 35 (Thread 0x7fffa37fe700 (LWP 4709)):
#0  0x00007ffff0a9bfbd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4fe71dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fe76ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5e2fac0 in BaseUI::main_thread (this=0x8b81498) at ../libs/pbd/base_ui.cc:80
#4  0x00007ffff5e33242 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x8b82cc8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5e32f82 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x8b82cc0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff5e3294b in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x8b82c90) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 34 (Thread 0x7fffb0ddc700 (LWP 4708)):
#0  0x00007ffff1cf905e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff5026935 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fbcb81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4fbd1ca in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff500b6b2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 29 (Thread 0x7fffa2ffd700 (LWP 4699)):
#0  0x00007ffff0a9bfbd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4fe71dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fe76ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5e2fac0 in BaseUI::main_thread (this=0x833bc60) at ../libs/pbd/base_ui.cc:80
#4  0x00007ffff5e33242 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x833c2d8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5e32f82 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x833c2d0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff5e3294b in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x833c2a0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 28 (Thread 0x7fff79959800 (LWP 4698)):
#0  0x00007ffff0a9bfbd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff72ffc30 in ARDOUR::Butler::thread_work (this=0x2531270) at ../libs/ardour/butler.cc:150
#2  0x00007ffff72ffb7d in ARDOUR::Butler::_thread_work (arg=0x2531270) at ../libs/ardour/butler.cc:134
#3  0x00007ffff5e57bee in fake_thread_start (arg=0x833baa0) at ../libs/pbd/pthread_utils.cc:85
#4  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 27 (Thread 0x7fff799db700 (LWP 4697)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff799dabb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff799dabc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fff799dabb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fff799dabb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28f1540) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 26 (Thread 0x7fff79a5c700 (LWP 4696)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff79a5bbb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff79a5bbc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fff79a5bbb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fff79a5bbb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 25 (Thread 0x7fff79add700 (LWP 4695)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286c0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6045 in ARDOUR::Graph::restart_cycle (this=0x41285f0) at ../libs/ardour/graph.cc:245
#3  0x00007ffff73c600f in ARDOUR::Graph::dec_ref (this=0x41285f0) at ../libs/ardour/graph.cc:232
#4  0x00007ffff73cbf4e in ARDOUR::GraphNode::finish (this=0x883c0b8, chain=1) at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff73c6c32 in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:385
#6  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#7  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff79adcbb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff79adcbc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fff79adcbb8) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff73cae7e 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
#11 0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fff79adcbb0) at /usr/include/boost/function/function_template.hpp:760
#12 0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#13 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 24 (Thread 0x7fff71add700 (LWP 4694)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff71adcbb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff71adcbc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fff71adcbb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fff71adcbb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7fff79b5e700 (LWP 4693)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff79b5dbb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff79b5dbc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fff79b5dbb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fff79b5dbb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7fffa00e3700 (LWP 4692)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c6e0b in ARDOUR::Graph::helper_thread (this=0x41285f0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa00e2bb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa00e2bc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffa00e2bb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fffa00e2bb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7fffa0164700 (LWP 4691)):
#0  0x00007ffff1cfaf80 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff73c8472 in PBD::ProcessSemaphore::wait (this=0x41286a0) at /home/rschneid/src/ardour/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73c6acd in ARDOUR::Graph::run_one (this=0x41285f0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73c703b in ARDOUR::Graph::main_thread (this=0x41285f0) at ../libs/ardour/graph.cc:440
#4  0x00007ffff73cb8eb in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffa0163bb8, p=0x41285f0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cb544 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffa0163bc8, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cb26f in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (
    this=0x7fffa0163bb8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cae7e 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
#8  0x0000000000ed6c18 in boost::function0<void>::operator() (this=0x7fffa0163bb0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fffe09f9971 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x4128320) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7fffb1dde700 (LWP 4690)):
#0  0x00007ffff1cfc43d in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff500c4f2 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff72a6100 in ARDOUR::AudioEngine::meter_thread (this=0x227e300) at ../libs/ardour/audioengine.cc:382
#3  0x00007ffff72b1339 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x28fe740, p=0x227e300) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72b0f44 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (
    this=0x28fe750, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff72b0875 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (
    this=0x28fe740) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72b0038 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=0x28fe740) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72af170 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=0x28fe710) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7fffb0354700 (LWP 4689)):
#0  0x00007ffff1cfb071 in sem_timedwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffe075c871 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe0740125 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe0744cdc in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe073e7ba in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fffe073e67e in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fffe073c434 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffe0737dbe in jack_cycle_wait () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007fffe09f9a12 in ARDOUR::JACKAudioBackend::process_thread (this=0x24dd8e0) at ../libs/backends/jack/jack_audiobackend.cc:925
#9  0x00007fffe09f99c2 in ARDOUR::JACKAudioBackend::_process_thread (arg=0x24dd8e0) at ../libs/backends/jack/jack_audiobackend.cc:911
#10 0x00007fffe073c401 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007fffe075ba40 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#12 0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7fffb03d5700 (LWP 4688)):
#0  0x00007ffff1cfbcbd in read () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffe075de5a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe0761423 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe076113c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe075ba40 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7fffd9957700 (LWP 4687)):
#0  0x00007ffff1cf8ca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fffe075cf08 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe075909f in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe075ba40 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7fffb15dd700 (LWP 4682)):
#0  0x00007ffff0a9bfbd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4fe71dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fe7304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4fe7361 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7fffdaa80700 (LWP 4672)):
#0  0x00007ffff0a9bfbd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4fe71dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fe76ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffed2a74f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fffe1ac5700 (LWP 4671)):
#0  0x00007ffff1cf8ca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff502683f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff725b6f5 in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007ffff725b4dd in analyser_work () at ../libs/ardour/analyser.cc:46
#4  0x00000000014a7663 in sigc::pointer_functor0<void>::operator() (this=0x20ff4e8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x00000000014a4d0c in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x20ff4e0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00000000014a168b in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x20ff4b0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fffdbfff700 (LWP 4670)):
#0  0x00007ffff1cf8ca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff502683f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff766704a in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014a7663 in sigc::pointer_functor0<void>::operator() (this=0x213cfc8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014a4d0c in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x213cfc0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014a168b in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x213cf90) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fffe22c6700 (LWP 4669)):
#0  0x00007ffff1cf8ca4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff502683f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff766704a in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014a7663 in sigc::pointer_functor0<void>::operator() (this=0x2138ab8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014a4d0c in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2138ab0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014a168b in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x2138a80) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff572faed in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff500aeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fffe2ac7700 (LWP 4668)):
#0  0x00007ffff0a6f8dd in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff0aa1524 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x000000000175ce06 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:380
#3  0x00007ffff1cf4f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007ffff0aa8a0d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7ffff7f94a00 (LWP 4664)):
#0  0x00007ffff09e5037 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff09e8698 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff09dde03 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff09ddeb2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff73d46bf in boost::shared_ptr<MIDI::Name::Control const>::operator-> (this=0x7fffffffa020) at /usr/include/boost/smart_ptr/shared_ptr.hpp:424
#5  0x00007ffff73d20d8 in ARDOUR::InstrumentInfo::get_controller_name (this=0x88a2f18, param=...) at ../libs/ardour/instrument_info.cc:134
#6  0x00007ffff747d09a in ARDOUR::MidiTrack::describe_parameter (this=0x88a2620, param=...) at ../libs/ardour/midi_track.cc:601
#7  0x000000000132f721 in MidiTimeAxisView::create_automation_child (this=0x13637a40, param=..., show=false) at ../gtk2_ardour/midi_time_axis.cc:1173
#8  0x0000000001328c2b in MidiTimeAxisView::set_route (this=0x13637a40, rt=...) at ../gtk2_ardour/midi_time_axis.cc:346
#9  0x000000000104204d in Editor::add_routes (this=0x3867860, routes=...) at ../gtk2_ardour/editor.cc:4854
#10 0x0000000001174a5d in EditorRoutes::initial_display (this=0x38f1a90) at ../gtk2_ardour/editor_routes.cc:1378
#11 0x000000000116c764 in EditorRoutes::set_session (this=0x38f1a90, s=0x2f0f820) at ../gtk2_ardour/editor_routes.cc:353
#12 0x0000000001027e32 in Editor::set_session (this=0x3867860, t=0x2f0f820) at ../gtk2_ardour/editor.cc:1194
#13 0x0000000000f2bf7b in ARDOUR_UI::connect_dependents_to_session (this=0x2281020, s=0x2f0f820) at ../gtk2_ardour/ardour_ui_dependents.cc:70
#14 0x0000000000f2d967 in ARDOUR_UI::set_session (this=0x2281020, s=0x2f0f820) at ../gtk2_ardour/ardour_ui_dialogs.cc:167
#15 0x0000000000eee80d in ARDOUR_UI::load_session (this=0x2281020, path=..., snap_name=..., mix_template=...) at ../gtk2_ardour/ardour_ui.cc:2891
#16 0x0000000000eedbeb in ARDOUR_UI::get_session_parameters (this=0x2281020, quit_on_cancel=false, should_be_new=false, load_template=...) at ../gtk2_ardour/ardour_ui.cc:2738
#17 0x0000000000ee3dc9 in ARDOUR_UI::starting (this=0x2281020) at ../gtk2_ardour/ardour_ui.cc:824
#18 0x00007ffff6227961 in Gtkmm2ext::UI::run (this=0x2281020, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:268
#19 0x00000000012c2757 in main (argc=2, argv=0x7fffffffd658) at ../gtk2_ardour/main.cc:519


