(gdb) thread apply all bt Thread 21 (Thread 0x7f6e55beb700 (LWP 9264)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb48e202f in ArdourCanvas::WaveView::drawing_thread () at ../libs/canvas/wave_view.cc:1565 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 20 (Thread 0x7f6e62ffd700 (LWP 9244)): #0 0x00007f6eaf0c410f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f6e8769d693 in ?? () from /usr/lib/libjack.so.0 #2 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #3 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 19 (Thread 0x7f6e75556700 (LWP 9224)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6e84092121 in ?? () from /usr/lib/libpulse.so.0 #2 0x00007f6e840838f1 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #3 0x00007f6e84083f8e in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #4 0x00007f6e84084040 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #5 0x00007f6e84092069 in ?? () from /usr/lib/libpulse.so.0 #6 0x00007f6e765cfed8 in ?? () from /usr/lib/pulseaudio/libpulsecommon-9.0.so #7 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 18 (Thread 0x7f6e84f94700 (LWP 9220)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6eb217dfd6 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb217e362 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007f6eaabfa726 in ?? () from /usr/lib/libgio-2.0.so.0 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 17 (Thread 0x7f6e9f67b700 (LWP 9209)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb3e5c80f in peak_thread_work () at ../libs/ardour/source_factory.cc:71 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 16 (Thread 0x7f6e9fe7c700 (LWP 9208)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb3e5c80f in peak_thread_work () at ../libs/ardour/source_factory.cc:71 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 15 (Thread 0x7f6ea067d700 (LWP 9207)): #0 0x00007f6eaf0c779d in nanosleep () from /usr/lib/libpthread.so.0 #1 0x00007f6eb21a5998 in g_usleep () from /usr/lib/libglib-2.0.so.0 #2 0x0000000000cc4d70 in gui_event_loop (ptr=) at ../gtk2_ardour/linux_vst_gui_support.cc:475 #3 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #4 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 14 (Thread 0x7f6eb4ee41c0 (LWP 9192)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6eb217dfd6 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb217e362 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007f6eb1a1b347 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #4 0x00007f6eb4606936 in Gtkmm2ext::UI::run (this=this@entry=0x190b150, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:286 #5 0x000000000049a27f in main (argc=, argv=) at ../gtk2_ardour/main.cc:408 Thread 13 (Thread 0x7f6e9cbcf700 (LWP 9212)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb39ccc85 in ARDOUR::AudioEngine::do_devicelist_update (this=0x18ffd90) at ../libs/ardour/audioengine.cc:560 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 12 (Thread 0x7f6e86051700 (LWP 9219)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6eb217dfd6 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb217e0ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #3 0x00007f6eb217e131 in ?? () from /usr/lib/libglib-2.0.so.0 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 11 (Thread 0x7f6e575f1700 (LWP 9260)): #0 0x00007f6eaf0c410f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f6eb3d854b4 in ARDOUR::Session::auto_connect_thread_run (this=0x1c4d000) at ../libs/ardour/session.cc:7058 #2 0x00007f6eb3d855f9 in ARDOUR::Session::auto_connect_thread (arg=) at ../libs/ardour/session.cc:7012 #3 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #4 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 10 (Thread 0x7f6e637fe700 (LWP 9261)): #0 0x00007f6eaf0c779d in nanosleep () from /usr/lib/libpthread.so.0 #1 0x00007f6eb21a5998 in g_usleep () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb3a16c80 in ARDOUR::AutomationWatch::thread (this=0x13ff5f90) at ../libs/ardour/automation_watch.cc:153 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 9 (Thread 0x7f6e57df2700 (LWP 9259)): #0 0x00007f6eaf0c410f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f6eb3df4943 in ARDOUR::Session::emit_thread_run (this=0x1c4d000) at ../libs/ardour/session_process.cc:1316 #2 0x00007f6eb3df4969 in ARDOUR::Session::emit_thread (arg=) at ../libs/ardour/session_process.cc:1305 #3 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #4 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 8 (Thread 0x7f6e76ffd700 (LWP 9253)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6eb217dfd6 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb217e362 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007f6eb2d87274 in BaseUI::main_thread (this=0x3c2ea20) at ../libs/pbd/base_ui.cc:86 #4 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #5 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #6 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #7 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 7 (Thread 0x7f6e9d3d0700 (LWP 9211)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb39cdff6 in ARDOUR::AudioEngine::do_reset_backend (this=0x18ffd90) at ../libs/ardour/audioengine.cc:525 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 6 (Thread 0x7f6e779df800 (LWP 9252)): #0 0x00007f6ead86648d in poll () from /usr/lib/libc.so.6 #1 0x00007f6eb2d94f0f in poll (__timeout=-1, __nfds=1, __fds=0x7f6e779debf0) at /usr/include/bits/poll2.h:46 #2 CrossThreadChannel::poll_for_request (this=) at ../libs/pbd/crossthread.posix.cc:75 #3 0x00007f6eb2d94f8a in CrossThreadChannel::receive (this=this@entry=0x1cd8058, msg=@0x7f6e779decb0: -112 '\220', wait=wait@entry=true) at ../libs/pbd/crossthread.posix.cc:96 #4 0x00007f6eb3a2531d in ARDOUR::Butler::thread_work (this=this@entry=0x1cd7fc0) at ../libs/ardour/butler.cc:175 #5 0x00007f6eb3a25880 in ARDOUR::Butler::_thread_work (arg=0x1cd7fc0) at ../libs/ardour/butler.cc:156 #6 0x00007f6eb2db8676 in fake_thread_start (arg=0x3c2e7e0) at ../libs/pbd/pthread_utils.cc:101 #7 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 5 (Thread 0x7f6e77bdf700 (LWP 9251)): #0 0x00007f6eaf0c64f7 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0 #1 0x00007f6eaf0c65a4 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0 #2 0x00007f6eb3ae69e1 in PBD::Semaphore::wait (this=0x37056f8) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/libs/pbd/pbd/semutils.h:61 #3 ARDOUR::Graph::run_one (this=this@entry=0x3705620) at ../libs/ardour/graph.cc:387 #4 0x00007f6eb3ae6a88 in ARDOUR::Graph::helper_thread (this=0x3705620) at ../libs/ardour/graph.cc:418 #5 0x00007f6e878ce068 in boost::function0::operator() (this=0x7f6e77bded00) at /usr/include/boost/function/function_template.hpp:771 #6 ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x315e170) at ../libs/backends/jack/jack_audiobackend.cc:936 #7 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 4 (Thread 0x7f6e9ee7a700 (LWP 9210)): #0 0x00007f6ead86af19 in syscall () from /usr/lib/libc.so.6 #1 0x00007f6eb21c218f in g_cond_wait () from /usr/lib/libglib-2.0.so.0 #2 0x00007f6eb39778ff in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:87 #3 0x00007f6eb26e515d in ?? () from /usr/lib/libglibmm-2.4.so.1 #4 0x00007f6eb21a42b5 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 3 (Thread 0x7f6e77c60700 (LWP 9250)): #0 0x00007f6eaf0c64f7 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0 #1 0x00007f6eaf0c65a4 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0 #2 0x00007f6eb3ae69e1 in PBD::Semaphore::wait (this=0x37056f8) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/libs/pbd/pbd/semutils.h:61 #3 ARDOUR::Graph::run_one (this=this@entry=0x3705620) at ../libs/ardour/graph.cc:387 #4 0x00007f6eb3ae6a88 in ARDOUR::Graph::helper_thread (this=0x3705620) at ../libs/ardour/graph.cc:418 #5 0x00007f6e878ce068 in boost::function0::operator() (this=0x7f6e77c5fd00) at /usr/include/boost/function/function_template.hpp:771 #6 ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x315e210) at ../libs/backends/jack/jack_audiobackend.cc:936 #7 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7f6e77ce1700 (LWP 9249)): #0 0x00007f6eaf0c64f7 in do_futex_wait.constprop () from /usr/lib/libpthread.so.0 #1 0x00007f6eaf0c65a4 in __new_sem_wait_slow.constprop.0 () from /usr/lib/libpthread.so.0 #2 0x00007f6eb3ae7c65 in PBD::Semaphore::wait (this=0x3705718) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/libs/pbd/pbd/semutils.h:61 #3 ARDOUR::Graph::restart_cycle (this=0x3705620) at ../libs/ardour/graph.cc:261 #4 0x00007f6eb3ae7cb5 in ARDOUR::Graph::dec_ref (this=) at ../libs/ardour/graph.cc:248 #5 0x00007f6eb3aea057 in ARDOUR::GraphNode::finish (this=this@entry=0x42100d0, chain=) at ../libs/ardour/graphnode.cc:71 #6 0x00007f6eb3ae6a1d in ARDOUR::Graph::run_one (this=this@entry=0x3705620) at ../libs/ardour/graph.cc:401 #7 0x00007f6eb3ae7d31 in ARDOUR::Graph::main_thread (this=0x3705620) at ../libs/ardour/graph.cc:457 #8 0x00007f6e878ce068 in boost::function0::operator() (this=0x7f6e77ce0d00) at /usr/include/boost/function/function_template.hpp:771 #9 ARDOUR::JACKAudioBackend::_start_process_thread (arg=0x20639e0) at ../libs/backends/jack/jack_audiobackend.cc:936 #10 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7f6e77f53700 (LWP 9246)): #0 0x00007f6ead7ba04f in raise () from /usr/lib/libc.so.6 #1 0x00007f6ead7bb47a in abort () from /usr/lib/libc.so.6 #2 0x00007f6ead7f7c50 in __libc_message () from /usr/lib/libc.so.6 #3 0x00007f6ead7fdfe6 in malloc_printerr () from /usr/lib/libc.so.6 #4 0x00007f6ead800411 in _int_malloc () from /usr/lib/libc.so.6 #5 0x00007f6ead801d44 in malloc () from /usr/lib/libc.so.6 #6 0x00007f6eae2f9a48 in operator new (sz=sz@entry=24) at /build/gcc/src/gcc/libstdc++-v3/libsupc++/new_op.cc:50 #7 0x00007f6eb460e6b3 in __gnu_cxx::new_allocator >::allocate (this=0x14297250, __n=1) at /usr/include/c++/6.1.1/ext/new_allocator.h:104 #8 std::allocator_traits > >::allocate (__a=..., __n=1) at /usr/include/c++/6.1.1/bits/alloc_traits.h:416 #9 std::__cxx11::_List_base >::_M_get_node (this=0x14297250) at /usr/include/c++/6.1.1/bits/stl_list.h:383 #10 std::__cxx11::list >::_M_create_node(PBD::EventLoop::BaseRequestObject*&&) ( this=0x14297250) at /usr/include/c++/6.1.1/bits/stl_list.h:568 #11 std::__cxx11::list >::_M_insert(std::_List_iterator, PBD::EventLoop::BaseRequestObject*&&) (__position=..., this=0x14297250) at /usr/include/c++/6.1.1/bits/stl_list.h:1770 #12 std::__cxx11::list >::push_back(PBD::EventLoop::BaseRequestObject*&&) (__x=, this=0x14297250) at /usr/include/c++/6.1.1/bits/stl_list.h:1103 #13 AbstractUI::call_slot(PBD::EventLoop::InvalidationRecord*, boost::function const&) (this=0x190b150, invalidation=0x14297250, f=...) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/libs/pbd/pbd/abstract_ui.cc:437 #14 0x0000000000502fa1 in PBD::Signal0 >::compositor(boost::function, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*) (f=..., event_loop=0x190b150, ir=0x14297250) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/build/libs/pbd/pbd/signals_generated.h:216 st::_bi::list0&, int) (a=, f=, this=) at /usr/include/boost/bind/bind.hpp:398 #16 boost::_bi::bind_t, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*), boost::_bi::list3 >, boost::_bi::value, boost::_bi::value > >::operator()() (this=) at /usr/include/boost/bind/bind.hpp:1222 #17 boost::detail::function::void_function_obj_invoker0, PBD::EventLoop*, PBD::EventLoop::InvalidationRecord*), boost::_bi::list3 >, boost::_bi::value, boost::_bi::value > >, void>::invoke(boost::detail::function::function_buffer&) (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #18 0x000000000057399c in boost::function0::operator() (this=0x7f6e700fd010) at /usr/include/boost/function/function_template.hpp:771 #19 PBD::Signal0 >::operator() (this=0x1c4da30) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/build/libs/pbd/pbd/signals_generated.h:325 #20 0x00007f6eb3d93fbc in ARDOUR::Session::route_solo_changed (this=0x1c4d000, self_solo_changed=, group_override=, wpr=...) at ../libs/ardour/session.cc:3982 #21 0x00007f6eb3da8f94 in boost::_mfi::mf3 >::operator() (a3=..., a2=, a1=, p=, this=) at /usr/include/boost/bind/mem_fn_template.hpp:393 #22 boost::_bi::list4, boost::arg<1>, boost::arg<2>, boost::_bi::value > >::operator() >, boost::_bi::rrlist2 > (a=, f=..., this=) at /usr/include/boost/bind/bind.hpp:463 #23 boost::_bi::bind_t >, boost::_bi::list4, boost::arg<1>, boost::arg<2>, boost::_bi::value > > >::operator()(bool&&, PBD::Controllable::GroupControlDisposition&&) ( a2=, a1=, this=) at /usr/include/boost/bind/bind.hpp:1246 #24 boost::detail::function::void_function_obj_invoker2 >, boost::_bi::list4, boost::arg<1>, boost::arg<2>, boost::_bi::value > > >, void, bool, PBD::Controllable::GroupControlDisposition>::invoke ( function_obj_ptr=..., a0=, a1=) at /usr/include/boost/function/function_template.hpp:159 #25 0x00007f6eb3a081b8 in boost::function2::operator() (a1=PBD::Controllable::NoGroup, a0=true, this=0x7f6e700fb3b0) at /usr/include/boost/function/function_template.hpp:771 #26 PBD::Signal2 >::operator() (a2=PBD::Controllable::NoGroup, a1=true, this=0x12c8d990) at /home/ross/Downloads/pkg/extra/ardour/src/ardour-git/build/libs/pbd/pbd/signals_generated.h:1065 #27 ARDOUR::AutomationControl::actually_set_value (this=this@entry=0x12c8d800, value=value@entry=0, gcd=gcd@entry=PBD::Controllable::NoGroup) at ../libs/ardour/automation_control.cc:129 #28 0x00007f6eb3e3f629 in ARDOUR::SlavableAutomationControl::actually_set_value (this=0x12c8d800, val=0, group_override=PBD::Controllable::NoGroup) at ../libs/ardour/slavable_automation_control.cc:114 #29 0x00007f6eb3a05534 in ARDOUR::AutomationControl::set_value (this=0x12c8d800, val=0, gcd=PBD::Controllable::NoGroup) at ../libs/ardour/automation_control.cc:109 #30 0x00007f6eb3df5e13 in ARDOUR::Session::rt_set_controls (this=, cl=..., val=0, gcd=PBD::Controllable::NoGroup) at ../libs/ardour/session_rtevents.cc:68 #31 0x00007f6eb3df9e68 in boost::_mfi::mf3, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>::operator() (a3=, a2=, a1=..., p=, this=) at /usr/include/boost/bind/mem_fn_template.hpp:393 #32 boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value >::operator(), std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list0> (a=, f=..., this=) at /usr/include/boost/bind/bind.hpp:463 #33 boost::_bi::bind_t, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value > >::operator() (this=) at /usr/include/boost/bind/bind.hpp:1222 #34 boost::detail::function::void_function_obj_invoker0, std::allocator > > >, double, PBD::Controllable::GroupControlDisposition>, boost::_bi::list4, boost::_bi::value, std::allocator > > > >, boost::_bi::value, boost::_bi::value > >, void>::invoke (function_obj_ptr=...) at /usr/include/boost/function/function_template.hpp:159 #35 0x00007f6eb3df7faf in boost::function0::operator() (this=0x7f6e9c0b3c90) at /usr/include/boost/function/function_template.hpp:771 #36 ARDOUR::Session::process_rtop (this=, ev=0x7f6e9c0b3c38) at ../libs/ardour/session_rtevents.cc:96 #37 0x00007f6eb3df14a0 in ARDOUR::Session::process_event (this=0x1c4d000, ev=0x7f6e9c0b3c38) at ../libs/ardour/session_process.cc:1185 #38 0x00007f6eb3dd769b in ARDOUR::SessionEventManager::merge_event (this=this@entry=0x1c4d178, ev=0x7f6e9c0b3c38) at ../libs/ardour/session_events.cc:215 #39 0x00007f6eb3df5565 in ARDOUR::Session::process_with_events (this=0x1c4d000, nframes=1024) at ../libs/ardour/session_process.cc:303 #40 0x00007f6eb3df44aa in ARDOUR::Session::process (this=0x1c4d000, nframes=nframes@entry=1024) at ../libs/ardour/session_process.cc:76 #41 0x00007f6eb39cd263 in ARDOUR::AudioEngine::process_callback (this=0x18ffd90, nframes=) at ../libs/ardour/audioengine.cc:375 #42 0x00007f6e878cd51d in ARDOUR::JACKAudioBackend::process_thread (this=0x1b14d40) at ../libs/backends/jack/jack_audiobackend.cc:967 #43 0x00007f6e8769c057 in ?? () from /usr/lib/libjack.so.0 #44 0x00007f6eaf0be454 in start_thread () from /usr/lib/libpthread.so.0 #45 0x00007f6ead86f7df in clone () from /usr/lib/libc.so.6