(gdb) thread apply all bt

Thread 30 (Thread 0x7fff8d2b3700 (LWP 5563)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ffff4e47cf5 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4ddc1c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4ddc74b in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4e2b966 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff1faa182 in start_thread (arg=0x7fff8d2b3700) at pthread_create.c:312
#7  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7fffd9e28700 (LWP 5561)):
#0  0x00007ffff1fb1b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4e2c4a8 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6fd34dc in ARDOUR::AutomationWatch::thread (this=0x8509b20) at ../libs/ardour/automation_watch.cc:139
#3  0x00007ffff6fd68c9 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x88132b0, p=0x8509b20) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6fd6536 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (
    this=0x88132c0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6fd60d1 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (
    this=0x88132b0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6fd6066 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=0x88132b0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6fd5bce 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=0x8813280) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1faa182 in start_thread (arg=0x7fffd9e28700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
---Type <return> to continue, or q <return> to quit---

Thread 27 (Thread 0x7fffacf74700 (LWP 5558)):
#0  0x00007ffff0d55c6d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4e05fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4e0630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5a69782 in BaseUI::main_thread (this=0x37f3d30) at ../libs/pbd/base_ui.cc:91
#4  0x00007ffff5a6d176 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x37f4518) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5a6ceb6 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x37f4510) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff5a6c891 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x37f44e0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1faa182 in start_thread (arg=0x7fffacf74700) at pthread_create.c:312
#10 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7fffac56c800 (LWP 5557)):
#0  0x00007ffff0d55c6d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff6fe6654 in ARDOUR::Butler::wait_for_requests (this=0x26ffe60) at ../libs/ardour/butler.cc:162
#2  0x00007ffff6fe6972 in ARDOUR::Butler::thread_work (this=0x26ffe60) at ../libs/ardour/butler.cc:223
#3  0x00007ffff6fe65e9 in ARDOUR::Butler::_thread_work (arg=0x26ffe60) at ../libs/ardour/butler.cc:149
#4  0x00007ffff5a92c02 in fake_thread_start (arg=0x37f3b80) at ../libs/pbd/pthread_utils.cc:93
#5  0x00007ffff1faa182 in start_thread (arg=0x7fffac56c800) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7fff8d5d4700 (LWP 5556)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70b8978 in PBD::ProcessSemaphore::wait (this=0x32a44c0) at /home/papa/ardour/3.0.20141021/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70b7073 in ARDOUR::Graph::run_one (this=0x32a4410) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70b7396 in ARDOUR::Graph::helper_thread (this=0x32a4410) at ../libs/ardour/graph.cc:401
---Type <return> to continue, or q <return> to quit---
#4  0x00007ffff70bbc01 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8d5d3c28, p=0x32a4410) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70bb842 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8d5d3c38, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70bb565 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8d5d3c28)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70bb0b7 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  0x0000000000ef8796 in boost::function0<void>::operator() (this=0x7fff8d5d3c20) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe0e5e099 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x32a4d70) at ../libs/backends/jack/jack_audiobackend.cc:895
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8d5d4700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7fff8d655700 (LWP 5555)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70b8978 in PBD::ProcessSemaphore::wait (this=0x32a44c0) at /home/papa/ardour/3.0.20141021/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70b7073 in ARDOUR::Graph::run_one (this=0x32a4410) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70b7396 in ARDOUR::Graph::helper_thread (this=0x32a4410) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70bbc01 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8d654c28, p=0x32a4410) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70bb842 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8d654c38, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70bb565 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8d654c28)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70bb0b7 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  0x0000000000ef8796 in boost::function0<void>::operator() (this=0x7fff8d654c20) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe0e5e099 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x32a4d70) at ../libs/backends/jack/jack_audiobackend.cc:895
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8d655700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
---Type <return> to continue, or q <return> to quit---

Thread 23 (Thread 0x7fff8d6d6700 (LWP 5554)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70b8978 in PBD::ProcessSemaphore::wait (this=0x32a44c0) at /home/papa/ardour/3.0.20141021/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70b7073 in ARDOUR::Graph::run_one (this=0x32a4410) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70b7396 in ARDOUR::Graph::helper_thread (this=0x32a4410) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70bbc01 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8d6d5c28, p=0x32a4410) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70bb842 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8d6d5c38, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70bb565 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8d6d5c28)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70bb0b7 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  0x0000000000ef8796 in boost::function0<void>::operator() (this=0x7fff8d6d5c20) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe0e5e099 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x32a4d70) at ../libs/backends/jack/jack_audiobackend.cc:895
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8d6d6700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7fff8d757700 (LWP 5553)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70b8978 in PBD::ProcessSemaphore::wait (this=0x32a44c0) at /home/papa/ardour/3.0.20141021/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70b7073 in ARDOUR::Graph::run_one (this=0x32a4410) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70b7396 in ARDOUR::Graph::helper_thread (this=0x32a4410) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70bbc01 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8d756c28, p=0x32a4410) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70bb842 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8d756c38, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70bb565 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8d756c28)
    at /usr/include/boost/bind/bind_template.hpp:20
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff70bb0b7 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  0x0000000000ef8796 in boost::function0<void>::operator() (this=0x7fff8d756c20) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe0e5e099 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x32a4d70) at ../libs/backends/jack/jack_audiobackend.cc:895
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8d757700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7fff8d7d8700 (LWP 5552)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70b8978 in PBD::ProcessSemaphore::wait (this=0x32a44e0) at /home/papa/ardour/3.0.20141021/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70b66ec in ARDOUR::Graph::restart_cycle (this=0x32a4410) at ../libs/ardour/graph.cc:244
#3  0x00007ffff70b66b9 in ARDOUR::Graph::dec_ref (this=0x32a4410) at ../libs/ardour/graph.cc:231
#4  0x00007ffff70bc24e in ARDOUR::GraphNode::finish (this=0x3947f88, chain=1) at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff70b71be in ARDOUR::Graph::run_one (this=0x32a4410) at ../libs/ardour/graph.cc:384
#6  0x00007ffff70b75c0 in ARDOUR::Graph::main_thread (this=0x32a4410) at ../libs/ardour/graph.cc:439
#7  0x00007ffff70bbc01 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8d7d7c28, p=0x32a4410) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff70bb842 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8d7d7c38, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff70bb565 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8d7d7c28)
    at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff70bb0b7 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 0x0000000000ef8796 in boost::function0<void>::operator() (this=0x7fff8d7d7c20) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffe0e5e099 in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x25482e0) at ../libs/backends/jack/jack_audiobackend.cc:895
#13 0x00007ffff1faa182 in start_thread (arg=0x7fff8d7d8700) at pthread_create.c:312
#14 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7fffd9627700 (LWP 5547)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007ffff1fb1b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4e2c4a8 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6f86d92 in ARDOUR::AudioEngine::meter_thread (this=0x2151e60) at ../libs/ardour/audioengine.cc:551
#3  0x00007ffff6f926e9 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x290a9e0, p=0x2151e60) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f9232a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x290a9f0, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f91c93 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (
    this=0x290a9e0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f9146a 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=0x290a9e0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6f9068a 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=0x290a9b0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1faa182 in start_thread (arg=0x7fffd9627700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7fffac386700 (LWP 5546)):
#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
#1  0x00007fffe09ab94c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe098ffec in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe098e937 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe0e5e138 in ARDOUR::JACKAudioBackend::process_thread (this=0x2636910) at ../libs/backends/jack/jack_audiobackend.cc:917
#5  0x00007fffe0e5e0e8 in ARDOUR::JACKAudioBackend::_process_thread (arg=0x2636910) at ../libs/backends/jack/jack_audiobackend.cc:903
#6  0x00007fffe098e8aa in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffe09aab70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007ffff1faa182 in start_thread (arg=0x7fffac386700) at pthread_create.c:312
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
---Type <return> to continue, or q <return> to quit---

Thread 17 (Thread 0x7fffac407700 (LWP 5545)):
#0  0x00007ffff1fb13bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fffe09ac784 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe09af13c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe09aab70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1faa182 in start_thread (arg=0x7fffac407700) at pthread_create.c:312
#5  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7fffd8168700 (LWP 5533)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffe09abf7c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe09a2cb8 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe09aab70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1faa182 in start_thread (arg=0x7fffd8168700) at pthread_create.c:312
#5  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fffda629700 (LWP 5521)):
#0  0x00007ffff0d55c6d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4e05fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4e060ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4e06129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1faa182 in start_thread (arg=0x7fffda629700) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fffdae2a700 (LWP 5520)):
#0  0x00007ffff0d55c6d in poll () at ../sysdeps/unix/syscall-template.S:81
---Type <return> to continue, or q <return> to quit---
#1  0x00007ffff4e05fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4e0630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffedbd9e16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1faa182 in start_thread (arg=0x7fffdae2a700) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fffe188e700 (LWP 5519)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff4e47c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6f86993 in ARDOUR::AudioEngine::do_devicelist_update (this=0x2151e60) at ../libs/ardour/audioengine.cc:480
#3  0x00007ffff6f926e9 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x2163850, p=0x2151e60) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f9232a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x2163860, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f91c93 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (
    this=0x2163850) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f9146a 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=0x2163850) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6f9068a 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=0x2163820) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1faa182 in start_thread (arg=0x7fffe188e700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fffe208f700 (LWP 5518)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff4e47c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#2  0x00007ffff6f8679b in ARDOUR::AudioEngine::do_reset_backend (this=0x2151e60) at ../libs/ardour/audioengine.cc:445
#3  0x00007ffff6f926e9 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x2163800, p=0x2151e60) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f9232a in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x2163810, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f91c93 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (
    this=0x2163800) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f9146a 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=0x2163800) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6f9068a 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=0x21637d0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1faa182 in start_thread (arg=0x7fffe208f700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fffe3148700 (LWP 5517)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff4e47c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6f3aa1a in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007ffff6f3a80f in analyser_work () at ../libs/ardour/analyser.cc:46





#4  0x00000000014c3639 in sigc::pointer_functor0<void>::operator() (this=0x211b978) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x00000000014c0b90 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x211b970) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00000000014bd8b7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x211b940) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1faa182 in start_thread (arg=0x7fffe3148700) at pthread_create.c:312
#10 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

---Type <return> to continue, or q <return> to quit---
Thread 4 (Thread 0x7fffe3949700 (LWP 5515)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff4e47c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0

#2  0x00007ffff736484a in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014c3639 in sigc::pointer_functor0<void>::operator() (this=0x21292d8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014c0b90 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x21292d0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014bd8b7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x21292a0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1

#7  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1faa182 in start_thread (arg=0x7fffe3949700) at pthread_create.c:312
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fffe414a700 (LWP 5514)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff4e47c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff736484a in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014c3639 in sigc::pointer_functor0<void>::operator() (this=0x211b3f8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014c0b90 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x211b3f0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014bd8b7 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x211b3c0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff535811d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff4e2af15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1faa182 in start_thread (arg=0x7fffe414a700) at pthread_create.c:312
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fffe494b700 (LWP 5513)):
#0  0x00007ffff1fb1b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4e2c4a8 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000000001789976 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:381
---Type <return> to continue, or q <return> to quit---
#3  0x00007ffff1faa182 in start_thread (arg=0x7fffe494b700) at pthread_create.c:312
#4  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffff7f87a00 (LWP 5509)):
#0  0x00007ffff0c9ebb9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff0ca1fc8 in __GI_abort () at abort.c:89
#2  0x00007ffff0c97a76 in __assert_fail_base (fmt=0x7ffff0de9370 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x179bb44 "px != 0", 
    file=file@entry=0x179bb18 "/usr/include/boost/smart_ptr/shared_ptr.hpp", line=line@entry=653, 
    function=function@entry=0x179bea0 <boost::shared_ptr<ARDOUR::AudioRegion>::operator->() const::__PRETTY_FUNCTION__> "typename boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->() const [with T = ARDOUR::AudioRegion; typename boost::detail::sp_member_access<T>::type = ARDOUR::AudioRegion*]") at assert.c:92


#3  0x00007ffff0c97b22 in __GI___assert_fail (assertion=0x179bb44 "px != 0", file=0x179bb18 "/usr/include/boost/smart_ptr/shared_ptr.hpp", line=653, 
    function=0x179bea0 <boost::shared_ptr<ARDOUR::AudioRegion>::operator->() const::__PRETTY_FUNCTION__> "typename boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->() const [with T = ARDOUR::AudioRegion; typename boost::detail::sp_member_access<T>::type = ARDOUR::AudioRegion*]") at assert.c:101

#4  0x0000000000eebe83 in boost::shared_ptr<ARDOUR::AudioRegion>::operator-> (this=0x7fffffffbc20) at /usr/include/boost/smart_ptr/shared_ptr.hpp:653
#5  0x0000000001038e72 in Editor::popup_xfade_in_context_menu (this=0x3c30640, button=1, time=607868404, item=0x8cc3810) at ../gtk2_ardour/editor.cc:1492

#6  0x0000000001122998 in Editor::button_release_handler (this=0x3c30640, item=0x8cc3810, event=0x7fffffffc150, item_type=LeftFrameHandle) at ../gtk2_ardour/editor_mouse.cc:1449
#7  0x00000000010cfaad in Editor::canvas_frame_handle_event (this=0x3c30640, event=0x7fffffffc150, item=0x8cc3810, rv=0x2733940) at ../gtk2_ardour/editor_canvas_events.cc:828
#8  0x0000000000fb55ae in sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, ArdourCanvas::Item*, RegionView*>::operator() (this=0x8121700, 
    _A_a1=@0x7fffffffc040: 0x7fffffffc150, _A_a2=@0x7fffffffbe08: 0x8cc3810, _A_a3=@0x8121728: 0x2733940) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1985
#9  0x000000000155c2f3 in sigc::adaptor_functor<sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, ArdourCanvas::Item*, RegionView*> >::operator()<_GdkEvent* const&, ArdourCanvas::Rectangle*&, RegionView*&> (this=0x81216f8, _A_arg1=@0x7fffffffc040: 0x7fffffffc150, _A_arg2=@0x8121720: 0x8cc3810, _A_arg3=@0x8121728: 0x2733940)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:123
#10 0x000000000155bd1a in sigc::bind_functor<-1, sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, ArdourCanvas::Item*, RegionView*>, ArdourCanvas::Rectangle*, RegionView*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator()<_GdkEvent* const&> (this=0x81216f0, _A_arg1=@0x7fffffffc040: 0x7fffffffc150)
    at /usr/include/sigc++-2.0/sigc++/adaptors/bind.h:1336
#11 0x000000000155b6a0 in sigc::internal::slot_call1<sigc::bind_functor<-1, sigc::bound_mem_functor3<bool, PublicEditor, _GdkEvent*, ArdourCanvas::Item*, RegionView*>, ArdourCanvas::Rectangle*, RegionView*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, bool, _GdkEvent*>::call_it (rep=0x81216c0, a_1=@0x7fffffffc040: 0x7fffffffc150)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:137
---Type <return> to continue, or q <return> to quit---
#12 0x00007ffff791b8d9 in sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::operator() (this=0x7fffffffbf40, _A_slot=...)
    at /usr/include/sigc++-2.0/sigc++/signal.h:834
#13 0x00007ffff791b503 in sigc::internal::slot_iterator_buf<sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >, bool>::operator* (
    this=0x7fffffffbee0) at /usr/include/sigc++-2.0/sigc++/signal.h:306
#14 0x00007ffff791af29 in ArdourCanvas::Item::EventAccumulator<bool>::operator()<sigc::internal::slot_iterator_buf<sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >, bool> > (this=0x7fffffffbf2f, first=..., last=...) at /home/papa/ardour/3.0.20141021/libs/canvas/canvas/item.h:212
#15 0x00007ffff791a642 in sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::emit (impl=0x7cb6580, _A_a1=@0x7fffffffc040: 0x7fffffffc150)
    at /usr/include/sigc++-2.0/sigc++/signal.h:854
#16 0x00007ffff7919415 in sigc::signal1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::emit (this=0x8cc3870, _A_a1=@0x7fffffffc040: 0x7fffffffc150)
    at /usr/include/sigc++-2.0/sigc++/signal.h:2781
#17 0x00007ffff7917a27 in sigc::signal1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::operator() (this=0x8cc3870, _A_a1=@0x7fffffffc040: 0x7fffffffc150)
    at /usr/include/sigc++-2.0/sigc++/signal.h:2789
#18 0x00007ffff7913d27 in ArdourCanvas::GtkCanvas::deliver_event (this=0x39a7378, event=0x7fffffffc150) at ../libs/canvas/canvas.cc:660
#19 0x00007ffff7914bd1 in ArdourCanvas::GtkCanvas::on_button_release_event (this=0x39a7378, ev=0x2833590) at ../libs/canvas/canvas.cc:822
#20 0x00007ffff33b2994 in Gtk::Widget_Class::button_release_event_callback(_GtkWidget*, _GdkEventButton*) () from /usr/lib/x86_64-linux-gnu/libgtkmm-2.4.so.1
#21 0x00007ffff46a9815 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#22 0x00007ffff50d53b8 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff50e6afb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007ffff50ee6f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007ffff50eece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007ffff47b9724 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#27 0x00007ffff46a7fc4 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#28 0x00007ffff46a837b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#29 0x00007ffff43231ec in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#30 0x00007ffff4e05e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff4e06048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007ffff4e0630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007ffff46a7447 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#34 0x00007ffff5e75f32 in Gtkmm2ext::UI::run (this=0x22e3d60, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:278
#35 0x00000000012d395b in main (argc=1, argv=0x7fffffffca78) at ../gtk2_ardour/main.cc:284
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