user$ lldb -- ./mixxx --controllerDebug --developer --resourcePath res
...
...
Process 52557 stopped
* thread #1: tid = 0x16baee, 0x0000000100b79000 QtCore`QMutex::lock() + 16, queue = 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, address=0x38)
    frame #0: 0x0000000100b79000 QtCore`QMutex::lock() + 16
QtCore`QMutex::lock() + 16:
-> 0x100b79000:  movq   (%rdi), %rbx
   0x100b79003:  testb  $1, 4(%rbx)
   0x100b79007:  jne    0x100b79040               ; QMutex::lock() + 80
   0x100b79009:  movl   $1, %ecx
(lldb) thread backtrace all
* thread #1: tid = 0x16baee, 0x0000000100b79000 QtCore`QMutex::lock() + 16, queue = 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, address=0x38)
    frame #0: 0x0000000100b79000 QtCore`QMutex::lock() + 16
    frame #1: 0x0000000100310a79 mixxx`Cue::setHotCue(int) [inlined] QMutex::lockInline(this=0x0000000000000000) + 57 at qmutex.h:198
    frame #2: 0x0000000100310a71 mixxx`Cue::setHotCue(int) [inlined] QMutexLocker::QMutexLocker(m=0x0000000000000000) + 36 at qmutex.h:109
    frame #3: 0x0000000100310a4d mixxx`Cue::setHotCue(int) [inlined] QMutexLocker::QMutexLocker(m=0x0000000000000000) at qmutex.h:114
    frame #4: 0x0000000100310a4d mixxx`Cue::setHotCue(this=0x0000000000000000, hotCue=0) + 13 at cue.cpp:118
    frame #5: 0x000000010014cbdc mixxx`DlgTrackInfo::saveTrack(this=0x000000011657f170) + 1212 at dlgtrackinfo.cpp:260
    frame #6: 0x000000010014c66f mixxx`DlgTrackInfo::unloadTrack(this=0x000000011657f170, save=<unavailable>) + 47 at dlgtrackinfo.cpp:285
    frame #7: 0x000000010014c6fe mixxx`DlgTrackInfo::OK(this=0x000000011657f170) + 14 at dlgtrackinfo.cpp:66
    frame #8: 0x00000001003f9749 mixxx`DlgTrackInfo::qt_static_metacall(_o=0x000000011657f170, _c=<unavailable>, _id=<unavailable>, _a=<unavailable>) + 329 at moc_dlgtrackinfo.cc:78
    frame #9: 0x0000000100cb109e QtCore`QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 1566
    frame #10: 0x00000001015daef1 QtGui`QAbstractButton::clicked(bool) + 49
    frame #11: 0x00000001012fdd50 QtGui`QAbstractButtonPrivate::emitClicked() + 64
    frame #12: 0x00000001012fef8a QtGui`QAbstractButtonPrivate::click() + 154
    frame #13: 0x00000001012ff1e1 QtGui`QAbstractButton::mouseReleaseEvent(QMouseEvent*) + 113
    frame #14: 0x0000000100fb4467 QtGui`QWidget::event(QEvent*) + 2423
    frame #15: 0x00000001012fdfd8 QtGui`QAbstractButton::event(QEvent*) + 40
    frame #16: 0x000000010139a0a5 QtGui`QPushButton::event(QEvent*) + 69
    frame #17: 0x0000000100f595ed QtGui`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 189
    frame #18: 0x0000000100f60190 QtGui`QApplication::notify(QObject*, QEvent*) + 2384
    frame #19: 0x0000000100c98bdc QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 124
    frame #20: 0x0000000100f5dbdd QtGui`QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) + 333
    frame #21: 0x0000000100f0d6cb QtGui`qt_mac_handleMouseEvent(NSEvent*, QEvent::Type, Qt::MouseButton, QWidget*, bool) + 763
    frame #22: 0x00007fff901035d6 AppKit`-[NSWindow sendEvent:] + 7053
    frame #23: 0x0000000100efa2d7 QtGui`-[QCocoaPanel sendEvent:] + 87
    frame #24: 0x00007fff900ff644 AppKit`-[NSApplication sendEvent:] + 5761
    frame #25: 0x0000000100f07814 QtGui`-[QNSApplication sendEvent:] + 84
    frame #26: 0x00007fff9001521a AppKit`-[NSApplication run] + 636
    frame #27: 0x0000000100f12680 QtGui`QEventDispatcherMac::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 1824
    frame #28: 0x0000000100c97af4 QtCore`QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 68
    frame #29: 0x0000000100c97ea4 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 324
    frame #30: 0x0000000100c9a58c QtCore`QCoreApplication::exec() + 188
    frame #31: 0x00000001003d397d mixxx`main(argc=5, argv=<unavailable>) + 2013 at main.cpp:343
    frame #32: 0x00007fff8f66c7e1 libdyld.dylib`start + 1

  thread #2: tid = 0x16bb01, 0x00007fff8f660d16 libsystem_kernel.dylib`kevent + 10, queue = 'com.apple.libdispatch-manager
    frame #0: 0x00007fff8f660d16 libsystem_kernel.dylib`kevent + 10
    frame #1: 0x00007fff8763edea libdispatch.dylib`_dispatch_mgr_invoke + 883
    frame #2: 0x00007fff8763e9ee libdispatch.dylib`_dispatch_mgr_thread + 54

  thread #3: tid = 0x16bb02, 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8f2eff1c libsystem_c.dylib`_pthread_workq_return + 25
    frame #2: 0x00007fff8f2efce3 libsystem_c.dylib`_pthread_wqthread + 412
    frame #3: 0x00007fff8f2da191 libsystem_c.dylib`start_wqthread + 13

  thread #4: tid = 0x16bb03, 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8f2eff1c libsystem_c.dylib`_pthread_workq_return + 25
    frame #2: 0x00007fff8f2efce3 libsystem_c.dylib`_pthread_wqthread + 412
    frame #3: 0x00007fff8f2da191 libsystem_c.dylib`start_wqthread + 13

  thread #5: tid = 0x16bb0b, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'StatsManager
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x000000010049100a mixxx`StatsManager::run(this=0x000000010303fd10) + 234 at statsmanager.cpp:97
    frame #4: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #5: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #6: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #6: tid = 0x16bb0c, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'EngineWorkerScheduler
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100267ffa mixxx`EngineWorkerScheduler::run(this=0x0000000103067930) + 154 at engineworkerscheduler.cpp:43
    frame #4: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #5: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #6: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #7: tid = 0x16bb0d, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'EngineSideChain
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x00000001002873fc mixxx`EngineSideChain::run(this=0x0000000103378cf0) + 268 at enginesidechain.cpp:93
    frame #4: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #5: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #6: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #8: tid = 0x16bb10, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'VinylControlProcessor
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x000000010049b1a5 mixxx`VinylControlProcessor::run(this=0x0000000104d034a0) + 1621 at vinylcontrolprocessor.cpp:129
    frame #4: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #5: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #6: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #9: tid = 0x16bb11, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x0000000104d983e0) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #10: tid = 0x16bb12, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x0000000103360260) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #11: tid = 0x16bb13, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x000000010f21c720) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #12: tid = 0x16bb14, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x000000010eb48b60) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #13: tid = 0x16bb15, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x000000011113fcc0) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #14: tid = 0x16bb16, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x000000010f2d5ee0) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #15: tid = 0x16bb17, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'CachingReaderWorker
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x0000000100b7af46 QtCore`QSemaphore::acquire(int) + 134
    frame #4: 0x0000000100054d8f mixxx`CachingReaderWorker::run(this=0x00000001035c5900) + 303 at cachingreaderworker.cpp:116
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #16: tid = 0x16bb18, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'BrowseThread
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x00000001002e0af2 mixxx`BrowseThread::run(this=0x0000000113a476f0) + 50 at browsethread.cpp:82
    frame #4: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #5: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #6: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #17: tid = 0x16bb19, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'AnalyserQueue
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7f710 QtCore`QWaitCondition::wait(QMutex*, unsigned long) + 304
    frame #3: 0x000000010003dd78 mixxx`AnalyserQueue::dequeueNextBlocking(this=0x00000001133f2670) + 72 at analyserqueue.cpp:94
    frame #4: 0x000000010003f4e0 mixxx`AnalyserQueue::run(this=0x00000001133f2670) + 448 at analyserqueue.cpp:264
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #18: tid = 0x16bb1a, 0x00007fff8f660322 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10, name = 'Controller
    frame #0: 0x00007fff8f660322 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
    frame #1: 0x0000000100cc9ffe QtCore`qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) + 142
    frame #2: 0x0000000100cce494 QtCore`QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) + 388
    frame #3: 0x0000000100cce954 QtCore`QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 308
    frame #4: 0x0000000100c97af4 QtCore`QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 68
    frame #5: 0x0000000100c97ea4 QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 324
    frame #6: 0x0000000100b7ba98 QtCore`QThread::exec() + 312
    frame #7: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #8: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #9: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #20: tid = 0x16bb20, 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8f6606d6 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8f2eff1c libsystem_c.dylib`_pthread_workq_return + 25
    frame #2: 0x00007fff8f2efce3 libsystem_c.dylib`_pthread_wqthread + 412
    frame #3: 0x00007fff8f2da191 libsystem_c.dylib`start_wqthread + 13

  thread #21: tid = 0x16bb21, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'VSyncThread
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000100b7ddd3 QtCore`thread_sleep(timespec*) + 99
    frame #3: 0x0000000100b7de95 QtCore`QThread::usleep(unsigned long) + 133
    frame #4: 0x00000001004b7261 mixxx`VSyncThread::run(this=0x0000000114f8ead0) + 257 at vsyncthread.cpp:73
    frame #5: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #22: tid = 0x16bb22, 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.audio.IOThread.client
    frame #0: 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8f65dc42 libsystem_kernel.dylib`mach_msg + 70
    frame #2: 0x00007fff89e3a70c CoreAudio`HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 98
    frame #3: 0x00007fff89e3a69a CoreAudio`HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 42
    frame #4: 0x00007fff89e38ad9 CoreAudio`HALC_ProxyIOContext::IOWorkLoop() + 1161
    frame #5: 0x00007fff89e385bf CoreAudio`HALC_ProxyIOContext::IOThreadEntry(void*) + 83
    frame #6: 0x00007fff89e38497 CoreAudio`HALB_IOThread::Entry(void*) + 75
    frame #7: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #8: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #23: tid = 0x16bb24, 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.audio.IOThread.client
    frame #0: 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8f65dc42 libsystem_kernel.dylib`mach_msg + 70
    frame #2: 0x00007fff89e3a70c CoreAudio`HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 98
    frame #3: 0x00007fff89e3a69a CoreAudio`HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 42
    frame #4: 0x00007fff89e38ad9 CoreAudio`HALC_ProxyIOContext::IOWorkLoop() + 1161
    frame #5: 0x00007fff89e385bf CoreAudio`HALC_ProxyIOContext::IOThreadEntry(void*) + 83
    frame #6: 0x00007fff89e38497 CoreAudio`HALB_IOThread::Entry(void*) + 75
    frame #7: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #8: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #24: tid = 0x16bb27, 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #0: 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8f65dc42 libsystem_kernel.dylib`mach_msg + 70
    frame #2: 0x0000000102ea8970 CoreMIDI`XServerMachPort::ReceiveMessage(int&, void*, int&) + 96
    frame #3: 0x0000000102ec4b23 CoreMIDI`MIDIProcess::RunMIDIInThread() + 243
    frame #4: 0x0000000102ea9c2c CoreMIDI`XThread::RunHelper(void*) + 10
    frame #5: 0x0000000102ea980f CoreMIDI`CAPThread::Entry(CAPThread*) + 175
    frame #6: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #7: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #25: tid = 0x16bb29, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000102e581b6 libhss1394.dylib`localUpcallThread(void*) + 182
    frame #3: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #4: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #26: tid = 0x16bb2a, 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #0: 0x00007fff8f65e686 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8f65dc42 libsystem_kernel.dylib`mach_msg + 70
    frame #2: 0x00007fff8f3eb233 CoreFoundation`__CFRunLoopServiceMachPort + 195
    frame #3: 0x00007fff8f3f0916 CoreFoundation`__CFRunLoopRun + 1078
    frame #4: 0x00007fff8f3f00e2 CoreFoundation`CFRunLoopRunSpecific + 290
    frame #5: 0x00007fff8f3fedd1 CoreFoundation`CFRunLoopRun + 97
    frame #6: 0x0000000102e58632 libhss1394.dylib`localDispatchThread(void*) + 610
    frame #7: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #8: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #27: tid = 0x16bb2c, 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff8f6600fa libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8f2f1fb9 libsystem_c.dylib`_pthread_cond_wait + 869
    frame #2: 0x0000000101f4fb66 QtScript`QTWTF::TCMalloc_PageHeap::scavengerThread() + 118
    frame #3: 0x0000000101f4fba9 QtScript`QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) + 9
    frame #4: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #5: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13

  thread #28: tid = 0x16bb2d, 0x00007fff8f660d16 libsystem_kernel.dylib`kevent + 10, name = 'QKqueueFileSystemWatcherEngine
    frame #0: 0x00007fff8f660d16 libsystem_kernel.dylib`kevent + 10
    frame #1: 0x0000000100c7a339 QtCore`QKqueueFileSystemWatcherEngine::run() + 153
    frame #2: 0x0000000100b7e6d4 QtCore`QThreadPrivate::start(void*) + 356
    frame #3: 0x00007fff8f2ed772 libsystem_c.dylib`_pthread_start + 327
    frame #4: 0x00007fff8f2da1a1 libsystem_c.dylib`thread_start + 13
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