Thread 28 (Thread 0x7fff7733b700 (LWP 17537)):
#0  0x00007ffff0a7085d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff0aa24e4 in usleep (useconds=<optimised out>) at ../sysdeps/unix/sysv/linux/usleep.c:32
#2  0x00007ffff72f10ed in ARDOUR::AutomationWatch::thread (this=0x1a36db10) at ../libs/ardour/automation_watch.cc:137
#3  0x00007ffff72f4805 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x1a5f6360, p=0x1a36db10) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72f4468 in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (
    this=0x1a5f6370, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff72f3fe5 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (
    this=0x1a5f6360) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72f3f70 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=0x1a5f6360) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72f3aa4 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=0x1a5f6330) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff7733b700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 27 (Thread 0x7fffcaad6700 (LWP 17536)):
#0  0x00007ffff0a9cf7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4fd86a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fd8b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5e2c4c2 in BaseUI::main_thread (this=0x829c300) at ../libs/pbd/base_ui.cc:80
#4  0x00007ffff5e2fcb8 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x829ca48) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff5e2f9f8 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x829ca40) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff5e2f3b5 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x829ca10) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1ceff6e in start_thread (arg=0x7fffcaad6700) at pthread_create.c:311
#10 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 26 (Thread 0x7fff9dece800 (LWP 17535)):
#0  0x00007ffff0a9cf7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff7304663 in ARDOUR::Butler::thread_work (this=0x25f05c0) at ../libs/ardour/butler.cc:150
#2  0x00007ffff73045b3 in ARDOUR::Butler::_thread_work (arg=0x25f05c0) at ../libs/ardour/butler.cc:134
#3  0x00007ffff5e544e2 in fake_thread_start (arg=0x829c130) at ../libs/pbd/pthread_utils.cc:85
#4  0x00007ffff1ceff6e in start_thread (arg=0x7fff9dece800) at pthread_create.c:311
#5  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 25 (Thread 0x7fff9df50700 (LWP 17534)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
---Type <return> to continue, or q <return> to quit---
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9df4fbb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9df4fbc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9df4fbb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9df4fbb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x45fd2e0) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9df50700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 24 (Thread 0x7fff9dfd1700 (LWP 17533)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9dfd0bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9dfd0bc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9dfd0bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9dfd0bb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2f1a410) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9dfd1700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 23 (Thread 0x7fff9e052700 (LWP 17532)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9e051bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9e051bc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9e051bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9e051bb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x45fd2e0) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9e052700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
---Type <return> to continue, or q <return> to quit---

Thread 22 (Thread 0x7fff9e0d3700 (LWP 17531)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9e0d2bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9e0d2bc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9e0d2bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9e0d2bb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2f1a410) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9e0d3700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 21 (Thread 0x7fff9e154700 (LWP 17530)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd470) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73ca6ec in ARDOUR::Graph::restart_cycle (this=0x45fd3a0) at ../libs/ardour/graph.cc:245
#3  0x00007ffff73ca6b9 in ARDOUR::Graph::dec_ref (this=0x45fd3a0) at ../libs/ardour/graph.cc:232
#4  0x00007ffff73d059c in ARDOUR::GraphNode::finish (this=0x8f2ddb8, chain=1) at ../libs/ardour/graphnode.cc:71
#5  0x00007ffff73cb29a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:385
#6  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#7  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9e153bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9e153bc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9e153bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff73cf3d3 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 0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9e153bb0) at /usr/include/boost/function/function_template.hpp:767
#12 0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x45fd2e0) at ../libs/backends/jack/jack_audiobackend.cc:903
#13 0x00007ffff1ceff6e in start_thread (arg=0x7fff9e154700) at pthread_create.c:311
#14 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 20 (Thread 0x7fff9e1d5700 (LWP 17529)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9e1d4bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9e1d4bc8, f=..., 
---Type <return> to continue, or q <return> to quit---
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9e1d4bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9e1d4bb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2f1a410) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9e1d5700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 19 (Thread 0x7fff9e256700 (LWP 17528)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb470 in ARDOUR::Graph::helper_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:402
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fff9e255bb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fff9e255bc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fff9e255bb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fff9e255bb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x45fd2e0) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fff9e256700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 18 (Thread 0x7fffc809d700 (LWP 17527)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
#1  0x00007ffff73ccad6 in PBD::ProcessSemaphore::wait (this=0x45fd450) at /home/pingu/src/ArdourGIT/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007ffff73cb13a in ARDOUR::Graph::run_one (this=0x45fd3a0) at ../libs/ardour/graph.cc:371
#3  0x00007ffff73cb69a in ARDOUR::Graph::main_thread (this=0x45fd3a0) at ../libs/ardour/graph.cc:440
#4  0x00007ffff73cff4f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc809cbb8, p=0x45fd3a0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff73cfb86 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc809cbc8, f=..., 
    a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff73cf895 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffc809cbb8)
    at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff73cf3d3 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  0x0000000000eb6936 in boost::function0<void>::operator() (this=0x7fffc809cbb0) at /usr/include/boost/function/function_template.hpp:767
#9  0x00007fffe195895f in ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x2f1a410) at ../libs/backends/jack/jack_audiobackend.cc:903
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fffc809d700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 17 (Thread 0x7fffcb2d7700 (LWP 17525)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007ffff1cf741d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4ffe698 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff72aae86 in ARDOUR::AudioEngine::meter_thread (this=0x20eea10) at ../libs/ardour/audioengine.cc:382
#3  0x00007ffff72b5ffb in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x2f1a390, p=0x20eea10) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff72b5c04 in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x2f1a3a0, 
    f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff72b5533 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (
    this=0x2f1a390) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff72b4ce2 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=0x2f1a390) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff72b3dea 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=0x2f1a360) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff1ceff6e in start_thread (arg=0x7fffcb2d7700) at pthread_create.c:311
#11 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 16 (Thread 0x7fffca0e6700 (LWP 17524)):
#0  ARDOUR::Session::get_transport_declick_required (this=0x7fffb7e87040) at ../libs/ardour/ardour/session.h:1028
#1  0x00007ffff760aee0 in ARDOUR::Session::no_roll (this=0x25ea150, nframes=1024) at ../libs/ardour/session_process.cc:109
#2  0x00007ffff760ae92 in ARDOUR::Session::fail_roll (this=0x25ea150, nframes=1024) at ../libs/ardour/session_process.cc:99
#3  0x00007ffff760e10b in ARDOUR::Session::process_without_events (this=0x25ea150, nframes=1024) at ../libs/ardour/session_process.cc:801
#4  0x00007ffff760be6c in ARDOUR::Session::process_with_events (this=0x25ea150, nframes=1024) at ../libs/ardour/session_process.cc:336
#5  0x00007ffff760ad90 in ARDOUR::Session::process (this=0x25ea150, nframes=1024) at ../libs/ardour/session_process.cc:75
#6  0x00007ffff72aab50 in ARDOUR::AudioEngine::process_callback (this=0x20eea10, nframes=1024) at ../libs/ardour/audioengine.cc:311
#7  0x00007fffe1958a18 in ARDOUR::JACKAudioBackend::process_thread (this=0x24c85b0) at ../libs/backends/jack/jack_audiobackend.cc:927
#8  0x00007fffe19589b0 in ARDOUR::JACKAudioBackend::_process_thread (arg=0x24c85b0) at ../libs/backends/jack/jack_audiobackend.cc:911
#9  0x00007fffe16c526b in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#10 0x00007fffe16e4858 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007ffff1ceff6e in start_thread (arg=0x7fffca0e6700) at pthread_create.c:311
#12 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 15 (Thread 0x7fffe04f2700 (LWP 17523)):
#0  0x00007ffff1cf6c9d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fffe16e6cf6 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe16ea287 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fffe16e9f9c in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fffe16e4858 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007ffff1ceff6e in start_thread (arg=0x7fffe04f2700) at pthread_create.c:311
#6  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 14 (Thread 0x7fffe0573700 (LWP 17522)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffe16e5d5a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fffe16e1f21 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
---Type <return> to continue, or q <return> to quit---
#3  0x00007fffe16e4858 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007ffff1ceff6e in start_thread (arg=0x7fffe0573700) at pthread_create.c:311
#5  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 11 (Thread 0x7fffcbad8700 (LWP 17519)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ffff5018705 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4faec51 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4faf1db in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4ffdb86 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff1ceff6e in start_thread (arg=0x7fffcbad8700) at pthread_create.c:311
#7  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7fffe1188700 (LWP 17518)):
#0  0x00007ffff0a9cf7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff4fd86a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff4fd87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff4fd87f9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1ceff6e in start_thread (arg=0x7fffe1188700) at pthread_create.c:311
#6  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fffe2a22700 (LWP 17513)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5018617 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff726067e in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007ffff7260467 in analyser_work () at ../libs/ardour/analyser.cc:46
#4  0x000000000147aec9 in sigc::pointer_functor0<void>::operator() (this=0x216e008) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x00000000014784ae in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x216e000) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00000000014750c3 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x216dfd0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff1ceff6e in start_thread (arg=0x7fffe2a22700) at pthread_create.c:311
#10 0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fffe3223700 (LWP 17512)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5018617 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7667c22 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x000000000147aec9 in sigc::pointer_functor0<void>::operator() (this=0x216df58) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014784ae in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x216df50) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014750c3 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x216df20) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#8  0x00007ffff1ceff6e in start_thread (arg=0x7fffe3223700) at pthread_create.c:311
#9  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fffe3a24700 (LWP 17511)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5018617 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7667c22 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x000000000147aec9 in sigc::pointer_functor0<void>::operator() (this=0x2144958) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000014784ae in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2144950) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x00000000014750c3 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x2144920) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff5727a1d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007ffff4ffd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff1ceff6e in start_thread (arg=0x7fffe3a24700) at pthread_create.c:311
#9  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fffe4225700 (LWP 17510)):
#0  0x00007ffff0a7085d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff0aa24e4 in usleep (useconds=<optimised out>) at ../sysdeps/unix/sysv/linux/usleep.c:32
#2  0x000000000172bf2b in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:380
#3  0x00007ffff1ceff6e in start_thread (arg=0x7fffe4225700) at pthread_create.c:311
#4  0x00007ffff0aa99cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffff7faaa00 (LWP 17506)):
#0  0x00007ffff09e5f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff09e95e8 in __GI_abort () at abort.c:90
#2  0x00007ffff09ded43 in __assert_fail_base (fmt=0x7ffff0b35f58 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", 
    assertion=assertion@entry=0x7ffff6570860 "i == _notes.end() || (*i)->time() >= t", file=file@entry=0x7ffff6570610 "../libs/evoral/src/Sequence.cpp", line=line@entry=1216, 
    function=function@entry=0x7ffff6571a40 <Evoral::Sequence<double>::note_lower_bound(double) const::__PRETTY_FUNCTION__> "typename Evoral::Sequence<Time>::Notes::const_iterator Evoral::Sequence<Time>::note_lower_bound(Time) const [with Time = double; typename Evoral::Sequence<Time>::Notes::const_iterator = std::_Rb_tree_"...) at assert.c:92
#3  0x00007ffff09dedf2 in __GI___assert_fail (assertion=0x7ffff6570860 "i == _notes.end() || (*i)->time() >= t", file=0x7ffff6570610 "../libs/evoral/src/Sequence.cpp", line=1216, 
    function=0x7ffff6571a40 <Evoral::Sequence<double>::note_lower_bound(double) const::__PRETTY_FUNCTION__> "typename Evoral::Sequence<Time>::Notes::const_iterator Evoral::Sequence<Time>::note_lower_bound(Time) const [with Time = double; typename Evoral::Sequence<Time>::Notes::const_iterator = std::_Rb_tree_"...) at assert.c:101
#4  0x00007ffff6557093 in Evoral::Sequence<double>::note_lower_bound (this=0x8a794b8, t=7.5) at ../libs/evoral/src/Sequence.cpp:1216
#5  0x00007ffff6558211 in Evoral::Sequence<double>::remove_note_unlocked (this=0x8a794b8, note=...) at ../libs/evoral/src/Sequence.cpp:739
#6  0x00007ffff743e6f6 in ARDOUR::MidiModel::NoteDiffCommand::operator() (this=0x1c2444b0) at ../libs/ardour/midi_model.cc:312
#7  0x00007ffff743d745 in ARDOUR::MidiModel::apply_command (this=0x8a79450, session=..., cmd=0x1c2444b0) at ../libs/ardour/midi_model.cc:100
#8  0x00000000012ce60a in MidiRegionView::apply_diff (this=0x1c87fac0, as_subcommand=false) at ../gtk2_ardour/midi_region_view.cc:1044
#9  0x00000000012d80ac in MidiRegionView::commit_resizing (this=0x1c87fac0, primary=0x1c882ef0, at_front=true, delta_x=7, relative=true) at ../gtk2_ardour/midi_region_view.cc:2705
#10 0x00000000010a0c08 in NoteResizeDrag::finished (this=0x1c34c760) at ../gtk2_ardour/editor_drag.cc:1588
#11 0x000000000109a4e2 in Drag::end_grab (this=0x1c34c760, event=0x1c8a72c0) at ../gtk2_ardour/editor_drag.cc:281
#12 0x0000000001099e9f in DragManager::end_grab (this=0x3d555b0, e=0x1c8a72c0) at ../gtk2_ardour/editor_drag.cc:146
#13 0x00000000010ea5aa in Editor::button_release_handler (this=0x3d27c90, item=0x1c882ee0, event=0x1c8a72c0, item_type=NoteItem) at ../gtk2_ardour/editor_mouse.cc:1466
#14 0x0000000001094b1f in Editor::typed_event (this=0x3d27c90, item=0x1c882ee0, event=0x1c8a72c0, type=NoteItem) at ../gtk2_ardour/editor_canvas_events.cc:207
#15 0x00000000010965a8 in Editor::canvas_note_event (this=0x3d27c90, event=0x1c8a72c0, item=0x1c882ee0) at ../gtk2_ardour/editor_canvas_events.cc:1000
#16 0x0000000000fc679a in Gnome::Canvas::CanvasNote::on_event (this=0x1c882ee0, ev=0x1c8a72c0) at ../gtk2_ardour/canvas-note.cc:47
---Type <return> to continue, or q <return> to quit---
#17 0x00007ffff29936e0 in Gnome::Canvas::Item_Class::event_callback(_GnomeCanvasItem*, _GdkEvent*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#18 0x00007ffff274fc09 in gnome_canvas_marshal_BOOLEAN__BOXED () from /usr/lib/x86_64-linux-gnu/libgnomecanvas-2.so.0
#19 0x00007ffff54a6188 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007ffff54b78db in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007ffff54bf4f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff54bfae2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff275542d in ?? () from /usr/lib/x86_64-linux-gnu/libgnomecanvas-2.so.0
#24 0x00007ffff2756384 in ?? () from /usr/lib/x86_64-linux-gnu/libgnomecanvas-2.so.0
#25 0x00007ffff4a81645 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#26 0x00007ffff54a6188 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#27 0x00007ffff54b78db in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#28 0x00007ffff54bf4f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#29 0x00007ffff54bfae2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#30 0x00007ffff4b915f4 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#31 0x00007ffff4a7fdf4 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#32 0x00007ffff4a801ab in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#33 0x00007ffff46fb27c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#34 0x00007ffff4fd83b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff4fd8708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff4fd8b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007ffff4a7f277 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#38 0x00007ffff621f6f8 in Gtkmm2ext::UI::run (this=0x2284e00, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:273
#39 0x000000000129a9a8 in main (argc=1, argv=0x7fffffffdde8) at ../gtk2_ardour/main.cc:519