Application: Kdenlive (kdenlive), signal: Segmentation fault: 11
(lldb) process attach --pid 16489
Process 16489 stopped
Executable module set to "/Applications/MacPorts/KF5/kdenlive.app/Contents/MacOS/kdenlive".
Architecture set to: x86_64-apple-macosx.
(lldb) set set term-width 200
(lldb) thread info
thread #1: tid = 0x90aebb, 0x00007fff85129e20 libsystem_kernel.dylib`__wait4 + 8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP

(lldb) bt all
* thread #1: tid = 0x90aebb, 0x00007fff85129e20 libsystem_kernel.dylib`__wait4 + 8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff85129e20 libsystem_kernel.dylib`__wait4 + 8
    frame #1: 0x000000010cdb0fde libKF5Crash.5.dylib`KCrash::startProcess(int, char const**, bool) [inlined] startProcessInternal(argc=<unavailable>, directly=<unavailable>) + 125 at kcrash.cpp:641
    frame #2: 0x000000010cdb0f61 libKF5Crash.5.dylib`KCrash::startProcess(argc=<unavailable>, argv=<unavailable>, waitAndExit=<unavailable>) + 17 at kcrash.cpp:623
    frame #3: 0x000000010cdb0de9 libKF5Crash.5.dylib`KCrash::defaultCrashHandler(sig=<unavailable>) + 1049 at kcrash.cpp:527
    frame #4: 0x00007fff8b9035aa libsystem_platform.dylib`_sigtramp + 26
    frame #5: 0x0000000112b41865 QtGui`QPlatformWindow::window(this=0x0000000000000000) const + 5 at qplatformwindow.cpp:72
    frame #6: 0x0000000118883d33 libqcocoa.dylib`QCocoaWindow::shouldRefuseKeyWindowAndFirstResponder(this=0x0000000000000000) + 19 at qcocoawindow.mm:1852
    frame #7: 0x000000011888dbee libqcocoa.dylib`-[QNSView acceptsFirstResponder](self=0x00007f94b5a6ee20, _cmd=<unavailable>) + 46 at qnsview.mm:658
    frame #8: 0x00007fff86007a8e AppKit`-[NSWindow _selectFirstKeyView] + 407
    frame #9: 0x00007fff860077ed AppKit`-[NSWindow _setUpFirstResponder] + 240
    frame #10: 0x00007fff86004e4b AppKit`-[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 1865
    frame #11: 0x00007fff86004460 AppKit`-[NSWindow _doOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 786
    frame #12: 0x00007fff860040e0 AppKit`-[NSWindow orderWindow:relativeTo:] + 162
    frame #13: 0x00007fff86778413 AppKit`-[_NSWindowFullScreenTransition orderTransitionedWindowFront] + 44
    frame #14: 0x00007fff86774726 AppKit`-[_NSFullScreenTransitionOverlayWindow exitFullScreenAnimationFinished] + 43
    frame #15: 0x00007fff86774dd1 AppKit`__99-[_NSFullScreenTransitionOverlayWindow startExitFullScreenAnimationWithDuration:completionHandler:]_block_invoke + 26
    frame #16: 0x00007fff8dfac1bb libdispatch.dylib`_dispatch_call_block_and_release + 12
    frame #17: 0x00007fff8dfa928d libdispatch.dylib`_dispatch_client_callout + 8
    frame #18: 0x00007fff8dfb0ef0 libdispatch.dylib`_dispatch_main_queue_callback_4CF + 333
    frame #19: 0x00007fff898b24f9 CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
    frame #20: 0x00007fff8986d714 CoreFoundation`__CFRunLoopRun + 1636
    frame #21: 0x00007fff8986ce75 CoreFoundation`CFRunLoopRunSpecific + 309
    frame #22: 0x00007fff86b94a0d HIToolbox`RunCurrentEventLoopInMode + 226
    frame #23: 0x00007fff86b947b7 HIToolbox`ReceiveNextEventCommon + 479
    frame #24: 0x00007fff86b945bc HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 65
    frame #25: 0x00007fff85eb424e AppKit`_DPSNextEvent + 1434
    frame #26: 0x00007fff85eb389b AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
    frame #27: 0x00007fff85ea799c AppKit`-[NSApplication run] + 553
    frame #28: 0x000000011889782d libqcocoa.dylib`QCocoaEventDispatcher::processEvents(this=0x00007f94b2d65a40, flags=<unavailable>) + 2189 at qcocoaeventdispatcher.mm:416
    frame #29: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #30: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x00007fff539d4a50, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #31: 0x00000001133f5195 QtCore`QCoreApplication::exec() + 325 at qcoreapplication.cpp:1290
    frame #32: 0x000000010c61aae4 kdenlive`main(argc=1, argv=<unavailable>) + 10036 at main.cpp:130
    frame #33: 0x00007fff838695fd libdyld.dylib`start + 1
    frame #34: 0x00007fff838695fd libdyld.dylib`start + 1

  thread #2: tid = 0x90aebc, 0x00007fff8512a662 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x00007fff8512a662 libsystem_kernel.dylib`kevent64 + 10
    frame #1: 0x00007fff8dfab421 libdispatch.dylib`_dispatch_mgr_invoke + 239
    frame #2: 0x00007fff8dfab136 libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #3: tid = 0x90aebe, 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8af33f08 libsystem_pthread.dylib`_pthread_wqthread + 330
    frame #2: 0x00007fff8af36fb9 libsystem_pthread.dylib`start_wqthread + 13

  thread #4: tid = 0x90aec5, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'QDBusConnectionManager'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000011344a754 QtCore`qt_safe_select(nfds=7, fdread=0x00007f94b4018d98, fdwrite=0x00007f94b4019028, fdexcept=0x00007f94b40192b8, orig_timeout=<unavailable>) + 564 at qcore_unix.cpp:75
    frame #2: 0x000000011344b8d9 QtCore`QEventDispatcherUNIXPrivate::doSelect(this=0x00007f94b4018c00, timeout=<unavailable>, flags=<unavailable>) + 665 at qeventdispatcher_unix.cpp:192
    frame #3: 0x000000011344c9fe QtCore`QEventDispatcherUNIX::processEvents(this=0x00007f94b2e308b0, flags=<unavailable>) + 222 at qeventdispatcher_unix.cpp:607
    frame #4: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #5: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x000000011b441e28, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #6: 0x0000000113232785 QtCore`QThread::exec(this=<unavailable>) + 117 at qthread.cpp:503
    frame #7: 0x000000010e4748c3 QtDBus`QDBusConnectionManager::run(this=0x00007f94b2d81370) + 19 at qdbusconnection.cpp:181
    frame #8: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b2d81370) + 363 at qthread_unix.cpp:340
    frame #9: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #5: tid = 0x90aede, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'QQmlThread'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000011344a754 QtCore`qt_safe_select(nfds=9, fdread=0x00007f94b3988798, fdwrite=0x00007f94b3988a28, fdexcept=0x00007f94b3988cb8, orig_timeout=<unavailable>) + 564 at qcore_unix.cpp:75
    frame #2: 0x000000011344b8d9 QtCore`QEventDispatcherUNIXPrivate::doSelect(this=0x00007f94b3988600, timeout=<unavailable>, flags=<unavailable>) + 665 at qeventdispatcher_unix.cpp:192
    frame #3: 0x000000011344c9fe QtCore`QEventDispatcherUNIX::processEvents(this=0x00007f94b56a17d0, flags=<unavailable>) + 222 at qeventdispatcher_unix.cpp:607
    frame #4: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #5: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x000000012598ae38, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #6: 0x0000000113232785 QtCore`QThread::exec(this=<unavailable>) + 117 at qthread.cpp:503
    frame #7: 0x000000010e982659 QtQml`QQmlThreadPrivate::run(this=0x00007f94b2e56880) + 57 at qqmlthread.cpp:141
    frame #8: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b2e56880) + 363 at qthread_unix.cpp:340
    frame #9: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #6: tid = 0x90aedf, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Thread (pooled)'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x0000000113237920 QtCore`QWaitConditionPrivate::wait_relative(this=0x00007f94b537b030, time=<unavailable>) + 288 at qwaitcondition_unix.cpp:126
    frame #3: 0x000000011323775b QtCore`QWaitConditionPrivate::wait(this=0x00007f94b537b030, time=30000) + 43 at qwaitcondition_unix.cpp:134
    frame #4: 0x000000011323762b QtCore`QWaitCondition::wait(this=0x00007f94b55782a0, mutex=0x00007f94b2d966d0, time=30000) + 155 at qwaitcondition_unix.cpp:208
    frame #5: 0x00000001132331ae QtCore`QThreadPoolThread::run(this=0x00007f94b5578290) + 590 at qthreadpool.cpp:127
    frame #6: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b5578290) + 363 at qthread_unix.cpp:340
    frame #7: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #8: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #9: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #7: tid = 0x90aee2, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'QQmlThread'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000011344a754 QtCore`qt_safe_select(nfds=13, fdread=0x00007f94b4073398, fdwrite=0x00007f94b4073628, fdexcept=0x00007f94b40738b8, orig_timeout=<unavailable>) + 564 at qcore_unix.cpp:75
    frame #2: 0x000000011344b8d9 QtCore`QEventDispatcherUNIXPrivate::doSelect(this=0x00007f94b4073200, timeout=<unavailable>, flags=<unavailable>) + 665 at qeventdispatcher_unix.cpp:192
    frame #3: 0x000000011344c9fe QtCore`QEventDispatcherUNIX::processEvents(this=0x00007f94b2e94f70, flags=<unavailable>) + 222 at qeventdispatcher_unix.cpp:607
    frame #4: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #5: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x0000000126478e38, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #6: 0x0000000113232785 QtCore`QThread::exec(this=<unavailable>) + 117 at qthread.cpp:503
    frame #7: 0x000000010e982659 QtQml`QQmlThreadPrivate::run(this=0x00007f94b570a990) + 57 at qqmlthread.cpp:141
    frame #8: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b570a990) + 363 at qthread_unix.cpp:340
    frame #9: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #8: tid = 0x90aee5, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'QSGRenderThread'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011323777b QtCore`QWaitConditionPrivate::wait(this=0x00007f94b5e617b0, time=<unavailable>) + 75 at qwaitcondition_unix.cpp:136
    frame #3: 0x000000011323762b QtCore`QWaitCondition::wait(this=0x00007f94b5a88fc8, mutex=0x00007f94b5a88fc0, time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:208
    frame #4: 0x000000010d2077cd QtQuick`QSGRenderThread::processEventsAndWaitForMore() [inlined] QSGRenderThreadEventQueue::takeEvent(this=0x00007f94b5a88fb8, wait=<unavailable>) + 61 at qsgthreadedrenderloop.cpp:236
    frame #5: 0x000000010d207790 QtQuick`QSGRenderThread::processEventsAndWaitForMore(this=0x00007f94b5a88f40) + 320 at qsgthreadedrenderloop.cpp:684
    frame #6: 0x000000010d207c8d QtQuick`QSGRenderThread::run(this=0x00007f94b5a88f40) + 845 at qsgthreadedrenderloop.cpp:713
    frame #7: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b5a88f40) + 363 at qthread_unix.cpp:340
    frame #8: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #9: tid = 0x90aee6, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'FrameRenderer'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000011344a754 QtCore`qt_safe_select(nfds=18, fdread=0x00007f94b4326b98, fdwrite=0x00007f94b4326e28, fdexcept=0x00007f94b43270b8, orig_timeout=<unavailable>) + 564 at qcore_unix.cpp:75
    frame #2: 0x000000011344b8d9 QtCore`QEventDispatcherUNIXPrivate::doSelect(this=0x00007f94b4326a00, timeout=<unavailable>, flags=<unavailable>) + 665 at qeventdispatcher_unix.cpp:192
    frame #3: 0x000000011344c9fe QtCore`QEventDispatcherUNIX::processEvents(this=0x00007f94b5e69f10, flags=<unavailable>) + 222 at qeventdispatcher_unix.cpp:607
    frame #4: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #5: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x000000012859fe58, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #6: 0x0000000113232785 QtCore`QThread::exec(this=<unavailable>) + 117 at qthread.cpp:503
    frame #7: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b5e6a750) + 363 at qthread_unix.cpp:340
    frame #8: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #10: tid = 0x90aee7, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'QSGRenderThread'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011323777b QtCore`QWaitConditionPrivate::wait(this=0x00007f94b5da0380, time=<unavailable>) + 75 at qwaitcondition_unix.cpp:136
    frame #3: 0x000000011323762b QtCore`QWaitCondition::wait(this=0x00007f94b5da0148, mutex=0x00007f94b5da0140, time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:208
    frame #4: 0x000000010d2077cd QtQuick`QSGRenderThread::processEventsAndWaitForMore() [inlined] QSGRenderThreadEventQueue::takeEvent(this=0x00007f94b5da0138, wait=<unavailable>) + 61 at qsgthreadedrenderloop.cpp:236
    frame #5: 0x000000010d207790 QtQuick`QSGRenderThread::processEventsAndWaitForMore(this=0x00007f94b5da00c0) + 320 at qsgthreadedrenderloop.cpp:684
    frame #6: 0x000000010d207c8d QtQuick`QSGRenderThread::run(this=0x00007f94b5da00c0) + 845 at qsgthreadedrenderloop.cpp:713
    frame #7: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b5da00c0) + 363 at qthread_unix.cpp:340
    frame #8: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #11: tid = 0x90aee9, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'FrameRenderer'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000011344a754 QtCore`qt_safe_select(nfds=22, fdread=0x00007f94b3bd5798, fdwrite=0x00007f94b3bd5a28, fdexcept=0x00007f94b3bd5cb8, orig_timeout=<unavailable>) + 564 at qcore_unix.cpp:75
    frame #2: 0x000000011344b8d9 QtCore`QEventDispatcherUNIXPrivate::doSelect(this=0x00007f94b3bd5600, timeout=<unavailable>, flags=<unavailable>) + 665 at qeventdispatcher_unix.cpp:192
    frame #3: 0x000000011344c9fe QtCore`QEventDispatcherUNIX::processEvents(this=0x00007f94b5961fd0, flags=<unavailable>) + 222 at qeventdispatcher_unix.cpp:607
    frame #4: 0x00000001133f0f01 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined] QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at qeventloop.cpp:128
    frame #5: 0x00000001133f0ee4 QtCore`QEventLoop::exec(this=0x0000000128b2ce58, flags=<unavailable>) + 372 at qeventloop.cpp:204
    frame #6: 0x0000000113232785 QtCore`QThread::exec(this=<unavailable>) + 117 at qthread.cpp:503
    frame #7: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b5e86bd0) + 363 at qthread_unix.cpp:340
    frame #8: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #12: tid = 0x90af1e, 0x00007fff851299aa libsystem_kernel.dylib`__select + 10, name = 'com.apple.CFSocket.private'
    frame #0: 0x00007fff851299aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x00007fff898b9a03 CoreFoundation`__CFSocketManager + 867
    frame #2: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #3: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #4: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #13: tid = 0x90af4c, 0x00007fff85125a1a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #0: 0x00007fff85125a1a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff85124d18 libsystem_kernel.dylib`mach_msg + 64
    frame #2: 0x00007fff8986df15 CoreFoundation`__CFRunLoopServiceMachPort + 181
    frame #3: 0x00007fff8986d539 CoreFoundation`__CFRunLoopRun + 1161
    frame #4: 0x00007fff8986ce75 CoreFoundation`CFRunLoopRunSpecific + 309
    frame #5: 0x00007fff8605405e AppKit`_NSEventThread + 144
    frame #6: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #7: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #8: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #14: tid = 0x90af4d, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Thread (pooled)'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x0000000113237920 QtCore`QWaitConditionPrivate::wait_relative(this=0x00007f94b6af7be0, time=<unavailable>) + 288 at qwaitcondition_unix.cpp:126
    frame #3: 0x000000011323775b QtCore`QWaitConditionPrivate::wait(this=0x00007f94b6af7be0, time=30000) + 43 at qwaitcondition_unix.cpp:134
    frame #4: 0x000000011323762b QtCore`QWaitCondition::wait(this=0x00007f94b6ca83d0, mutex=0x00007f94b2d966d0, time=30000) + 155 at qwaitcondition_unix.cpp:208
    frame #5: 0x00000001132331ae QtCore`QThreadPoolThread::run(this=0x00007f94b6ca83c0) + 590 at qthreadpool.cpp:127
    frame #6: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b6ca83c0) + 363 at qthread_unix.cpp:340
    frame #7: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #8: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #9: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #15: tid = 0x90afb1, 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8af33f08 libsystem_pthread.dylib`_pthread_wqthread + 330
    frame #2: 0x00007fff8af36fb9 libsystem_pthread.dylib`start_wqthread + 13

  thread #16: tid = 0x90b563, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Thread (pooled)'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x0000000113237920 QtCore`QWaitConditionPrivate::wait_relative(this=0x00007f94b78b1100, time=<unavailable>) + 288 at qwaitcondition_unix.cpp:126
    frame #3: 0x000000011323775b QtCore`QWaitConditionPrivate::wait(this=0x00007f94b78b1100, time=30000) + 43 at qwaitcondition_unix.cpp:134
    frame #4: 0x000000011323762b QtCore`QWaitCondition::wait(this=0x00007f94b78ae6d0, mutex=0x00007f94b2d966d0, time=30000) + 155 at qwaitcondition_unix.cpp:208
    frame #5: 0x00000001132331ae QtCore`QThreadPoolThread::run(this=0x00007f94b78ae6c0) + 590 at qthreadpool.cpp:127
    frame #6: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b78ae6c0) + 363 at qthread_unix.cpp:340
    frame #7: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #8: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #9: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #17: tid = 0x90b63c, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011f42a053 libavcodec.56.dylib`___lldb_unnamed_function3269$$libavcodec.56.dylib + 627
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #18: tid = 0x90b63d, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011f42a053 libavcodec.56.dylib`___lldb_unnamed_function3269$$libavcodec.56.dylib + 627
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #19: tid = 0x90b63e, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011f42a053 libavcodec.56.dylib`___lldb_unnamed_function3269$$libavcodec.56.dylib + 627
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #20: tid = 0x90b63f, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011f42a053 libavcodec.56.dylib`___lldb_unnamed_function3269$$libavcodec.56.dylib + 627
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #21: tid = 0x90b640, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000011f42a053 libavcodec.56.dylib`___lldb_unnamed_function3269$$libavcodec.56.dylib + 627
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #22: tid = 0x90b770, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CVDisplayLink'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x00007fff8a075a38 CoreVideo`CVDisplayLink::runIOThread() + 656
    frame #3: 0x00007fff8a07578f CoreVideo`startIOThread(void*) + 147
    frame #4: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #5: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #6: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #23: tid = 0x90b771, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CVDisplayLink'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x00007fff8a075a38 CoreVideo`CVDisplayLink::runIOThread() + 656
    frame #3: 0x00007fff8a07578f CoreVideo`startIOThread(void*) + 147
    frame #4: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #5: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #6: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #24: tid = 0x90b778, 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff85129e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8af33f08 libsystem_pthread.dylib`_pthread_wqthread + 330
    frame #2: 0x00007fff8af36fb9 libsystem_pthread.dylib`start_wqthread + 13

  thread #25: tid = 0x90b7ef, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x0000000121de8107 libmltsdl.dylib`consumer_thread86 + 823
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #26: tid = 0x90b7f0, 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'RenderThread'
    frame #0: 0x00007fff85129716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8af34c3b libsystem_pthread.dylib`_pthread_cond_wait + 727
    frame #2: 0x000000010cdd25fb libmlt.6.dylib`consumer_read_ahead_thread + 843
    frame #3: 0x000000010c5158a2 kdenlive`RenderThread::run(this=0x00007f94b795c9b0) + 34 at glwidget.cpp:1229
    frame #4: 0x000000011323619b QtCore`QThreadPrivate::start(arg=0x00007f94b795c9b0) + 363 at qthread_unix.cpp:340
    frame #5: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #6: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #7: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #27: tid = 0x90b7f3, 0x00007fff85125a1a libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.audio.IOThread.client'
    frame #0: 0x00007fff85125a1a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff85124d18 libsystem_kernel.dylib`mach_msg + 64
    frame #2: 0x00007fff8f5977fc CoreAudio`HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 98
    frame #3: 0x00007fff8f59778a CoreAudio`HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 42
    frame #4: 0x00007fff8f595efc CoreAudio`HALC_ProxyIOContext::IOWorkLoop() + 1140
    frame #5: 0x00007fff8f5959dd CoreAudio`HALC_ProxyIOContext::IOThreadEntry(void*) + 97
    frame #6: 0x00007fff8f59589d CoreAudio`HALB_IOThread::Entry(void*) + 75
    frame #7: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #8: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #9: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13

  thread #28: tid = 0x90b7f5, 0x00007fff85129a3a libsystem_kernel.dylib`__semwait_signal + 10
    frame #0: 0x00007fff85129a3a libsystem_kernel.dylib`__semwait_signal + 10
    frame #1: 0x00007fff8344bdd4 libsystem_c.dylib`nanosleep + 200
    frame #2: 0x0000000121de85d2 libmltsdl.dylib`video_thread87 + 450
    frame #3: 0x00007fff8af32899 libsystem_pthread.dylib`_pthread_body + 138
    frame #4: 0x00007fff8af3272a libsystem_pthread.dylib`_pthread_start + 137
    frame #5: 0x00007fff8af36fc9 libsystem_pthread.dylib`thread_start + 13
(lldb) detach
Process 16489 detached