ardour-3.0: ../libs/evoral/src/libsmf/smf.c:465: smf_track_add_event: Assertion `event->delta_time_pulses >= 0' failed. Program received signal SIGABRT, Aborted. 0xb7fe2430 in __kernel_vsyscall () (gdb) thread apply all backtrace Thread 15 (Thread 0x96d7ec90 (LWP 11736)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a93736 in nanosleep () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb6083a62 in g_usleep () from /lib/libglib-2.0.so.0 #3 0xb61782ad in Glib::usleep(unsigned long) () from /usr/lib/libglibmm-2.4.so.1 #4 0xb756dcea in ARDOUR::AudioEngine::meter_thread (this=0x9d3dbf0) at ../libs/ardour/audioengine.cc:683 #5 0xb758fa4d in boost::_mfi::mf0::operator()(ARDOUR::AudioEngine*) const () from gtk2_ardour/../build/libs/ardour/libardour.so.3 #6 0xb758ac38 in void boost::_bi::list1 >::operator(), boost::_bi::list0>(boost::_bi::type, boost::_mfi::mf0&, boost::_bi::list0&, int) () from gtk2_ardour/../build/libs/ardour/libardour.so.3 #7 0xb7586162 in boost::_bi::bind_t, boost::_bi::list1 > >::operator()() () from gtk2_ardour/../build/libs/ardour/libardour.so.3 #8 0xb7580ebb in sigc::adaptor_functor, boost::_bi::list1 > > >::operator()() const () from gtk2_ardour/../build/libs/ardour/libardour.so.3 #9 0xb757c61b in sigc::internal::slot_call0, boost::_bi::list1 > >, void>::call_it(sigc::internal::slot_rep*) () from gtk2_ardour/../build/libs/ardour/libardour.so.3 #10 0xb616beb2 in ?? () from /usr/lib/libglibmm-2.4.so.1 #11 0xb6080def in ?? () from /lib/libglib-2.0.so.0 #12 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #13 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 14 (Thread 0x9ce5bb70 (LWP 11735)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb49ebb86 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb60674eb in g_poll () from /lib/libglib-2.0.so.0 #3 0xb605a0ac in ?? () from /lib/libglib-2.0.so.0 #4 0xb605a817 in g_main_loop_run () from /lib/libglib-2.0.so.0 #5 0xb61714b5 in Glib::MainLoop::run() () from /usr/lib/libglibmm-2.4.so.1 #6 0xb648717d in BaseUI::main_thread (this=0xa8a4d70) at ../libs/pbd/base_ui.cc:77 #7 0xb6488552 in sigc::bound_mem_functor0::operator() (this=0xa8b0f24) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #8 0xb64883c2 in sigc::adaptor_functor >::operator() (this=0xa8b0f20) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #9 0xb6488132 in sigc::internal::slot_call0, void>::call_it (rep=0xa8b0f08) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103 ---Type to continue, or q to quit--- #10 0xb616beb2 in ?? () from /usr/lib/libglibmm-2.4.so.1 #11 0xb6080def in ?? () from /lib/libglib-2.0.so.0 #12 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #13 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 13 (Thread 0x98c8cc90 (LWP 11734)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb49ebb86 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb75f23f3 in ARDOUR::Butler::thread_work (this=0xa89c890) at ../libs/ardour/butler.cc:153 #3 0xb75f236a in ARDOUR::Butler::_thread_work (arg=0xa89c890) at ../libs/ardour/butler.cc:137 #4 0xb64bda3c in fake_thread_start (arg=0xa8a5f38) at ../libs/pbd/pthread_utils.cc:81 #5 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 12 (Thread 0x9a8b6b70 (LWP 11732)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a923e8 in sem_timedwait () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb4fd890d in ?? () from /usr/lib/libjack.so.0 #3 0xb4fc1587 in ?? () from /usr/lib/libjack.so.0 #4 0xb4fc4564 in ?? () from /usr/lib/libjack.so.0 #5 0xb4fbdb2d in ?? () from /usr/lib/libjack.so.0 #6 0xb756cf73 in ARDOUR::AudioEngine::process_thread (this=0x9d3dbf0) at ../libs/ardour/audioengine.cc:430 #7 0xb756c9cf in ARDOUR::AudioEngine::_process_thread (arg=0x9d3dbf0) at ../libs/ardour/audioengine.cc:341 #8 0xb4fbf610 in ?? () from /usr/lib/libjack.so.0 #9 0xb4fd8185 in ?? () from /usr/lib/libjack.so.0 #10 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #11 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 11 (Thread 0x9c5d9b70 (LWP 11731)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a92f5b in read () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb4fd9f05 in ?? () from /usr/lib/libjack.so.0 ---Type to continue, or q to quit--- #3 0xb4fde605 in ?? () from /usr/lib/libjack.so.0 #4 0xb4fd8185 in ?? () from /usr/lib/libjack.so.0 #5 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 10 (Thread 0x9c65ab70 (LWP 11730)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a90015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb4fd99f7 in ?? () from /usr/lib/libjack.so.0 #3 0xb4fd14a7 in ?? () from /usr/lib/libjack.so.0 #4 0xb4fd8185 in ?? () from /usr/lib/libjack.so.0 #5 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 5 (Thread 0xb2564b70 (LWP 11725)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a90015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb616b3a8 in Glib::Cond::wait(Glib::Mutex&) () from /usr/lib/libglibmm-2.4.so.1 #3 0xb74f9d1b in ARDOUR::Analyser::work () at ../libs/ardour/analyser.cc:85 #4 0xb74f9a56 in analyser_work () at ../libs/ardour/analyser.cc:49 #5 0x09159f07 in sigc::pointer_functor0::operator() (this=0x9bded34) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #6 0x09157df0 in sigc::adaptor_functor >::operator() (this=0x9bded30) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #7 0x09155592 in sigc::internal::slot_call0, void>::call_it (rep=0x9bded18) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103 #8 0xb616beb2 in ?? () from /usr/lib/libglibmm-2.4.so.1 #9 0xb6080def in ?? () from /lib/libglib-2.0.so.0 #10 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #11 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread 0xb2d65b70 (LWP 11724)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a90015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb616b3a8 in Glib::Cond::wait(Glib::Mutex&) () from /usr/lib/libglibmm-2.4.so.1 ---Type to continue, or q to quit--- #3 0xb79fb411 in peak_thread_work () at ../libs/ardour/source_factory.cc:68 #4 0x09159f07 in sigc::pointer_functor0::operator() (this=0x9bdefa4) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #5 0x09157df0 in sigc::adaptor_functor >::operator() (this=0x9bdefa0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #6 0x09155592 in sigc::internal::slot_call0, void>::call_it (rep=0x9bdef88) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0xb616beb2 in ?? () from /usr/lib/libglibmm-2.4.so.1 #8 0xb6080def in ?? () from /lib/libglib-2.0.so.0 #9 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 3 (Thread 0xb3566b70 (LWP 11723)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb4a90015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb616b3a8 in Glib::Cond::wait(Glib::Mutex&) () from /usr/lib/libglibmm-2.4.so.1 #3 0xb79fb411 in peak_thread_work () at ../libs/ardour/source_factory.cc:68 #4 0x09159f07 in sigc::pointer_functor0::operator() (this=0x9bdf0e4) at /usr/include/sigc++-2.0/sigc++/functors/ptr_fun.h:77 #5 0x09157df0 in sigc::adaptor_functor >::operator() (this=0x9bdf0e0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #6 0x09155592 in sigc::internal::slot_call0, void>::call_it (rep=0x9bdf0c8) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103 #7 0xb616beb2 in ?? () from /usr/lib/libglibmm-2.4.so.1 #8 0xb6080def in ?? () from /lib/libglib-2.0.so.0 #9 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread 0xb3d67b70 (LWP 11722)): #0 0xb7fe2430 in __kernel_vsyscall () #1 0xb49c3ce6 in nanosleep () from /lib/tls/i686/cmov/libc.so.6 #2 0xb49f344c in usleep () from /lib/tls/i686/cmov/libc.so.6 #3 0x093d1897 in gui_event_loop (ptr=0x0) at ../gtk2_ardour/linux_vst_gui_support.cc:363 #4 0xb4a8b96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb49f9a4e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread 0xb4206780 (LWP 11717)): #0 0xb7fe2430 in __kernel_vsyscall () ---Type to continue, or q to quit--- #1 0xb4956651 in raise () from /lib/tls/i686/cmov/libc.so.6 #2 0xb4959a82 in abort () from /lib/tls/i686/cmov/libc.so.6 #3 0xb494f718 in __assert_fail () from /lib/tls/i686/cmov/libc.so.6 #4 0xb63afd86 in smf_track_add_event (track=0xa8c0bd0, event=0xb430aa0) at ../libs/evoral/src/libsmf/smf.c:465 #5 0xb63b69e8 in smf_track_add_event_pulses (track=0xa8c0bd0, event=0xb430aa0, pulses=2147811616) at ../libs/evoral/src/libsmf/smf_tempo.c:425 #6 0xb63b6928 in smf_track_add_event_delta_pulses (track=0xa8c0bd0, event=0xb430aa0, delta=2147483648) at ../libs/evoral/src/libsmf/smf_tempo.c:409 #7 0xb67fbe6b in Evoral::SMF::append_event_delta (this=0xa8b5934, delta_t=2147483648, size=3, buf=0xb46fec0 "\200B@\v\300\373G\v\020", note_id=78) at ../libs/evoral/src/SMF.cpp:334 #8 0xb79ede22 in ARDOUR::SMFSource::append_event_unlocked_beats (this=0xa8b5820, ev=...) at ../libs/ardour/smf_source.cc:329 #9 0xb775e097 in ARDOUR::MidiModel::sync_to_source (this=0xa8b45e8) at ../libs/ardour/midi_model.cc:1400 #10 0xb7790832 in ARDOUR::MidiSource::session_saved (this=0xa8b5820) at ../libs/ardour/midi_source.cc:402 #11 0xb798b0c9 in ARDOUR::Session::save_state (this=0xa8993b0, snapshot_name=..., pending=true, switch_to_snapshot=false) at ../libs/ardour/session_state.cc:777 #12 0xb798a018 in ARDOUR::Session::maybe_write_autosave (this=0xa8993b0) at ../libs/ardour/session_state.cc:626 #13 0x08bcfa9d in ARDOUR_UI::autosave_session (this=0x9a21cc0) at ../gtk2_ardour/ardour_ui.cc:626 #14 0x08bf9d86 in sigc::bound_mem_functor0::operator() (this=0xa8c069c) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787 #15 0x08bf478c in sigc::adaptor_functor >::operator() (this=0xa8c0698) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251 #16 0x08beffbc in sigc::internal::slot_call0, bool>::call_it (rep=0xa8c0680) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103 #17 0xb617032d in ?? () from /usr/lib/libglibmm-2.4.so.1 #18 0xb6056d5c in ?? () from /lib/libglib-2.0.so.0 #19 0xb60565e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #20 0xb605a2d8 in ?? () from /lib/libglib-2.0.so.0 #21 0xb605a817 in g_main_loop_run () from /lib/libglib-2.0.so.0 #22 0xb5d7d3c9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #23 0xb56883a7 in Gtk::Main::run_impl() () from /usr/lib/libgtkmm-2.4.so.1 #24 0xb56881a2 in Gtk::Main::run() () from /usr/lib/libgtkmm-2.4.so.1 #25 0xb6678089 in Gtkmm2ext::UI::run (this=0x9a21cc0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:266 #26 0x08fcc33f in main (argc=1, argv=0xbfffe9d4) at ../gtk2_ardour/main.cc:555