Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa9d6b8dc00 (LWP 2731))] Thread 5 (Thread 0x7fa9ba391700 (LWP 2919)): #0 0x00007fa9e486db36 in ppoll () from /lib64/libc.so.6 #1 0x00007fa9e571d360 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5 #2 0x00007fa9e571e589 in QEventDispatcherUNIX::processEvents(QFlags) () from /lib64/libQt5Core.so.5 #3 0x00007fa9e56cd0ab in QEventLoop::exec(QFlags) () from /lib64/libQt5Core.so.5 #4 0x00007fa9e552bc72 in QThread::exec() () from /lib64/libQt5Core.so.5 #5 0x00007fa9e552cfa6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #6 0x00007fa9e7b1814a in start_thread () from /lib64/libpthread.so.0 #7 0x00007fa9e4878dc3 in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7fa9bb7fe700 (LWP 2917)): #0 0x00007fa9e486db36 in ppoll () from /lib64/libc.so.6 #1 0x00007fa9e571d445 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib64/libQt5Core.so.5 #2 0x00007fa9e571e589 in QEventDispatcherUNIX::processEvents(QFlags) () from /lib64/libQt5Core.so.5 #3 0x00007fa9e56cd0ab in QEventLoop::exec(QFlags) () from /lib64/libQt5Core.so.5 #4 0x00007fa9e552bc72 in QThread::exec() () from /lib64/libQt5Core.so.5 #5 0x00007fa9eccd8af9 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5 #6 0x00007fa9e552cfa6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #7 0x00007fa9e7b1814a in start_thread () from /lib64/libpthread.so.0 #8 0x00007fa9e4878dc3 in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7fa9bbfff700 (LWP 2806)): #0 0x00007fa9e7b1e6e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa9e5532b6e in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt5Core.so.5 #2 0x00007fa9e5532c8a in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5 #3 0x00007fa9e55308b9 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5 #4 0x00007fa9e552cfa6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007fa9e7b1814a in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa9e4878dc3 in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fa9c2b4b700 (LWP 2792)): #0 0x00007fa9e552d286 in QMutex::lock() () from /lib64/libQt5Core.so.5 #1 0x00007fa9e56d15f4 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #2 0x00007fa9e571e3ff in QEventDispatcherUNIX::processEvents(QFlags) () from /lib64/libQt5Core.so.5 #3 0x00007fa9e56cd0ab in QEventLoop::exec(QFlags) () from /lib64/libQt5Core.so.5 #4 0x00007fa9e552bc72 in QThread::exec() () from /lib64/libQt5Core.so.5 #5 0x00007fa9eecd8ec9 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5 #6 0x00007fa9e552cfa6 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #7 0x00007fa9e7b1814a in start_thread () from /lib64/libpthread.so.0 #8 0x00007fa9e4878dc3 in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fa9d6b8dc00 (LWP 2731)): [KCrash Handler] #6 0x0000000000000000 in ?? () #7 0x00007fa9c212fcc2 in KWin::GlxBackend::init() [clone .part.266] () from /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so #8 0x00007fa9c2130115 in KWin::GlxBackend::init() () from /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so #9 0x00007fa9ba3a6b1e in KWin::SceneOpenGL::createScene(QObject*) () from /usr/lib64/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #10 0x00007fa9ba3a933d in KWin::OpenGLFactory::create(QObject*) const () from /usr/lib64/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #11 0x00007fa9ee558c53 in KWin::Compositor::setupStart() [clone .part.171] () from /lib64/libkwin.so.5 #12 0x00007fa9ee559bf6 in KWin::X11Compositor::start() () from /lib64/libkwin.so.5 #13 0x00007fa9e57031fa in QSingleShotTimer::timerEvent(QTimerEvent*) () from /lib64/libQt5Core.so.5 #14 0x00007fa9e56f814b in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #15 0x00007fa9e60185d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #16 0x00007fa9e601faf0 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #17 0x00007fa9e56ce246 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #18 0x00007fa9e5720364 in QTimerInfoList::activateTimers() () from /lib64/libQt5Core.so.5 #19 0x00007fa9e571e6ac in QEventDispatcherUNIX::processEvents(QFlags) () from /lib64/libQt5Core.so.5 #20 0x00007fa9c9aae4f2 in QXcbUnixEventDispatcher::processEvents(QFlags) () from /lib64/libQt5XcbQpa.so.5 #21 0x00007fa9e56cd0ab in QEventLoop::exec(QFlags) () from /lib64/libQt5Core.so.5 #22 0x00007fa9e56d50c6 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #23 0x00007fa9ee9d4281 in kdemain () from /lib64/libkdeinit5_kwin_x11.so #24 0x00007fa9e479f493 in __libc_start_main () from /lib64/libc.so.6 #25 0x000055cd09543cae in _start () [Inferior 1 (process 2731) detached]