Application: Kdenlive (kdenlive), signal SIGSEGV Attaching to process 3582. Reading symbols for shared libraries . done Reading symbols for shared libraries ........................................................................................................................................................................................................................................... done [Current thread is 1 (process 3582 thread 0x10b)] Thread 4 (process 3582 thread 0x6803): #0 0x91e13c0c in __semwait_signal () #1 0x91e6d698 in pthread_join$UNIX2003 () #2 0x08b06170 in consumer_stop () #3 0x00375504 in mlt_consumer_stop () #4 0x08b05eb8 in consumer_thread () #5 0x91e4f0c8 in _pthread_start () Thread 3 (process 3582 thread 0x541b): #0 0x91e64c04 in __wait4 () #1 0x005bc258 in KCrash::startDirectly () #2 0x005bd3e0 in KCrash::defaultCrashHandler () Thread 2 (process 3582 thread 0x3e03): #0 0x91f8039c in dyld_stub_pthread_self () #1 0x91e0e0a4 in __error () #2 0x91e0e020 in cthread_set_errno_self () #3 0x91f29c54 in cerror () #4 0x954cd99c in __CFSocketManager () #5 0x91e4f0c8 in _pthread_start () Thread 1 (process 3582 thread 0x10b): #0 0x91e13c08 in __semwait_signal () #1 0x91e6d698 in pthread_join$UNIX2003 () #2 0x08b05580 in consumer_stop () #3 0x00375504 in mlt_consumer_stop () #4 0x0038dfc8 in Mlt::Consumer::stop () #5 0x00059e84 in Render::stop () #6 0x000af9c0 in MonitorManager::switchMonitors () #7 0x0005156c in Monitor::refreshMonitor () #8 0x00054dec in Monitor::qt_metacall () #9 0x0146ac0c in QMetaObject::activate () #10 0x01a54530 in QDockWidget::visibilityChanged () #11 0x01a590fc in QDockWidget::event () #12 0x01693824 in QApplicationPrivate::notify_helper () #13 0x0169c4a0 in QApplication::notify () #14 0x014551e4 in QCoreApplication::notifyInternal () #15 0x016eac64 in QWidgetPrivate::show_helper () #16 0x016eaa0c in QWidgetPrivate::showChildren () #17 0x016eaad4 in QWidgetPrivate::show_helper () #18 0x016eb104 in QWidget::setVisible () #19 0x00012eb0 in SDL_main () #20 0x0025be6c in -[SDLMain applicationDidFinishLaunching:] () #21 0x90407670 in _nsnote_callback () #22 0x954a45cc in _CFXNotificationPostNotification () #23 0x90404dac in -[NSNotificationCenter postNotificationName:object:userInfo:] () #24 0x949abdb8 in -[NSApplication _postDidFinishNotification] () #25 0x949abcd0 in -[NSApplication _sendFinishLaunchingNotification] () #26 0x94933674 in -[NSApplication(NSAppleEventHandling) _handleAEOpen:] () #27 0x94932eac in -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] () #28 0x90427ff0 in -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] () #29 0x90427dc4 in _NSAppleEventManagerGenericHandler () #30 0x948c1ce4 in aeDispatchAppleEvent () #31 0x948c1bec in dispatchEventAndSendReply () #32 0x948c19f0 in aeProcessAppleEvent () #33 0x91b052d0 in AEProcessAppleEvent () #34 0x949309d8 in _DPSNextEvent () #35 0x94930160 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] () #36 0x94929e1c in -[NSApplication run] () #37 0x0025c4a4 in main ()