Program received signal SIGSEGV, Segmentation fault.
0x000000000111e8d4 in gnome_canvas_waveview_render (item=0x25ee4d0, buf=0x7fffffffc4a0) at ../gtk2_ardour/canvas-waveview.c:1246
1246				prev_pymax = (int) rint ((item->y1 + origin - MIN(waveview->cache->data[cache_index].max, 1.0) * half_height) * item->canvas->pixels_per_unit);
(gdb) thread apply all bt

Thread 24 (Thread 0x7fffe0023700 (LWP 2963)):
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007fffc0681e7a in Convlevel::main() () from /usr/lib/libzita-convolver.so.2
#2  0x00007fffc0681ea9 in Convlevel::static_main(void*) () from /usr/lib/libzita-convolver.so.2
#3  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#4  0x00007fffec7e192d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7fffe0034700 (LWP 2962)):
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007fffc0681e7a in Convlevel::main() () from /usr/lib/libzita-convolver.so.2
#2  0x00007fffc0681ea9 in Convlevel::static_main(void*) () from /usr/lib/libzita-convolver.so.2
#3  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#4  0x00007fffec7e192d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7fffc067d820 (LWP 2961)):
#0  0x00007fffeca8d36d in nanosleep () from /lib/libpthread.so.0
#1  0x00007ffff26fd4d8 in g_usleep () from /lib/libglib-2.0.so.0
#2  0x00007ffff625a7a4 in ARDOUR::AudioEngine::meter_thread (this=0x2614bd0) at ../libs/ardour/audioengine.cc:691
#3  0x00007ffff627bd51 in boost::_mfi::mf0<void, ARDOUR::AudioEngine>::operator() (this=0x7fffd57ab0f0, p=0x2614bd0) at /usr/include/boost/bind/mem_fn_template.hpp:49
#4  0x00007ffff62770da in boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> >::operator()<boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list0> (this=0x7fffd57ab100, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#5  0x00007ffff6272a3d in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::AudioEngine>, boost::_bi::list1<boost::_bi::value<ARDOUR::AudioEngine*> > >::operator() (this=0x7fffd57ab0f0) at /usr/include/boost/bind/bind_template.hpp:20
#6  0x00007ffff626d980 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=0x7fffd57ab0f0)
    at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#7  0x00007ffff62692a8 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=0x7fffd57ab0c0)
    at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#8  0x00007ffff18633f2 in ?? () from /usr/lib/libglibmm-2.4.so.1
#9  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#11 0x00007fffec7e192d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7fffe0ac7700 (LWP 2959)):
#0  0x00007fffec7d5203 in poll () from /lib/libc.so.6
#1  0x00007ffff26d5009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007ffff26d57b5 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x00007ffff76d433d in BaseUI::main_thread (this=0x7fffd42617a0) at ../libs/pbd/base_ui.cc:77
#4  0x00007ffff76d57f3 in sigc::bound_mem_functor0<void, BaseUI>::operator() (this=0x7fffd43b9178) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#5  0x00007ffff76d564e in sigc::adaptor_functor<sigc::bound_mem_functor0<void, BaseUI> >::operator() (this=0x7fffd43b9170) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#6  0x00007ffff76d53a7 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, BaseUI>, void>::call_it (rep=0x7fffd43b9140) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#7  0x00007ffff18633f2 in ?? () from /usr/lib/libglibmm-2.4.so.1
#8  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#9  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#10 0x00007fffec7e192d in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fffc0d0d820 (LWP 2958)):
#0  0x00007fffec7d5203 in poll () from /lib/libc.so.6
#1  0x00007ffff62df98c in ARDOUR::Butler::thread_work (this=0x7fffd4062b70) at ../libs/ardour/butler.cc:159
#2  0x00007ffff62df91f in ARDOUR::Butler::_thread_work (arg=0x7fffd4062b70) at ../libs/ardour/butler.cc:140
#3  0x00007ffff770ab3a in fake_thread_start (arg=0x7fffd46c3830) at ../libs/pbd/pthread_utils.cc:81
#4  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#5  0x00007fffec7e192d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fffc0d8f700 (LWP 2957)):
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007ffff63d90a2 in PBD::ProcessSemaphore::wait (this=0x7fffd402fde8) at ../libs/pbd/pbd/semutils.h:41
#2  0x00007ffff63d6409 in ARDOUR::Graph::restart_cycle (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:257
#3  0x00007ffff63d63d3 in ARDOUR::Graph::dec_ref (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:244
#4  0x00007ffff63ddeb2 in ARDOUR::GraphNode::finish (this=0x7fffd4ab0590, chain=1) at ../libs/ardour/graphnode.cc:61
#5  0x00007ffff63d74c6 in ARDOUR::Graph::run_one (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:407
#6  0x00007ffff63d76cd in ARDOUR::Graph::helper_thread (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:443
#7  0x00007ffff63dd26f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffc0d8ec18, p=0x7fffd402fd00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#8  0x00007ffff63dcc58 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffc0d8ec28, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#9  0x00007ffff63dc833 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffc0d8ec18) at /usr/include/boost/bind/bind_template.hpp:20
#10 0x00007ffff63dc392 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 0x0000000000ff8173 in boost::function0<void>::operator() (this=0x7fffc0d8ec10) at /usr/include/boost/function/function_template.hpp:1013
#12 0x00007ffff625da21 in ARDOUR::AudioEngine::_start_process_thread (arg=0x7fffd402ffb0) at ../libs/ardour/audioengine.cc:1500
#13 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#14 0x00007fffec7e192d in clone () from /lib/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fffd80c1700 (LWP 2956)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007ffff63d90a2 in PBD::ProcessSemaphore::wait (this=0x7fffd402fdc8) at ../libs/pbd/pbd/semutils.h:41
#2  0x00007ffff63d72ee in ARDOUR::Graph::run_one (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:393
#3  0x00007ffff63d76cd in ARDOUR::Graph::helper_thread (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:443
#4  0x00007ffff63dd26f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffd80c0c18, p=0x7fffd402fd00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff63dcc58 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffd80c0c28, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff63dc833 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffd80c0c18) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff63dc392 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  0x0000000000ff8173 in boost::function0<void>::operator() (this=0x7fffd80c0c10) at /usr/include/boost/function/function_template.hpp:1013
#9  0x00007ffff625da21 in ARDOUR::AudioEngine::_start_process_thread (arg=0x7fffd402ffb0) at ../libs/ardour/audioengine.cc:1500
#10 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#11 0x00007fffec7e192d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fffd8142700 (LWP 2955)):
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007ffff63d90a2 in PBD::ProcessSemaphore::wait (this=0x7fffd402fdc8) at ../libs/pbd/pbd/semutils.h:41
#2  0x00007ffff63d72ee in ARDOUR::Graph::run_one (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:393
#3  0x00007ffff63d76cd in ARDOUR::Graph::helper_thread (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:443
#4  0x00007ffff63dd26f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffd8141c18, p=0x7fffd402fd00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff63dcc58 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffd8141c28, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff63dc833 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffd8141c18) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff63dc392 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  0x0000000000ff8173 in boost::function0<void>::operator() (this=0x7fffd8141c10) at /usr/include/boost/function/function_template.hpp:1013
#9  0x00007ffff625da21 in ARDOUR::AudioEngine::_start_process_thread (arg=0x7fffd402ffb0) at ../libs/ardour/audioengine.cc:1500
#10 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#11 0x00007fffec7e192d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fffe00bc700 (LWP 2954)):
#0  0x00007fffeca8bda0 in sem_wait () from /lib/libpthread.so.0
#1  0x00007ffff63d90a2 in PBD::ProcessSemaphore::wait (this=0x7fffd402fdc8) at ../libs/pbd/pbd/semutils.h:41
#2  0x00007ffff63d72ee in ARDOUR::Graph::run_one (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:393
#3  0x00007ffff63d79c9 in ARDOUR::Graph::main_thread (this=0x7fffd402fd00) at ../libs/ardour/graph.cc:479
#4  0x00007ffff63dd26f in boost::_mfi::mf0<void, ARDOUR::Graph>::operator() (this=0x7fffe00bbc18, p=0x7fffd402fd00) at /usr/include/boost/bind/mem_fn_template.hpp:49
#5  0x00007ffff63dcc58 in boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> >::operator()<boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list0> (this=0x7fffe00bbc28, f=..., a=...) at /usr/include/boost/bind/bind.hpp:253
#6  0x00007ffff63dc833 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, ARDOUR::Graph>, boost::_bi::list1<boost::_bi::value<ARDOUR::Graph*> > >::operator() (this=0x7fffe00bbc18) at /usr/include/boost/bind/bind_template.hpp:20
#7  0x00007ffff63dc392 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  0x0000000000ff8173 in boost::function0<void>::operator() (this=0x7fffe00bbc10) at /usr/include/boost/function/function_template.hpp:1013
#9  0x00007ffff625da21 in ARDOUR::AudioEngine::_start_process_thread (arg=0x7fffd402ffb0) at ../libs/ardour/audioengine.cc:1500
#10 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#11 0x00007fffec7e192d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fffe013d700 (LWP 2953)):
#0  0x00007fffeca8be87 in sem_timedwait () from /lib/libpthread.so.0
#1  0x00007ffff29a45ce in Jack::JackPosixSemaphore::TimedWait(long) () from /usr/lib/libjack.so.0
#2  0x00007ffff298e637 in Jack::JackConnectionManager::SuspendRefNum(Jack::JackClientControl*, Jack::JackPosixSemaphore*, Jack::JackClientTiming*, long) () from /usr/lib/libjack.so.0
#3  0x00007ffff299303e in Jack::JackGraphManager::SuspendRefNum(Jack::JackClientControl*, Jack::JackPosixSemaphore*, long) () from /usr/lib/libjack.so.0
#4  0x00007ffff298cbfc in Jack::JackClient::WaitSync() () from /usr/lib/libjack.so.0
#5  0x00007ffff298cabe in Jack::JackClient::CycleWaitAux() () from /usr/lib/libjack.so.0
#6  0x00007ffff298a846 in Jack::JackClient::CycleWait() () from /usr/lib/libjack.so.0
#7  0x00007ffff29862ae in jack_cycle_wait () from /usr/lib/libjack.so.0
#8  0x00007ffff62599dc in ARDOUR::AudioEngine::process_thread (this=0x2614bd0) at ../libs/ardour/audioengine.cc:437
#9  0x00007ffff6259606 in ARDOUR::AudioEngine::_process_thread (arg=0x2614bd0) at ../libs/ardour/audioengine.cc:352
#10 0x00007ffff298a819 in Jack::JackClient::Execute() () from /usr/lib/libjack.so.0
#11 0x00007ffff29a37e8 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#12 0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#13 0x00007fffec7e192d in clone () from /lib/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fffe02c6700 (LWP 2952)):
#0  0x00007fffeca8cb8d in read () from /lib/libpthread.so.0
#1  0x00007ffff29a5d9d in Jack::JackClientSocket::Read(void*, int) () from /usr/lib/libjack.so.0
#2  0x00007ffff29ae95c in Jack::JackClientNotification::Read(Jack::JackClientSocket*) () from /usr/lib/libjack.so.0
#3  0x00007ffff29aabb0 in Jack::JackSocketClientChannel::Execute() () from /usr/lib/libjack.so.0
#4  0x00007ffff29a37e8 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#5  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#6  0x00007fffec7e192d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7ffff7e91700 (LWP 2951)):
#0  0x00007fffeca89a9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff29a54d3 in Jack::JackProcessSync::Wait() () from /usr/lib/libjack.so.0
---Type <return> to continue, or q <return> to quit---
#2  0x00007ffff299ed39 in Jack::JackMessageBuffer::Execute() () from /usr/lib/libjack.so.0
#3  0x00007ffff29a37e8 in Jack::JackPosixThread::ThreadHandler(void*) () from /usr/lib/libjack.so.0
#4  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#5  0x00007fffec7e192d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fffd3fff700 (LWP 2948)):
#0  0x00007fffeca89e09 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff13dc3c2 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00007ffff26a90f1 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007ffff26a9237 in g_async_queue_timed_pop () from /lib/libglib-2.0.so.0
#4  0x00007ffff26fc6a8 in ?? () from /lib/libglib-2.0.so.0
#5  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#6  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#7  0x00007fffec7e192d in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffe2b11700 (LWP 2943)):
#0  0x00007fffeca89a9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff61e24eb in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:85
#2  0x00007ffff61e2219 in analyser_work () at ../libs/ardour/analyser.cc:49
#3  0x000000000160c5bf in sigc::pointer_functor0<void>::operator() (this=0x7fffdc004008) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#4  0x0000000001609dce in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x7fffdc004000) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#5  0x0000000001606d13 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x7fffdc003fd0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#6  0x00007ffff18633f2 in ?? () from /usr/lib/libglibmm-2.4.so.1
#7  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#8  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#9  0x00007fffec7e192d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fffe3312700 (LWP 2942)):
#0  0x00007fffeca89a9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff66ed48f in peak_thread_work () at ../libs/ardour/source_factory.cc:73
#2  0x000000000160c5bf in sigc::pointer_functor0<void>::operator() (this=0x242a6e8) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#3  0x0000000001609dce in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x242a6e0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#4  0x0000000001606d13 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x242a6b0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#5  0x00007ffff18633f2 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#7  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#8  0x00007fffec7e192d in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffe3b13700 (LWP 2941)):
#0  0x00007fffeca89a9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff66ed48f in peak_thread_work () at ../libs/ardour/source_factory.cc:73
#2  0x000000000160c5bf in sigc::pointer_functor0<void>::operator() (this=0x2403208) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77
#3  0x0000000001609dce in sigc::adaptor_functor<sigc::pointer_functor0<void> >::operator() (this=0x2403200) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#4  0x0000000001606d13 in sigc::internal::slot_call0<sigc::pointer_functor0<void>, void>::call_it (rep=0x24031d0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#5  0x00007ffff18633f2 in ?? () from /usr/lib/libglibmm-2.4.so.1
#6  0x00007ffff26fa7e4 in ?? () from /lib/libglib-2.0.so.0
#7  0x00007fffeca85971 in start_thread () from /lib/libpthread.so.0
#8  0x00007fffec7e192d in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fa9960 (LWP 2940)):
#0  0x000000000111e8d4 in gnome_canvas_waveview_render (item=0x25ee4d0, buf=0x7fffffffc4a0) at ../gtk2_ardour/canvas-waveview.c:1246
#1  0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#2  0x00007ffff4de0124 in gnome_canvas_group_render (item=0x7fffbc19a550, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#3  0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#4  0x00007ffff4de0124 in gnome_canvas_group_render (item=0x7fffd6179ca0, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#5  0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#6  0x00007ffff4de0124 in gnome_canvas_group_render (item=0x7fffdc1b7c80, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#7  0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#8  0x00007ffff4de0124 in gnome_canvas_group_render (item=0x25b0740, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#9  0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#10 0x00007ffff4de0124 in gnome_canvas_group_render (item=0x25b06d0, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#11 0x00007fffed66b9e0 in Gnome::Canvas::Item_Class::render_vfunc_callback(_GnomeCanvasItem*, GnomeCanvasBuf*) () from /usr/lib/libgnomecanvasmm-2.6.so.1
#12 0x00007ffff4de0124 in gnome_canvas_group_render (item=0x261ac10, buf=0x7fffffffc4a0) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:1826
#13 0x00007ffff4de3237 in gnome_canvas_paint_rect (canvas=0x27a15c0, x0=0, y0=0, x1=1317, y1=915) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:2983
#14 0x00007ffff4de3676 in gnome_canvas_expose (widget=0x27a15c0, event=0x7fffffffca50) at ../libs/gnomecanvas/libgnomecanvas/gnome-canvas.c:3072
#15 0x00007ffff0cee9d8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x00007ffff15eda6e in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#17 0x00007ffff1603a30 in ?? () from /usr/lib/libgobject-2.0.so.0
#18 0x00007ffff16050eb in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#19 0x00007ffff1605863 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#20 0x00007ffff0e076df in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007ffff0ce80d1 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#22 0x00007ffff09489da in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#23 0x00007ffff0948987 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#24 0x00007ffff0948987 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#25 0x00007ffff0948987 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#26 0x00007ffff094546b in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#27 0x00007ffff09472e1 in gdk_window_process_all_updates () from /usr/lib/libgdk-x11-2.0.so.0
#28 0x00007ffff0947349 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#29 0x00007ffff0922626 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#30 0x00007ffff26d1342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x00007ffff26d52a8 in ?? () from /lib/libglib-2.0.so.0
#32 0x00007ffff26d545c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x00007ffff0ce8291 in gtk_main_iteration () from /usr/lib/libgtk-x11-2.0.so.0
#34 0x000000000121fc4d in Editor::set_horizontal_position (this=0x277faa0, p=115338.31093938803) at ../gtk2_ardour/editor_canvas.cc:759
#35 0x000000000118c53b in Editor::idle_visual_changer (this=0x277faa0) at ../gtk2_ardour/editor.cc:4366
#36 0x000000000118c3e8 in Editor::_idle_visual_changer (arg=0x277faa0) at ../gtk2_ardour/editor.cc:4334
#37 0x00007ffff26d1342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x00007ffff26d52a8 in ?? () from /lib/libglib-2.0.so.0
#39 0x00007ffff26d545c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x00007ffff0ce8291 in gtk_main_iteration () from /usr/lib/libgtk-x11-2.0.so.0
#41 0x00007ffff518f7d8 in Gtkmm2ext::UI::flush_pending (this=0x21fac40) at ../libs/gtkmm2ext/gtk_ui.cc:678
#42 0x000000000100b366 in ARDOUR_UI::goto_editor_window (this=0x21fac40) at ../gtk2_ardour/ardour_ui_dependents.cc:100
#43 0x0000000000faf132 in ARDOUR_UI::load_session (this=0x21fac40, path=..., snap_name=..., mix_template=...) at ../gtk2_ardour/ardour_ui.cc:2817
#44 0x0000000000fae27f in ARDOUR_UI::get_session_parameters (this=0x21fac40, quit_on_cancel=true, should_be_new=false, load_template=...) at ../gtk2_ardour/ardour_ui.cc:2670
#45 0x0000000000fa43ef in ARDOUR_UI::startup (this=0x21fac40) at ../gtk2_ardour/ardour_ui.cc:698
#46 0x0000000000fd954f in sigc::bound_mem_functor0<void, ARDOUR_UI>::operator() (this=0x241b7a8) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#47 0x0000000000fd2740 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, ARDOUR_UI> >::operator() (this=0x241b7a0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#48 0x0000000000fcc97f in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, ARDOUR_UI>, void>::call_it (rep=0x241b770) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#49 0x0000000000fb4fcd in sigc::internal::signal_emit0<void, sigc::nil>::emit (impl=0x23ec970) at /usr/include/sigc++-2.0/sigc++/signal.h:776
#50 0x0000000000fbe7f2 in sigc::signal0<void, sigc::nil>::emit (this=0x21fad00) at /usr/include/sigc++-2.0/sigc++/signal.h:2671
#51 0x0000000000fba012 in sigc::signal0<void, sigc::nil>::operator() (this=0x21fad00) at /usr/include/sigc++-2.0/sigc++/signal.h:2679
#52 0x00007ffff518db4d in Gtkmm2ext::UI::run (this=0x21fac40, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:266
#53 0x000000000144fc23 in main (argc=1, argv=0x7fffffffdb28) at ../gtk2_ardour/main.cc:557

