https://bugs.kde.org/show_bug.cgi?id=393102

            Bug ID: 393102
           Summary: KDevelop crash-on-exit after destroying locked
                    QReadWriteLock
           Product: kdevelop
           Version: unspecified
          Platform: Compiled Sources
                OS: OS X
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdevelop-bugs-n...@kde.org
          Reporter: rjvber...@gmail.com
  Target Milestone: ---

Application: kdevelop (5.2.1-88-gf5e79d3876)
 (Compiled from sources)
Qt Version: 5.9.4
Frameworks Version: 5.42.0
Operating System: Darwin 13.4.0 x86_64
Distribution (Platform): MacPorts Packages

-- Information about the crash:
- What I was doing when the application crashed:

I quit a largish session (holds the KDevelop project, plus a small project).
Both projects were unloaded successfully AFAICT, and then I got

QReadWriteLock: destroying locked QReadWriteLock

followed by DrKonqi

I'm currently running #8430d3058f92725b4e6b7d85d8d68550ce12ee79 from the 5.2
branch.

A freak incident?

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault: 11
(lldb) process attach --pid 16565
Process 16565 stopped
Executable module set to
"/Applications/MacPorts/KF5/kdevelop.app/Contents/MacOS/kdevelop.bin".
Architecture set to: x86_64-apple-macosx.
(lldb) set term-width 200
(lldb) thread info
thread #1: tid = 0x1187e1d, 0x00007fff8f762e20 libsystem_kernel.dylib`__wait4 +
8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP

(lldb) bt all
* thread #1: tid = 0x1187e1d, 0x00007fff8f762e20 libsystem_kernel.dylib`__wait4
+ 8, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff8f762e20 libsystem_kernel.dylib`__wait4 + 8
    frame #1: 0x00000001086c5d1e libKF5Crash.5.dylib`KCrash::startProcess(int,
char const**, bool) [inlined] startProcessInternal(argc=<unavailable>,
directly=<unavailable>) + 125 at kcrash.cpp:649
    frame #2: 0x00000001086c5ca1
libKF5Crash.5.dylib`KCrash::startProcess(argc=<unavailable>,
argv=<unavailable>, waitAndExit=<unavailable>) + 17 at kcrash.cpp:631
    frame #3: 0x00000001086c5ae5
libKF5Crash.5.dylib`KCrash::defaultCrashHandler(sig=11) + 1061 at
kcrash.cpp:528
    frame #4: 0x00007fff9252a5aa libsystem_platform.dylib`_sigtramp + 26
    frame #5: 0x00007fff8f762717 libsystem_kernel.dylib`__psynch_cvwait + 11
    frame #6: 0x000000010b73f76b
QtCore`QWaitConditionPrivate::wait(this=0x0000000000000001, time=<unavailable>)
+ 75 at qwaitcondition_unix.cpp:143
    frame #7: 0x000000010b73f61b
QtCore`QWaitCondition::wait(this=0x00007fd22942a810, mutex=0x00007fd22942a808,
time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:215
    frame #8: 0x000000010b7384cb
QtCore`QReadWriteLockPrivate::lockForWrite(this=<unavailable>,
timeout=<unavailable>) + 75 at qreadwritelock.cpp:514
    frame #9: 0x000000010b73832b
QtCore`QReadWriteLock::tryLockForWrite(this=0x00007fd22856b7b0, timeout=-1) +
427 at qreadwritelock.cpp:381
    frame #10: 0x00000001307a6adc
kdevcmakemanager.so`CMakeManager::~CMakeManager(this=0xffffffff2856bab0,
vtt=0x00000001307ce460) + 108 at cmakemanager.cpp:108
    frame #11: 0x00000001307a6c95
kdevcmakemanager.so`CMakeManager::~CMakeManager() [inlined]
CMakeManager::~CMakeManager(this=0x00007fd22856bab0) + 12 at
cmakemanager.cpp:107
    frame #12: 0x00000001307a6c89
kdevcmakemanager.so`CMakeManager::~CMakeManager(this=0x00007fd22856bab0) + 9 at
cmakemanager.cpp:107
    frame #13: 0x000000010848326d
libKDevPlatformShell.52.dylib`KDevelop::PluginController::unloadPlugin(this=0x00007fd221e48fb0,
plugin=0x00007fd22856bab0, deletion=Now) + 765 at plugincontroller.cpp:471
    frame #14: 0x0000000108482f43
libKDevPlatformShell.52.dylib`KDevelop::PluginController::cleanup(this=0x00007fd221e48fb0)
+ 211 at plugincontroller.cpp:352
    frame #15: 0x00000001084953eb
libKDevPlatformShell.52.dylib`KDevelop::Core::cleanup(this=0x00007fd221cf0d10)
+ 587 at core.cpp:431
    frame #16: 0x0000000108494e4b
libKDevPlatformShell.52.dylib`KDevelop::Core::shutdown(this=0x00007fd221cf0d10)
+ 107 at core.cpp:387
    frame #17: 0x000000010b93dae8 QtCore`QMetaObject::activate(QObject*, int,
int, void**) [inlined] QtPrivate::QSlotObjectBase::call(this=<unavailable>,
r=<unavailable>, a=<unavailable>) + 1992 at qobject_impl.h:101
    frame #18: 0x000000010b93dacc
QtCore`QMetaObject::activate(sender=0x00007fff578dee70,
signalOffset=<unavailable>, local_signal_index=<unavailable>,
argv=<unavailable>) + 1964 at qobject.cpp:3754
    frame #19: 0x000000010b90ca6f QtCore`QCoreApplication::exec() [inlined]
QCoreApplication::aboutToQuit(this=<unavailable>) + 463 at
moc_qcoreapplication.cpp:248
    frame #20: 0x000000010b90ca49 QtCore`QCoreApplication::exec() [inlined]
QCoreApplicationPrivate::execCleanup(this=<unavailable>,
this=0x00007fd221e023d0) + 24 at qcoreapplication.cpp:1316
    frame #21: 0x000000010b90ca31 QtCore`QCoreApplication::exec() + 401 at
qcoreapplication.cpp:1300
    frame #22: 0x0000000108339026 kdevelop.bin`main(argc=<unavailable>,
argv=0x00007fff578df0e0) + 52374 at main.cpp:947
    frame #23: 0x00007fff902cc5fd libdyld.dylib`start + 1

  thread #2: tid = 0x1187e28, 0x00007fff8f763662
libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x00007fff8f763662 libsystem_kernel.dylib`kevent64 + 10
    frame #1: 0x00007fff93ab2421 libdispatch.dylib`_dispatch_mgr_invoke + 239
    frame #2: 0x00007fff93ab2136 libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #3: tid = 0x1187e4d, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'QDBusConnectionManager'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961440 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd221d2f848, nfds=2) + 576 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961435 QtCore`qt_safe_poll(fds=0x00007fd221d2f848,
nfds=2, timeout_ts=<unavailable>) + 565 at qcore_unix.cpp:102
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x00000001163c4e28, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x000000010a307f73
QtDBus`QDBusConnectionManager::run(this=0x00007fd221d29360) + 19 at
qdbusconnection.cpp:178
    frame #8: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd221d29360) + 368 at
qthread_unix.cpp:368
    frame #9: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #4: tid = 0x1187e87, 0x00007fff8f75ea1a
libsystem_kernel.dylib`mach_msg_trap + 10
    frame #0: 0x00007fff8f75ea1a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8f75dd18 libsystem_kernel.dylib`mach_msg + 64
    frame #2: 0x00007fff9a115f15 CoreFoundation`__CFRunLoopServiceMachPort +
181
    frame #3: 0x00007fff9a115539 CoreFoundation`__CFRunLoopRun + 1161
    frame #4: 0x00007fff9a114e75 CoreFoundation`CFRunLoopRunSpecific + 309
    frame #5: 0x00007fff8ec1d05e AppKit`_NSEventThread + 144
    frame #6: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #7: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #8: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #5: tid = 0x1187f0a, 0x00007fff8f762e22 libsystem_kernel.dylib`__wait4
+ 10, name = 'QThread'
    frame #0: 0x00007fff8f762e22 libsystem_kernel.dylib`__wait4 + 10
    frame #1: 0x00000001086c5d1e libKF5Crash.5.dylib`KCrash::startProcess(int,
char const**, bool) [inlined] startProcessInternal(argc=<unavailable>,
directly=<unavailable>) + 125 at kcrash.cpp:649
    frame #2: 0x00000001086c5ca1
libKF5Crash.5.dylib`KCrash::startProcess(argc=<unavailable>,
argv=<unavailable>, waitAndExit=<unavailable>) + 17 at kcrash.cpp:631
    frame #3: 0x00000001086c5ae5
libKF5Crash.5.dylib`KCrash::defaultCrashHandler(sig=11) + 1061 at
kcrash.cpp:528
    frame #4: 0x00007fff9252a5aa libsystem_platform.dylib`_sigtramp + 26
    frame #5: 0x000000010b7385b4
QtCore`QReadWriteLock::unlock(this=0x00007fd22861c050) + 84 at
qreadwritelock.cpp:417
    frame #6: 0x000000010c0751c8
libKDevPlatformLanguage.52.dylib`KDevelop::DUChainPrivate::doMoreCleanup(int,
KDevelop::DUChainPrivate::LockFlag) + 5800
    frame #7: 0x000000010b93dae8 QtCore`QMetaObject::activate(QObject*, int,
int, void**) [inlined] QtPrivate::QSlotObjectBase::call(this=<unavailable>,
r=<unavailable>, a=<unavailable>) + 1992 at qobject_impl.h:101
    frame #8: 0x000000010b93dacc
QtCore`QMetaObject::activate(sender=0x0000000122385e38,
signalOffset=<unavailable>, local_signal_index=<unavailable>,
argv=<unavailable>) + 1964 at qobject.cpp:3754
    frame #9: 0x000000010b945ae3 QtCore`QTimer::timerEvent(QTimerEvent*)
[inlined] QTimer::timeout(this=<unavailable>) + 99 at moc_qtimer.cpp:200
    frame #10: 0x000000010b945abe QtCore`QTimer::timerEvent(this=<unavailable>,
e=<unavailable>) + 62 at qtimer.cpp:255
    frame #11: 0x000000010b936210
QtCore`QObject::event(this=0x0000000122385e38, e=<unavailable>) + 48 at
qobject.cpp:1232
    frame #12: 0x000000010a8fdb2d
QtWidgets`QApplicationPrivate::notify_helper(this=<unavailable>,
receiver=0x0000000122385e38, e=0x0000000122385c58) + 269 at
qapplication.cpp:3722
    frame #13: 0x000000010a900e02
QtWidgets`QApplication::notify(this=<unavailable>, receiver=<unavailable>,
e=<unavailable>) + 8210 at qapplication.cpp:3685
    frame #14: 0x000000010b90c357
QtCore`QCoreApplication::notifyInternal2(receiver=0x0000000122385e38,
event=0x0000000122385c58) + 167 at qcoreapplication.cpp:1023
    frame #15: 0x000000010b964451 QtCore`QTimerInfoList::activateTimers()
[inlined] QCoreApplication::sendEvent(receiver=<unavailable>,
event=0x000000010bb28390) + 1201 at qcoreapplication.h:233
    frame #16: 0x000000010b964444
QtCore`QTimerInfoList::activateTimers(this=0x00007fd224d1ede0) + 1188 at
qtimerinfo_unix.cpp:643
    frame #17: 0x000000010b96292f
QtCore`QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
[inlined] QEventDispatcherUNIXPrivate::activateTimers() + 911 at
qeventdispatcher_unix.cpp:249
    frame #18: 0x000000010b962920
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 896 at qeventdispatcher_unix.cpp:514
    frame #19: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #20: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x0000000122385dd8, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #21: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) +
117 at qthread.cpp:515
    frame #22: 0x000000010c08099f
libKDevPlatformLanguage.52.dylib`KDevelop::DUChainPrivate::CleanupThread::run()
+ 159
    frame #23: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd224a696a0) + 368 at
qthread_unix.cpp:368
    frame #24: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #25: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #26: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #6: tid = 0x1187f0f, 0x00007fff8f7629aa
libsystem_kernel.dylib`__select + 10, name = 'com.apple.CFSocket.private'
    frame #0: 0x00007fff8f7629aa libsystem_kernel.dylib`__select + 10
    frame #1: 0x00007fff9a161a03 CoreFoundation`__CFSocketManager + 867
    frame #2: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #3: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #4: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #7: tid = 0x1187f17, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'OutputFilterThread'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961440 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd224d506c8, nfds=1) + 576 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961435 QtCore`qt_safe_poll(fds=0x00007fd224d506c8,
nfds=1, timeout_ts=<unavailable>) + 565 at qcore_unix.cpp:102
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x000000012284ce58, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd224a87bd8) + 368 at
qthread_unix.cpp:368
    frame #8: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #8: tid = 0x1187f20, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'Qt bearer thread'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961270 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd2242a9c28, nfds=1) + 112 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961240 QtCore`qt_safe_poll(fds=0x00007fd2242a9c28,
nfds=1, timeout_ts=0x0000000123181d50) + 64 at qcore_unix.cpp:111
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x0000000123181e58, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd224a4dfe0) + 368 at
qthread_unix.cpp:368
    frame #8: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #9: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #10: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #9: tid = 0x1187f26, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'QQmlThread'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961440 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd224d830b8, nfds=1) + 576 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961435 QtCore`qt_safe_poll(fds=0x00007fd224d830b8,
nfds=1, timeout_ts=<unavailable>) + 565 at qcore_unix.cpp:102
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x00000001233f9e38, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x0000000109572fc9
QtQml`QQmlThreadPrivate::run(this=0x00007fd225302c40) + 57 at
qqmlthread.cpp:147
    frame #8: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd225302c40) + 368 at
qthread_unix.cpp:368
    frame #9: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #10: tid = 0x1187f2e, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'KDevelop::CompletionWorkerThread'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961440 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd225009058, nfds=1) + 576 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961435 QtCore`qt_safe_poll(fds=0x00007fd225009058,
nfds=1, timeout_ts=<unavailable>) + 565 at qcore_unix.cpp:102
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x0000000127e00da8, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x000000010c181bc9
libKDevPlatformLanguage.52.dylib`KDevelop::CompletionWorkerThread::run() + 313
    frame #8: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd2251f3790) + 368 at
qthread_unix.cpp:368
    frame #9: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #11: tid = 0x1187fc2, 0x00007fff8f762716
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Queue(0x7fd224267460)[01]'
    frame #0: 0x00007fff8f762716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8d869c3b libsystem_pthread.dylib`_pthread_cond_wait +
727
    frame #2: 0x000000010b73f76b
QtCore`QWaitConditionPrivate::wait(this=0x00007fd2242644a0, time=<unavailable>)
+ 75 at qwaitcondition_unix.cpp:143
    frame #3: 0x000000010b73f61b
QtCore`QWaitCondition::wait(this=0x00007fd2242674b8, mutex=0x00007fd224253ba0,
time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:215
    frame #4: 0x000000010d03c980
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*)
[inlined]
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(this=<unavailable>,
th=<unavailable>) + 96 at weaver.cpp:594
    frame #5: 0x000000010d03c969
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(this=<unavailable>,
th=<unavailable>) + 73 at weaver.cpp:581
    frame #6: 0x000000010d04147a libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::SuspendedState::applyForWork(ThreadWeaver::Thread*, bool)
[inlined] ThreadWeaver::SuspendedState::applyForWork(th=0x00007fd228e5c8f0) +
28 at suspendedstate.cpp:56
    frame #7: 0x000000010d04145e libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::SuspendedState::applyForWork(this=0x00007fd2242722d8,
th=0x00007fd228e5c8f0, wasBusy=false) + 30 at suspendedstate.cpp:58
    frame #8: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #9: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #10: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #11: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #12: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #13: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #14: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #15: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #16: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #17: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #18: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #19: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #20: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=true) + 50 at weaver.cpp:568
    frame #21: 0x000000010d03ea06
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Thread::run(this=0x00007fd228e5c8f0) +
118 at thread.cpp:103
    frame #22: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd228e5c8f0) + 368 at
qthread_unix.cpp:368
    frame #23: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #24: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #25: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #12: tid = 0x1187fc3, 0x00007fff8f762716
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Queue(0x7fd224267460)[02]'
    frame #0: 0x00007fff8f762716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8d869c3b libsystem_pthread.dylib`_pthread_cond_wait +
727
    frame #2: 0x000000010b73f76b
QtCore`QWaitConditionPrivate::wait(this=0x00007fd2242644a0, time=<unavailable>)
+ 75 at qwaitcondition_unix.cpp:143
    frame #3: 0x000000010b73f61b
QtCore`QWaitCondition::wait(this=0x00007fd2242674b8, mutex=0x00007fd224253ba0,
time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:215
    frame #4: 0x000000010d03c980
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*)
[inlined]
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(this=<unavailable>,
th=<unavailable>) + 96 at weaver.cpp:594
    frame #5: 0x000000010d03c969
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(this=<unavailable>,
th=<unavailable>) + 73 at weaver.cpp:581
    frame #6: 0x000000010d04126d
libKF5ThreadWeaver.5.dylib`ThreadWeaver::SuspendingState::applyForWork(this=0x00007fd224267730,
th=0x00007fd2280b6950, wasBusy=<unavailable>) + 157 at suspendingstate.cpp:61
    frame #7: 0x000000010d0412c5 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::SuspendingState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at suspendingstate.cpp:63
    frame #8: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #9: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #10: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #11: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #12: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #13: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #14: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=true) + 50 at weaver.cpp:568
    frame #15: 0x000000010d03ea06
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Thread::run(this=0x00007fd2280b6950) +
118 at thread.cpp:103
    frame #16: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd2280b6950) + 368 at
qthread_unix.cpp:368
    frame #17: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #18: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #19: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #13: tid = 0x1187fc4, 0x00007fff8f762716
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Queue(0x7fd224267460)[03]'
    frame #0: 0x00007fff8f762716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8d869c3b libsystem_pthread.dylib`_pthread_cond_wait +
727
    frame #2: 0x000000010b73f76b
QtCore`QWaitConditionPrivate::wait(this=0x00007fd2242644a0, time=<unavailable>)
+ 75 at qwaitcondition_unix.cpp:143
    frame #3: 0x000000010b73f61b
QtCore`QWaitCondition::wait(this=0x00007fd2242674b8, mutex=0x00007fd224253ba0,
time=18446744073709551615) + 155 at qwaitcondition_unix.cpp:215
    frame #4: 0x000000010d03c980
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*)
[inlined]
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(this=<unavailable>,
th=<unavailable>) + 96 at weaver.cpp:594
    frame #5: 0x000000010d03c969
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned(this=<unavailable>,
th=<unavailable>) + 73 at weaver.cpp:581
    frame #6: 0x000000010d04147a libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::SuspendedState::applyForWork(ThreadWeaver::Thread*, bool)
[inlined] ThreadWeaver::SuspendedState::applyForWork(th=0x00007fd224b44180) +
28 at suspendedstate.cpp:56
    frame #7: 0x000000010d04145e libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::SuspendedState::applyForWork(this=0x00007fd2242722d8,
th=0x00007fd224b44180, wasBusy=false) + 30 at suspendedstate.cpp:58
    frame #8: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=false) + 50 at weaver.cpp:568
    frame #9: 0x000000010d040fd5
libKF5ThreadWeaver.5.dylib`ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 133 at workinghardstate.cpp:73
    frame #10: 0x000000010d041095 libKF5ThreadWeaver.5.dylib`non-virtual thunk
to ThreadWeaver::WorkingHardState::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=<unavailable>) + 21 at workinghardstate.cpp:75
    frame #11: 0x000000010d03c862
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Weaver::applyForWork(this=<unavailable>,
th=<unavailable>, wasBusy=true) + 50 at weaver.cpp:568
    frame #12: 0x000000010d03ea06
libKF5ThreadWeaver.5.dylib`ThreadWeaver::Thread::run(this=0x00007fd224b44180) +
118 at thread.cpp:103
    frame #13: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd224b44180) + 368 at
qthread_unix.cpp:368
    frame #14: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #15: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #16: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #14: tid = 0x1188103, 0x00007fff8f762716
libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff8f762716 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff8d869c3b libsystem_pthread.dylib`_pthread_cond_wait +
727
    frame #2: 0x00000001100bcc37 libleveldb.dylib`leveldb::(anonymous
namespace)::PosixEnv::BGThreadWrapper(void*) + 54 at env_posix.cc:694
    frame #3: 0x00000001100bcc01 libleveldb.dylib`leveldb::(anonymous
namespace)::PosixEnv::BGThreadWrapper(arg=0x00007fd2251f63a0) + 17 at
env_posix.cc:609
    frame #4: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #5: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #6: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #15: tid = 0x118819a, 0x00007fff8f76394a libsystem_kernel.dylib`poll +
10, name = 'QQuickXmlQueryEngine'
    frame #0: 0x00007fff8f76394a libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010b961440 QtCore`qt_safe_poll(pollfd*, unsigned int,
timespec const*) [inlined] qt_ppoll(fds=0x00007fd22c2e1758, nfds=1) + 576 at
qcore_unix.cpp:83
    frame #2: 0x000000010b961435 QtCore`qt_safe_poll(fds=0x00007fd22c2e1758,
nfds=1, timeout_ts=<unavailable>) + 565 at qcore_unix.cpp:102
    frame #3: 0x000000010b962910
QtCore`QEventDispatcherUNIX::processEvents(this=<unavailable>,
flags=<unavailable>) + 880 at qeventdispatcher_unix.cpp:500
    frame #4: 0x000000010b907f81
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 401 at
qeventloop.cpp:134
    frame #5: 0x000000010b907f64
QtCore`QEventLoop::exec(this=0x00000001348f4e28, flags=<unavailable>) + 372 at
qeventloop.cpp:212
    frame #6: 0x000000010b73a355 QtCore`QThread::exec(this=<unavailable>) + 117
at qthread.cpp:515
    frame #7: 0x0000000134a6110a
libqmlxmllistmodelplugin.dylib`QQuickXmlQueryEngine::run(this=0x00007fd22d8c1010)
+ 90 at qqmlxmllistmodel.cpp:323
    frame #8: 0x000000010b73e120
QtCore`QThreadPrivate::start(arg=0x00007fd22d8c1010) + 368 at
qthread_unix.cpp:368
    frame #9: 0x00007fff8d867899 libsystem_pthread.dylib`_pthread_body + 138
    frame #10: 0x00007fff8d86772a libsystem_pthread.dylib`_pthread_start + 137
    frame #11: 0x00007fff8d86bfc9 libsystem_pthread.dylib`thread_start + 13

  thread #16: tid = 0x1191299, 0x00007fff8f762e6a
libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8f762e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8d868f08 libsystem_pthread.dylib`_pthread_wqthread +
330
    frame #2: 0x00007fff8d86bfb9 libsystem_pthread.dylib`start_wqthread + 13

  thread #17: tid = 0x119129b, 0x00007fff8f762e6a
libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8f762e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8d868f08 libsystem_pthread.dylib`_pthread_wqthread +
330
    frame #2: 0x00007fff8d86bfb9 libsystem_pthread.dylib`start_wqthread + 13
(lldb) detach
Process 16565 detached

Possible duplicates by query: bug 392742, bug 392698, bug 392638, bug 392601,
bug 392564.

Reported using DrKonqi

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