Program terminated with signal 11, Segmentation fault.
#0  0x0000000000ecda34 in ControlPoint::get_x (this=0x0) at ../gtk2_ardour/control_point.h:61
61		double get_x() const { return _x; }
(gdb) thread apply all bt

Thread 20 (Thread 0x7fa8a920c700 (LWP 1980)):
#0  0x00007fa8b9e1bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8be46d09f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8c0452b4d in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:81
#3  0x00007fa8c0452935 in analyser_work () at ../libs/ardour/analyser.cc:46
#4  0x0000000001365e23 in sigc::pointer_functor0<void>::operator() (this=0x35bd938) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#5  0x00000000013635c2 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x35bd930)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x000000000136000f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x35bd900)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fa84eb66700 (LWP 2010)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa84eb65bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa84eb65c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa84eb65bf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 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  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa84eb65bf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61d70) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fa8aaa0f700 (LWP 1977)):
#0  0x00007fa8b9b0f83d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
---Type <return> to continue, or q <return> to quit---
#1  0x00007fa8b9b3d774 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00000000015ab102 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:363
#3  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fa8aa20e700 (LWP 1978)):
#0  0x00007fa8b9e1bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8be46d09f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8c0842926 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x0000000001365e23 in sigc::pointer_functor0<void>::operator() (this=0x35be388) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000013635c2 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x35be380)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x000000000136000f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x35be350)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fa84abe7700 (LWP 2008)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa84abe6bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa84abe6c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa84abe6bf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 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  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa84abe6bf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61d70) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
---Type <return> to continue, or q <return> to quit---
#12 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fa868096700 (LWP 2007)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa868095bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa868095c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa868095bf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 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  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa868095bf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61d70) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fa8a9a0d700 (LWP 1979)):
#0  0x00007fa8b9e1bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8be46d09f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8c0842926 in peak_thread_work () at ../libs/ardour/source_factory.cc:68
#3  0x0000000001365e23 in sigc::pointer_functor0<void>::operator() (this=0x35bd8e8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x00000000013635c2 in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x35bd8e0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x000000000136000f in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x35bd8b0)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#7  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fa8980b6700 (LWP 2004)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf39b in ARDOUR::Graph::main_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:449
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa8980b5bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa8980b5c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa8980b5bf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 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  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa8980b5bf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61880) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fa898ff9700 (LWP 2017)):
#0  0x00007fa8b9e1f52d in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8be454c62 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8c049c3ba in ARDOUR::AudioEngine::meter_thread (this=0x3a4b320) at ../libs/ardour/audioengine.cc:764
#3  0x00007fa8c04aeabb in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x8e7ced0, p=0x3a4b320)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007fa8c04ae50e in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x8e7cee0, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007fa8c04ad9fb in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x8e7ced0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007fa8c04acd0e 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=0x8e7ced0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007fa8c04ab5b6 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=0x8e7cea0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fa8a02ae700 (LWP 2002)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fa8b9e1ed2d in read () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8baea7bf4 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fa8baeab043 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fa8baeaad64 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fa8baea57cc in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fa8a032f700 (LWP 2001)):
#0  0x00007fa8b9e1bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8baea6c75 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fa8baea2e2f in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fa8baea57cc in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fa8ab867700 (LWP 1971)):
#0  0x00007fa8b9b38303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fa8be42fd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8be4301e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa8b65fc4a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fa84ebe7700 (LWP 2009)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa84ebe6bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa84ebe6c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::oper---Type <return> to continue, or q <return> to quit---
ator() (this=0x7fa84ebe6bf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 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  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa84ebe6bf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61d70) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fa898137700 (LWP 2003)):
#0  0x00007fa8b9e1e0c1 in sem_timedwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8baea65d9 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007fa8bae89f5e in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007fa8bae8ead8 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007fa8bae8862a in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#5  0x00007fa8bae884ee in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#6  0x00007fa8bae863e0 in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#7  0x00007fa8bae81dce in jack_cycle_wait () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#8  0x00007fa8c049b2f4 in ARDOUR::AudioEngine::process_thread (this=0x3a4b320) at ../libs/ardour/audioengine.cc:446
#9  0x00007fa8c049ab06 in ARDOUR::AudioEngine::_process_thread (arg=0x3a4b320) at ../libs/ardour/audioengine.cc:337
#10 0x00007fa8bae863ad in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#11 0x00007fa8baea57cc in ?? () from /usr/lib/x86_64-linux-gnu/libjack.so.0
#12 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fa8800bf700 (LWP 2005)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514a0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05bee2d in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:380
#3  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#4  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa8800bebf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa8800bec08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa8800bebf8) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007fa8c05c3906 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_b---Type <return> to continue, or q <return> to quit---
i::list1<boost::_bi::value<ARDOUR::Graph*> > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:153
#8  0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa8800bebf0) at /usr/include/boost/function/function_template.hpp:760
#9  0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61880) at ../libs/ardour/audioengine.cc:1572
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fa8997fa700 (LWP 2012)):
#0  0x00007fa8b9b38303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fa8be42fd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8be4301e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa8bf048570 in BaseUI::main_thread (this=0x5468470) at ../libs/pbd/base_ui.cc:80
#4  0x00007fa8bf04bcf2 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x5468bd8)
    at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007fa8bf04ba32 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x5468bd0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007fa8bf04b3fb in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x5468ba0)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#8  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fa868117700 (LWP 2006)):
#0  0x00007fa8b9e1dfd0 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa8c05c084e in PBD::ProcessSemaphore::wait (this=0x4d514c0) at /home/rschneid/src/ardour/3.0/libs/pbd/pbd/semutils.h:41
#2  0x00007fa8c05be3a5 in ARDOUR::Graph::restart_cycle (this=0x4d513e0) at ../libs/ardour/graph.cc:254
#3  0x00007fa8c05be36f in ARDOUR::Graph::dec_ref (this=0x4d513e0) at ../libs/ardour/graph.cc:241
#4  0x00007fa8c05c4ac6 in ARDOUR::GraphNode::finish (this=0x5aa5e58, chain=0) at ../libs/ardour/graphnode.cc:71
#5  0x00007fa8c05bef92 in ARDOUR::Graph::run_one (this=0x4d513e0) at ../libs/ardour/graph.cc:394
#6  0x00007fa8c05bf16b in ARDOUR::Graph::helper_thread (this=0x4d513e0) at ../libs/ardour/graph.cc:411
#7  0x00007fa8c05c4437 in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fa868116bf8, p=0x4d513e0)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007fa8c05c407c in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0>
    (this=0x7fa868116c08, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007fa8c05c3d5b in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fa868116bf8) at /usr/include/boost/bind/bind_template.hpp:20
---Type <return> to continue, or q <return> to quit---
#10 0x00007fa8c05c3906 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 0x0000000000e01952 in boost::function0<void>::operator() (this=0x7fa868116bf0) at /usr/include/boost/function/function_template.hpp:760
#12 0x00007fa8c049f7fd in ARDOUR::AudioEngine::_start_process_thread (arg=0x4d61880) at ../libs/ardour/audioengine.cc:1572
#13 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa89affd700 (LWP 2022)):
#0  0x00007fa8b9b0f83d in nanosleep () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fa8b9b3d774 in usleep () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fa8c04e8619 in ARDOUR::AutomationWatch::thread (this=0x10a1b510) at ../libs/ardour/automation_watch.cc:135
#3  0x00007fa8c04ebcc3 in boost::_mfi::mf0<void, ARDOUR::AutomationWatch>::operator() (this=0x93a3f00, p=0x10a1b510)
    at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007fa8c04eb91e in boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list0> (this=0x93a3f10, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007fa8c04eb4c9 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AutomationWatch>, boost::_bi::list1<boost::_bi::value<ARDOUR::AutomationWatch*> > >::operator() (this=0x93a3f00) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007fa8c04eb454 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=0x93a3f00) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007fa8c04eafa4 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=0x93a3ed0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007fa8beb78d4d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#9  0x00007fa8be453645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa84eae4800 (LWP 2011)):
#0  0x00007fa8b9b38303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fa8c04fb85c in ARDOUR::Butler::thread_work (this=0x4d4faa0) at ../libs/ardour/butler.cc:150
#2  0x00007fa8c04fb7a9 in ARDOUR::Butler::_thread_work (arg=0x4d4faa0) at ../libs/ardour/butler.cc:134
#3  0x00007fa8bf06fd3a in fake_thread_start (arg=0x54682b0) at ../libs/pbd/pthread_utils.cc:80
#4  0x00007fa8b9e17e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fa8b9b43cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa8c11719c0 (LWP 1968)):
---Type <return> to continue, or q <return> to quit---
#0  0x0000000000ecda34 in ControlPoint::get_x (this=0x0) at ../gtk2_ardour/control_point.h:61
#1  0x0000000000ec9d00 in AutomationLine::ContiguousControlPoints::compute_x_bounds (this=0x11b39bd0) at ../gtk2_ardour/automation_line.cc:520
#2  0x0000000000eca2b2 in AutomationLine::drag_motion (this=0x11542510, x=65.544612225838108, fraction=0.22047244, ignore_x=false, with_push=false, 
    final_index=@0x1167a334: 0) at ../gtk2_ardour/automation_line.cc:624
#3  0x0000000000fed043 in ControlPointDrag::motion (this=0x1167a2a0, event=0x10c6c070) at ../gtk2_ardour/editor_drag.cc:2944
#4  0x0000000000fdf685 in Drag::motion_handler (this=0x1167a2a0, event=0x10c6c070, from_autoscroll=false) at ../gtk2_ardour/editor_drag.cc:340
#5  0x0000000000fded36 in DragManager::motion_handler (this=0x455d150, e=0x10c6c070, from_autoscroll=false) at ../gtk2_ardour/editor_drag.cc:169
#6  0x000000000102d324 in Editor::motion_handler (this=0x4534780, event=0x10c6c070, from_autoscroll=false) at ../gtk2_ardour/editor_mouse.cc:2275
#7  0x0000000000fd9e2f in Editor::typed_event (this=0x4534780, item=0x11b7f480, event=0x10c6c070, type=ControlPointItem)
    at ../gtk2_ardour/editor_canvas_events.cc:209
#8  0x0000000000fdac89 in Editor::canvas_control_point_event (this=0x4534780, event=0x10c6c070, item=0x11b7f480, cp=0x11bb96a0)
    at ../gtk2_ardour/editor_canvas_events.cc:620
#9  0x0000000000f2a526 in ControlPoint::event_handler (this=0x11bb96a0, event=0x10c6c070) at ../gtk2_ardour/control_point.cc:95
#10 0x0000000000f2bff4 in sigc::bound_mem_functor1<bool, ControlPoint, _GdkEvent*>::operator() (this=0x1157e2c8, _A_a1=@0x7fff0d755738: 0x10c6c070)
    at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1851
#11 0x0000000000f2bdf9 in sigc::adaptor_functor<sigc::bound_mem_functor1<bool, ControlPoint, _GdkEvent*> >::operator()<_GdkEvent* const&> (
    this=0x1157e2c0, _A_arg1=@0x7fff0d755738: 0x10c6c070) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84
#12 0x0000000000f2b8b4 in sigc::internal::slot_call1<sigc::bound_mem_functor1<bool, ControlPoint, _GdkEvent*>, bool, _GdkEvent*>::call_it (
    rep=0x1157e290, a_1=@0x7fff0d755738: 0x10c6c070) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:137
#13 0x00007fa8bba9df22 in ?? () from /usr/lib/libgnomecanvasmm-2.6.so.1
#14 0x00007fa8bb857c09 in gnome_canvas_marshal_BOOLEAN__BOXED () from /usr/lib/x86_64-linux-gnu/libgnomecanvas-2.so.0
#15 0x00007fa8be8f8140 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007fa8be909766 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#17 0x00007fa8be9110cb in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007fa8be911642 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007fa8bb85d42d in ?? () from /usr/lib/x86_64-linux-gnu/libgnomecanvas-2.so.0
#20 0x00007fa8bdede599 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#21 0x00007fa8be8f8140 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007fa8be9092d0 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007fa8be9110cb in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007fa8be911642 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007fa8bdff795e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#26 0x00007fa8bdedc934 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#27 0x00007fa8bdedcc8b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#28 0x00007fa8bdb4bd7c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#29 0x00007fa8be42fab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fa8be42fde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fa8be4301e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#32 0x00007fa8bdedbc77 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#33 0x00007fa8bf4342c6 in Gtkmm2ext::UI::run (this=0x333cee0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:270
#34 0x00000000011c93eb in main (argc=1, argv=0x7fff0d756628) at ../gtk2_ardour/main.cc:455
(gdb)