Program received signal SIGABRT, Aborted.
0x00007ffff0c9ebb9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.


(gdb)  thread apply all bt

Thread 29 (Thread 0x7fffd9d74700 (LWP 12910)):
#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  0x00007ffff6fd8d0e in ARDOUR::AutomationWatch::thread (this=0x7deaa60) at ../libs/ardour/automation_watch.cc:139
#3  0x00007ffff6fdc0fb in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x836f600, p=0x7deaa60)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6fdbd68 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x836f610, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6fdb903 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x836f600) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6fdb898 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=0x836f600)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6fdb400 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=0x836f5d0)
    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=0x7fffd9d74700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7fff976cd700 (LWP 12909)):
#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=0x3829600) at ../libs/pbd/base_ui.cc:91
#4  0x00007ffff5a6d176 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x3829d98)
    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=0x3829d90)
    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=0x3829d60) 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
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff1faa182 in start_thread (arg=0x7fff976cd700) at pthread_create.c:312
#10 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (Thread 0x7fff8e1c6800 (LWP 12908)):
#0  0x00007ffff0d55c6d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff6febe86 in ARDOUR::Butler::wait_for_requests (this=0x280f240) at ../libs/ardour/butler.cc:162
#2  0x00007ffff6fec1a4 in ARDOUR::Butler::thread_work (this=0x280f240) at ../libs/ardour/butler.cc:223
#3  0x00007ffff6febe1b in ARDOUR::Butler::_thread_work (arg=0x280f240) at ../libs/ardour/butler.cc:149
#4  0x00007ffff5a92c02 in fake_thread_start (arg=0x3829450) at ../libs/pbd/pthread_utils.cc:93
#5  0x00007ffff1faa182 in start_thread (arg=0x7fff8e1c6800) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7fff8e248700 (LWP 12907)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70be16c in PBD::ProcessSemaphore::wait (this=0x31ce9d0)
    at /home/papa/ardour/3.20141028/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70bc867 in ARDOUR::Graph::run_one (this=0x31ce920) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70bcb8a in ARDOUR::Graph::helper_thread (this=0x31ce920) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70c13f5 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e247c28, p=0x31ce920)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70c1036 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e247c38, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70c0d59 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e247c28) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70c08ab 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  0x0000000000ee9dd4 in boost::function0<void>::operator() (this=0x7fff8e247c20)
    at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe166014d in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28c3a70)
    at ../libs/backends/jack/jack_audiobackend.cc:902
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8e248700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7fff8e2c9700 (LWP 12906)):
---Type <return> to continue, or q <return> to quit---
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70be16c in PBD::ProcessSemaphore::wait (this=0x31ce9d0)
    at /home/papa/ardour/3.20141028/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70bc867 in ARDOUR::Graph::run_one (this=0x31ce920) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70bcb8a in ARDOUR::Graph::helper_thread (this=0x31ce920) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70c13f5 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e2c8c28, p=0x31ce920)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70c1036 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e2c8c38, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70c0d59 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e2c8c28) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70c08ab 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  0x0000000000ee9dd4 in boost::function0<void>::operator() (this=0x7fff8e2c8c20)
    at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe166014d in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28c3a70)
    at ../libs/backends/jack/jack_audiobackend.cc:902
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8e2c9700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7fff8e34a700 (LWP 12905)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70be16c in PBD::ProcessSemaphore::wait (this=0x31ce9d0)
    at /home/papa/ardour/3.20141028/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70bc867 in ARDOUR::Graph::run_one (this=0x31ce920) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70bcb8a in ARDOUR::Graph::helper_thread (this=0x31ce920) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70c13f5 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e349c28, p=0x31ce920)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70c1036 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e349c38, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70c0d59 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e349c28) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70c08ab 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=...)
---Type <return> to continue, or q <return> to quit---
    at /usr/include/boost/function/function_template.hpp:153
#8  0x0000000000ee9dd4 in boost::function0<void>::operator() (this=0x7fff8e349c20)
    at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe166014d in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28c3a70)
    at ../libs/backends/jack/jack_audiobackend.cc:902
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8e34a700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7fff8e3cb700 (LWP 12904)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70be16c in PBD::ProcessSemaphore::wait (this=0x31ce9d0)
    at /home/papa/ardour/3.20141028/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70bc867 in ARDOUR::Graph::run_one (this=0x31ce920) at ../libs/ardour/graph.cc:370
#3  0x00007ffff70bcb8a in ARDOUR::Graph::helper_thread (this=0x31ce920) at ../libs/ardour/graph.cc:401
#4  0x00007ffff70c13f5 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e3cac28, p=0x31ce920)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff70c1036 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e3cac38, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff70c0d59 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e3cac28) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff70c08ab 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  0x0000000000ee9dd4 in boost::function0<void>::operator() (this=0x7fff8e3cac20)
    at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe166014d in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28c3a70)
    at ../libs/backends/jack/jack_audiobackend.cc:902
#10 0x00007ffff1faa182 in start_thread (arg=0x7fff8e3cb700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7fff8e44c700 (LWP 12903)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff70be16c in PBD::ProcessSemaphore::wait (this=0x31ce9f0)
    at /home/papa/ardour/3.20141028/libs/pbd/pbd/semutils.h:56
#2  0x00007ffff70bbee0 in ARDOUR::Graph::restart_cycle (this=0x31ce920) at ../libs/ardour/graph.cc:244
---Type <return> to continue, or q <return> to quit---
#3  0x00007ffff70bbead in ARDOUR::Graph::dec_ref (this=0x31ce920) at ../libs/ardour/graph.cc:231
#4  0x00007ffff70c1a42 in ARDOUR::GraphNode::finish (this=0x378b078, chain=1) at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff70bc9b2 in ARDOUR::Graph::run_one (this=0x31ce920) at ../libs/ardour/graph.cc:384
#6  0x00007ffff70bcdb4 in ARDOUR::Graph::main_thread (this=0x31ce920) at ../libs/ardour/graph.cc:439
#7  0x00007ffff70c13f5 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff8e44bc28, p=0x31ce920)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff70c1036 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff8e44bc38, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff70c0d59 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff8e44bc28) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff70c08ab 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 0x0000000000ee9dd4 in boost::function0<void>::operator() (this=0x7fff8e44bc20)
    at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffe166014d in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x28c3a70)
    at ../libs/backends/jack/jack_audiobackend.cc:902
#13 0x00007ffff1faa182 in start_thread (arg=0x7fff8e44c700) at pthread_create.c:312
#14 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7fffd9573700 (LWP 12900)):
#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  0x00007ffff6f8c5ac in ARDOUR::AudioEngine::meter_thread (this=0x2118ef0) at ../libs/ardour/audioengine.cc:534
#3  0x00007ffff6f97f1b in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x28c39b0, p=0x2118ef0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f97b5c in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x28c39c0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f974c5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x28c39b0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f96c9c 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=0x28c39b0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6f95ebc 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=0x28c3980)
---Type <return> to continue, or q <return> to quit---
    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=0x7fffd9573700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7fff907a9700 (LWP 12899)):

#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
#1  0x00007fffe11ad94c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe1191fec in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe1190937 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe16601fc in ARDOUR::JACKAudioBackend::process_thread (this=0x263a910)
    at ../libs/backends/jack/jack_audiobackend.cc:931
#5  0x00007fffe166019c in ARDOUR::JACKAudioBackend::_process_thread (arg=0x263a910)
    at ../libs/backends/jack/jack_audiobackend.cc:910
#6  0x00007fffe11908aa in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fffe11acb70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007ffff1faa182 in start_thread (arg=0x7fff907a9700) at pthread_create.c:312
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7fffd80ae700 (LWP 12898)):
#0  0x00007ffff1fb13bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fffe11ae784 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe11b113c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe11acb70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1faa182 in start_thread (arg=0x7fffd80ae700) at pthread_create.c:312
#5  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7fffd812f700 (LWP 12897)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffe11adf7c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe11a4cb8 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe11acb70 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0

#4  0x00007ffff1faa182 in start_thread (arg=0x7fffd812f700) at pthread_create.c:312
#5  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
---Type <return> to continue, or q <return> to quit---

Thread 9 (Thread 0x7fffda575700 (LWP 12888)):
#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=0x7fffda575700) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fffdad76700 (LWP 12887)):
#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  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=0x7fffdad76700) at pthread_create.c:312
#6  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fffe2090700 (LWP 12886)):
#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  0x00007ffff6f8c1ad in ARDOUR::AudioEngine::do_devicelist_update (this=0x2118ef0) at ../libs/ardour/audioengine.cc:463
#3  0x00007ffff6f97f1b in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x23caca0, p=0x2118ef0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f97b5c in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x23cacb0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f974c5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x23caca0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f96c9c 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=0x23caca0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251

#7  0x00007ffff6f95ebc 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=0x23cac70)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
---Type <return> to continue, or q <return> to quit---
#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=0x7fffe2090700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fffe2891700 (LWP 12885)):
#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  0x00007ffff6f8bfb5 in ARDOUR::AudioEngine::do_reset_backend (this=0x2118ef0) at ../libs/ardour/audioengine.cc:428
#3  0x00007ffff6f97f1b in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x23c96a0, p=0x2118ef0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff6f97b5c in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x23c96b0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6f974c5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x23c96a0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff6f96c9c 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=0x23c96a0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff6f95ebc 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=0x23c9670)
    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=0x7fffe2891700) at pthread_create.c:312
#11 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fffe394a700 (LWP 12884)):
#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  0x00007ffff6f4049a in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007ffff6f4028f in analyser_work () at ../libs/ardour/analyser.cc:46





#4  0x00000000014b0041 in sigc::pointer_functor0<void>::operator() (this=0x2106668)
    at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x00000000014ad598 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2106660)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
---Type <return> to continue, or q <return> to quit---
#6  0x00000000014aa2bf in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x2106630)
    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=0x7fffe394a700) at pthread_create.c:312
#10 0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fffdbfff700 (LWP 12883)):
#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  0x00007ffff7367ba2 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014b0041 in sigc::pointer_functor0<void>::operator() (this=0x2114338)
    at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014ad598 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2114330)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014aa2bf in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x2114300)
    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=0x7fffdbfff700) at pthread_create.c:312
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fffe414b700 (LWP 12882)):

#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  0x00007ffff7367ba2 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x00000000014b0041 in sigc::pointer_functor0<void>::operator() (this=0x2106488)
    at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014ad598 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2106480)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014aa2bf in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x2106450)
    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=0x7fffe414b700) at pthread_create.c:312
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fffe494c700 (LWP 12881)):
#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  0x0000000001777030 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:381
#3  0x00007ffff1faa182 in start_thread (arg=0x7fffe494c700) at pthread_create.c:312
#4  0x00007ffff0d62fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffff7f88a00 (LWP 12877)):
#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=0x7ffff73c6789 "beats >= 0", 
    file=file@entry=0x7ffff73c6760 "../libs/ardour/beats_frames_converter.cc", line=line@entry=40, 
    function=function@entry=0x7ffff73c67e0 <ARDOUR::BeatsFramesConverter::to(double) const::__PRETTY_FUNCTION__> "virtual ARDOUR::framepos_t ARDOUR::BeatsFramesConverter::to(double) const") at assert.c:92
#3  0x00007ffff0c97b22 in __GI___assert_fail (assertion=0x7ffff73c6789 "beats >= 0", 
    file=0x7ffff73c6760 "../libs/ardour/beats_frames_converter.cc", line=40, 
    function=0x7ffff73c67e0 <ARDOUR::BeatsFramesConverter::to(double) const::__PRETTY_FUNCTION__> "virtual ARDOUR::framepos_t ARDOUR::BeatsFramesConverter::to(double) const") at assert.c:101



#4  0x00007ffff6fdc238 in ARDOUR::BeatsFramesConverter::to (this=0x26c3770, beats=-11.795736961451247)
    at ../libs/ardour/beats_frames_converter.cc:40
#5  0x00000000012faba7 in MidiRegionView::source_beats_to_absolute_frames (this=0x26c3550, beats=-11.795736961451247)
    at ../gtk2_ardour/midi_region_view.cc:2504
#6  0x0000000001301de7 in MidiRegionView::source_beats_to_region_frames (this=0x26c3550, beats=-11.795736961451247)
    at ../gtk2_ardour/midi_region_view.h:271
#7  0x00000000012f60d7 in MidiRegionView::update_note (this=0x26c3550, ev=0x7861ec0, update_ghost_regions=false)
    at ../gtk2_ardour/midi_region_view.cc:1620
#8  0x00000000012ffac8 in MidiRegionView::update_ghost_note (this=0x26c3550, x=-127, y=39)
    at ../gtk2_ardour/midi_region_view.cc:3529
#9  0x00000000012ffccc in MidiRegionView::create_ghost_note (this=0x26c3550, x=27, y=331)
    at ../gtk2_ardour/midi_region_view.cc:3544
#10 0x00000000012f0d0d in MidiRegionView::button_release (this=0x26c3550, ev=0x7fffffffcd00)
    at ../gtk2_ardour/midi_region_view.cc:564
---Type <return> to continue, or q <return> to quit---
#11 0x00000000012f0236 in MidiRegionView::canvas_group_event (this=0x26c3550, ev=0x7fffffffcd00)
    at ../gtk2_ardour/midi_region_view.cc:359
#12 0x00000000016ab8de in sigc::bound_mem_functor1<bool, TimeAxisViewItem, _GdkEvent*>::operator() (this=0x26a8538, 
    _A_a1=@0x7fffffffcbf0: 0x7fffffffcd00) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1851
#13 0x00000000016ab3b1 in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, TimeAxisViewItem, _GdkEvent*> >::operator()<_GdkEvent* const&> (this=0x26a8530, _A_arg1=@0x7fffffffcbf0: 0x7fffffffcd00)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84
#14 0x00000000016aad74 in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, TimeAxisViewItem, _GdkEvent*>, bool, _GdkEvent*>::call_it (rep=0x26a8500, a_1=@0x7fffffffcbf0: 0x7fffffffcd00)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:137
#15 0x00007ffff791b95b in sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::operator() (this=0x7fffffffcaf0, _A_slot=...) at /usr/include/sigc++-2.0/sigc++/signal.h:834
#16 0x00007ffff791b585 in sigc::internal::slot_iterator_buf<sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >, bool>::operator* (this=0x7fffffffca90) at /usr/include/sigc++-2.0/sigc++/signal.h:306
#17 0x00007ffff791afab in ArdourCanvas::Item::EventAccumulator<bool>::operator()<sigc::internal::slot_iterator_buf<sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >, bool> > (this=0x7fffffffcadf, 
    first=..., last=...) at /home/papa/ardour/3.20141028/libs/canvas/canvas/item.h:212
#18 0x00007ffff791a6c4 in sigc::internal::signal_emit1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::emit (impl=0x2612520, _A_a1=@0x7fffffffcbf0: 0x7fffffffcd00) at /usr/include/sigc++-2.0/sigc++/signal.h:854
#19 0x00007ffff7919497 in sigc::signal1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::emit (
    this=0x86f7460, _A_a1=@0x7fffffffcbf0: 0x7fffffffcd00) at /usr/include/sigc++-2.0/sigc++/signal.h:2781
#20 0x00007ffff7917a37 in sigc::signal1<bool, _GdkEvent*, ArdourCanvas::Item::EventAccumulator<bool> >::operator() (
    this=0x86f7460, _A_a1=@0x7fffffffcbf0: 0x7fffffffcd00) at /usr/include/sigc++-2.0/sigc++/signal.h:2789
#21 0x00007ffff7913d65 in ArdourCanvas::GtkCanvas::deliver_event (this=0x3c28d98, event=0x7fffffffcd00)
    at ../libs/canvas/canvas.cc:660
#22 0x00007ffff7914ba5 in ArdourCanvas::GtkCanvas::on_button_release_event (this=0x3c28d98, ev=0x26da200)
    at ../libs/canvas/canvas.cc:862
#23 0x00007ffff33b2994 in Gtk::Widget_Class::button_release_event_callback(_GtkWidget*, _GdkEventButton*) ()
   from /usr/lib/x86_64-linux-gnu/libgtkmm-2.4.so.1
#24 0x00007ffff46a9815 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#25 0x00007ffff50d53b8 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007ffff50e6afb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#27 0x00007ffff50ee6f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#28 0x00007ffff50eece2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#29 0x00007ffff47b9724 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#30 0x00007ffff46a7fc4 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#31 0x00007ffff46a837b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#32 0x00007ffff43231ec in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#33 0x00007ffff4e05e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ffff4e06048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff4e0630a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff46a7447 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#37 0x00007ffff5e81df8 in Gtkmm2ext::UI::run (this=0x22cede0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:278
#38 0x00000000012c0063 in main (argc=1, argv=0x7fffffffd628) at ../gtk2_ardour/main.cc:284
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