Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f5b1b188840 (LWP 2874))] Thread 6 (Thread 0x7f5af309e700 (LWP 3005)): #0 0x00007f5b2b80dad2 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f5b2ed8f824 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/libQt5Script.so.5 #2 0x00007f5b2ed8f869 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/libQt5Script.so.5 #3 0x00007f5b2b8067a3 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f5b31e6365f in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7f5af43bd700 (LWP 3000)): #0 0x00007f5b2b80dad2 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f5b0372950b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007f5b03729227 in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007f5b2b8067a3 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f5b31e6365f in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7f5af4bbe700 (LWP 2999)): #0 0x00007f5b2b80dad2 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f5b0372950b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007f5b03729227 in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007f5b2b8067a3 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f5b31e6365f in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7f5b11d7a700 (LWP 2973)): #0 0x00007f5b31e5778b in ppoll () from /lib64/libc.so.6 #1 0x00007f5b2fc6d221 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /usr/lib64/libQt5Core.so.5 #2 0x00007f5b2fc6e4d6 in QEventDispatcherUNIX::processEvents(QFlags) () from /usr/lib64/libQt5Core.so.5 #3 0x00007f5b2fc1ff3a in QEventLoop::exec(QFlags) () from /usr/lib64/libQt5Core.so.5 #4 0x00007f5b2fa7eb33 in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #5 0x00007f5b2a6dae05 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5 #6 0x00007f5b2fa82fd1 in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5 #7 0x00007f5b2b8067a3 in start_thread () from /lib64/libpthread.so.0 #8 0x00007f5b31e6365f in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7f5b13fff700 (LWP 2893)): #0 0x00007f5b31e5778b in ppoll () from /lib64/libc.so.6 #1 0x00007f5b2fc6d221 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /usr/lib64/libQt5Core.so.5 #2 0x00007f5b2fc6e4d6 in QEventDispatcherUNIX::processEvents(QFlags) () from /usr/lib64/libQt5Core.so.5 #3 0x00007f5b2fc1ff3a in QEventLoop::exec(QFlags) () from /usr/lib64/libQt5Core.so.5 #4 0x00007f5b2fa7eb33 in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #5 0x00007f5b324428e3 in QDBusConnectionManager::run() () from /usr/lib64/libQt5DBus.so.5 #6 0x00007f5b2fa82fd1 in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5 #7 0x00007f5b2b8067a3 in start_thread () from /lib64/libpthread.so.0 #8 0x00007f5b31e6365f in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7f5b1b188840 (LWP 2874)): [KCrash Handler] #6 0x00007f5b039615bd in r600_draw_vbo () from /usr/lib64/dri/r600_dri.so #7 0x00007f5b03869ba4 in u_vbuf_draw_vbo () from /usr/lib64/dri/r600_dri.so #8 0x00007f5b03647457 in st_draw_vbo () from /usr/lib64/dri/r600_dri.so #9 0x00007f5b0360a108 in vbo_validated_drawrangeelements () from /usr/lib64/dri/r600_dri.so #10 0x00007f5b0360a89f in vbo_exec_DrawElements () from /usr/lib64/dri/r600_dri.so #11 0x00007f5b2ab96551 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () from /usr/lib64/libQt5Quick.so.5 #12 0x00007f5b2ab97935 in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib64/libQt5Quick.so.5 #13 0x00007f5b2ab9d119 in QSGBatchRenderer::Renderer::render() () from /usr/lib64/libQt5Quick.so.5 #14 0x00007f5b2ab8d942 in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib64/libQt5Quick.so.5 #15 0x00007f5b2ab8de2b in QSGRenderer::renderScene(unsigned int) () from /usr/lib64/libQt5Quick.so.5 #16 0x00007f5b2abc8a0e in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib64/libQt5Quick.so.5 #17 0x00007f5b2ac25420 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib64/libQt5Quick.so.5 #18 0x00007f5b2abbb0e2 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () from /usr/lib64/libQt5Quick.so.5 #19 0x00007f5b2ac2f876 in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5 #20 0x00007f5a6396fb4b in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib64/libKF5PlasmaQuick.so.5 #21 0x00007f5b304fa59c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #22 0x00007f5b3050277a in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #23 0x00007f5b2fc211fa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #24 0x00007f5b2ff897ad in QWindowPrivate::deliverUpdateRequest() () from /usr/lib64/libQt5Gui.so.5 #25 0x00007f5b2ff89d79 in QWindow::event(QEvent*) () from /usr/lib64/libQt5Gui.so.5 #26 0x00007f5b2ac2f815 in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5 #27 0x00007f5a6396fb4b in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib64/libKF5PlasmaQuick.so.5 #28 0x00007f5b304fa59c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #29 0x00007f5b3050277a in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #30 0x00007f5b2fc211fa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #31 0x00007f5b2fc7037b in QTimerInfoList::activateTimers() () from /usr/lib64/libQt5Core.so.5 #32 0x00007f5b2fc6e678 in QEventDispatcherUNIX::processEvents(QFlags) () from /usr/lib64/libQt5Core.so.5 #33 0x00007f5b1aeed92c in QUnixEventDispatcherQPA::processEvents(QFlags) () from /usr/lib64/libQt5XcbQpa.so.5 #34 0x00007f5b2fc1ff3a in QEventLoop::exec(QFlags) () from /usr/lib64/libQt5Core.so.5 #35 0x00007f5b2fc28304 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5 #36 0x00007f5b3212914f in kdemain () from /usr/lib64/libkdeinit5_kwin_x11.so #37 0x00007f5b31d835ad in __libc_start_main () from /lib64/libc.so.6 #38 0x000055cbb514086a in _start ()