Application: kwin_x11 (5.10.5) Qt Version: 5.7.1 Frameworks Version: 5.36.0 Operating System: Linux 4.12.13-300.fc26.i686 i686 Distribution (Platform): Fedora RPMs -- Information about the crash: I was rebooting the laptop when I got THREE error messages saying the kernal had crashed. Then, I got the Kwin crashed message, and was vectored here. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib/libthread_db.so.1". [Current thread is 1 (Thread 0xb1122840 (LWP 1170))] Thread 4 (Thread 0xacbe6b40 (LWP 1373)): [KCrash Handler] #7 0xb4bd16b3 in QLockFilePrivate::tryLock_sys() () from /lib/libQt5Core.so.5 #8 0xb4b705e2 in QLockFile::tryLock(int) () from /lib/libQt5Core.so.5 #9 0xb4b708a4 in QLockFile::lock() () from /lib/libQt5Core.so.5 #10 0xb5c3f3dd in KConfigIniBackend::lock() () from /lib/libKF5ConfigCore.so.5 #11 0xb5c2573f in KConfig::sync() () from /lib/libKF5ConfigCore.so.5 #12 0xaf7da0f5 in QtPrivate::QFunctorSlotObject<KWin::X11StandalonePlatform::createOpenGLSafePoint(KWin::Platform::OpenGLSafePoint)::{lambda()#1}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from /usr/lib/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so #13 0xb4c72613 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/libQt5Core.so.5 #14 0xb4c72b8b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQt5Core.so.5 #15 0xb4cf6d11 in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/libQt5Core.so.5 #16 0xb4c8065b in QTimer::timerEvent(QTimerEvent*) () from /lib/libQt5Core.so.5 #17 0xb4c73438 in QObject::event(QEvent*) () from /lib/libQt5Core.so.5 #18 0xb545c984 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5 #19 0xb5464f67 in QApplication::notify(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5 #20 0xb77806aa in KWin::ApplicationX11::notify(QObject*, QEvent*) () from /lib/libkdeinit5_kwin_x11.so #21 0xb4c44dac in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/libQt5Core.so.5 #22 0xb4ca05b1 in QTimerInfoList::activateTimers() () from /lib/libQt5Core.so.5 #23 0xb4c9d23e in QEventDispatcherUNIXPrivate::activateTimers() () from /lib/libQt5Core.so.5 #24 0xb4c9e55c in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #25 0xb4c43880 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #26 0xb4a71b08 in QThread::exec() () from /lib/libQt5Core.so.5 #27 0xb4a71c5b in QThread::run() () from /lib/libQt5Core.so.5 #28 0xb4a76eaa in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5 #29 0xb5cf62d9 in start_thread () from /lib/libpthread.so.0 #30 0xb4734a96 in clone () from /lib/libc.so.6 Thread 3 (Thread 0xadc8bb40 (LWP 1339)): #0 0xb77b0cd9 in __kernel_vsyscall () #1 0xb47294d4 in ppoll () from /lib/libc.so.6 #2 0xb4c9cc56 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib/libQt5Core.so.5 #3 0xb4c9e3e5 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #4 0xb4c43880 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #5 0xb4a71b08 in QThread::exec() () from /lib/libQt5Core.so.5 #6 0xb6a1a606 in QQmlThreadPrivate::run() () from /lib/sse2/libQt5Qml.so.5 #7 0xb4a76eaa in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5 #8 0xb5cf62d9 in start_thread () from /lib/libpthread.so.0 #9 0xb4734a96 in clone () from /lib/libc.so.6 Thread 2 (Thread 0xb111fb40 (LWP 1202)): #0 0xb77b0cd9 in __kernel_vsyscall () #1 0xb472940f in poll () from /lib/libc.so.6 #2 0xb1cb791b in g_poll () from /lib/libglib-2.0.so.0 #3 0xb1ca734e in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0 #4 0xb1ca74ab in g_main_context_iteration () from /lib/libglib-2.0.so.0 #5 0xb4ca12af in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #6 0xb4c43880 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #7 0xb4a71b08 in QThread::exec() () from /lib/libQt5Core.so.5 #8 0xb60aa3d0 in QDBusConnectionManager::run() () from /lib/libQt5DBus.so.5 #9 0xb4a76eaa in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5 #10 0xb5cf62d9 in start_thread () from /lib/libpthread.so.0 #11 0xb4734a96 in clone () from /lib/libc.so.6 Thread 1 (Thread 0xb1122840 (LWP 1170)): #0 0xb77b0cd9 in __kernel_vsyscall () #1 0xb5cfc9dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0xb4a77768 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib/libQt5Core.so.5 #3 0xb4a7026a in QSemaphore::acquire(int) () from /lib/libQt5Core.so.5 #4 0xb4c72363 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/libQt5Core.so.5 #5 0xb4c72b8b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQt5Core.so.5 #6 0xb4c72c55 in QObject::destroyed(QObject*) () from /lib/libQt5Core.so.5 #7 0xb4c7a3cb in QObject::~QObject() () from /lib/libQt5Core.so.5 #8 0xb60c6c16 in QDBusAbstractInterface::~QDBusAbstractInterface() () from /lib/libQt5DBus.so.5 #9 0xb62c6caa in OrgKdeKglobalaccelComponentInterface::~OrgKdeKglobalaccelComponentInterface() () from /lib/libKF5GlobalAccel.so.5 #10 0xb4c79762 in QObjectPrivate::deleteChildren() () from /lib/libQt5Core.so.5 #11 0xb4c7a7f4 in QObject::~QObject() () from /lib/libQt5Core.so.5 #12 0xb62b337a in KGlobalAccel::~KGlobalAccel() () from /lib/libKF5GlobalAccel.so.5 #13 0xb62b346b in (anonymous namespace)::Q_QGS_s_instance::innerFunction()::Holder::~Holder() () from /lib/libKF5GlobalAccel.so.5 #14 0xb4673a43 in __run_exit_handlers () from /lib/libc.so.6 #15 0xb4673aa1 in exit () from /lib/libc.so.6 #16 0xb0501e34 in QXcbConnection::processXcbEvents() () from /lib/libQt5XcbQpa.so.5 #17 0xb053bbae in QXcbConnection::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.2] () from /lib/libQt5XcbQpa.so.5 #18 0xb4c6ffa9 in QMetaCallEvent::placeMetaCall(QObject*) () from /lib/libQt5Core.so.5 #19 0xb4c735bb in QObject::event(QEvent*) () from /lib/libQt5Core.so.5 #20 0xb05049f8 in QXcbConnection::event(QEvent*) () from /lib/libQt5XcbQpa.so.5 #21 0xb545c984 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5 #22 0xb5464f67 in QApplication::notify(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5 #23 0xb77806aa in KWin::ApplicationX11::notify(QObject*, QEvent*) () from /lib/libkdeinit5_kwin_x11.so #24 0xb4c44dac in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/libQt5Core.so.5 #25 0xb4c4748f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/libQt5Core.so.5 #26 0xb4c9e250 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #27 0xb058d6ca in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5XcbQpa.so.5 #28 0xb4c43880 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5 #29 0xb4c4c61d in QCoreApplication::exec() () from /lib/libQt5Core.so.5 #30 0xb4f53644 in QGuiApplication::exec() () from /lib/libQt5Gui.so.5 #31 0xb545c8c4 in QApplication::exec() () from /lib/libQt5Widgets.so.5 #32 0xb778169e in kdemain () from /lib/libkdeinit5_kwin_x11.so #33 0x004bcaa7 in main () Possible duplicates by query: bug 378631, bug 374755, bug 372114. Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 372114 ***