Bug 399460

Application: kwin_x11 (5.13.4)

Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.18.11-200.fc28.i686 i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
I have litterally started my machine and this error popped out

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb0c4cdc0 (LWP 1180))]

Thread 5 (Thread 0xa56cab40 (LWP 1419)):
#0  0xb7eded21 in __kernel_vsyscall ()
#1  0xb6023782 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb783fbec in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib/libQt5Script.so.5
#3  0xb783fc64 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib/libQt5Script.so.5
#4  0xb601d3b0 in start_thread () from /lib/libpthread.so.0
#5  0xb477c306 in clone () from /lib/libc.so.6

Thread 4 (Thread 0xa72f5b40 (LWP 1371)):
#0  0xb7eded21 in __kernel_vsyscall ()
#1  0xb6023782 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xab2de98a in util_queue_thread_func () from /usr/lib/dri/r300_dri.so
#3  0xb601d3b0 in start_thread () from /lib/libpthread.so.0
#4  0xb477c306 in clone () from /lib/libc.so.6

Thread 3 (Thread 0xad8fdb40 (LWP 1362)):
#0  0xb7eded21 in __kernel_vsyscall ()
#1  0xb4772d6c in ppoll () from /lib/libc.so.6
#2  0xb4d79395 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib/libQt5Core.so.5
#3  0xb4d7a5c4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#4  0xb4d24d9f in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#5  0xb4b90771 in QThread::exec() () from /lib/libQt5Core.so.5
#6  0xb6e9ce53 in QQmlThreadPrivate::run() () from /lib/sse2/libQt5Qml.so.5
#7  0xb4b9b2a9 in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#8  0xb601d3b0 in start_thread () from /lib/libpthread.so.0
#9  0xb477c306 in clone () from /lib/libc.so.6

Thread 2 (Thread 0xaf72fb40 (LWP 1325)):
#0  0xb7eded21 in __kernel_vsyscall ()
#1  0xb4772d6c in ppoll () from /lib/libc.so.6
#2  0xb4d79395 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /lib/libQt5Core.so.5
#3  0xb4d7a5c4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#4  0xb4d24d9f in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#5  0xb4b90771 in QThread::exec() () from /lib/libQt5Core.so.5
#6  0xb6449180 in QDBusConnectionManager::run() () from /lib/libQt5DBus.so.5
#7  0xb4b9b2a9 in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#8  0xb601d3b0 in start_thread () from /lib/libpthread.so.0
#9  0xb477c306 in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb0c4cdc0 (LWP 1180)):
[KCrash Handler]
#7  0xa589c265 in ?? ()
#8  0xab4a0f1d in llvm_pipeline_generic.constprop () from /usr/lib/dri/r300_dri.so
#9  0xab4a14b3 in llvm_middle_end_linear_run () from /usr/lib/dri/r300_dri.so
#10 0xab3b3652 in vsplit_run_linear () from /usr/lib/dri/r300_dri.so
#11 0xab3ac477 in draw_pt_arrays () from /usr/lib/dri/r300_dri.so
#12 0xab3ac9b2 in draw_vbo () from /usr/lib/dri/r300_dri.so
#13 0xab5e1763 in r300_swtcl_draw_vbo () from /usr/lib/dri/r300_dri.so
#14 0xab39bbcc in cso_draw_arrays () from /usr/lib/dri/r300_dri.so
#15 0xab1fdcd9 in st_draw_quad () from /usr/lib/dri/r300_dri.so
#16 0xab1e72b3 in st_Clear () from /usr/lib/dri/r300_dri.so
#17 0xab031dad in _mesa_Clear () from /usr/lib/dri/r300_dri.so
#18 0xb5f8fc49 in KWin::GLTexture::clear() () from /lib/libkwinglutils.so.11
#19 0xac6a0eef in KWin::SceneOpenGLDecorationRenderer::resizeTexture() () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#20 0xac6a9f03 in KWin::SceneOpenGLDecorationRenderer::render() () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#21 0xac69ed85 in KWin::SceneOpenGL::Window::getDecorationTexture() const () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#22 0xac69ef5d in KWin::SceneOpenGL2Window::setupLeafNodes(KWin::SceneOpenGL2Window::LeafNode*, KWin::WindowQuadList const*, KWin::WindowPaintData const&) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#23 0xac6a2e07 in KWin::SceneOpenGL2Window::performPaint(int, QRegion, KWin::WindowPaintData) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#24 0xac6ac60c in KWin::SceneOpenGL2::performPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#25 0xac6ac752 in KWin::SceneOpenGL2::finalDrawWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#26 0xb7ca8c90 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#27 0xb7a778f6 in KWin::ContrastEffect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin4_effect_builtins.so.1
#28 0xb7ca8c34 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#29 0xb79df39c in KWin::BlurEffect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin4_effect_builtins.so.1
#30 0xb7ca8c34 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#31 0xb7b0a941 in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwineffects.so.11
#32 0xb7ca8c34 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#33 0xb7c93e31 in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#34 0xb7ca8ad3 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#35 0xb7b0a7b1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwineffects.so.11
#36 0xb7ca8a84 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#37 0xb7b0a7b1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwineffects.so.11
#38 0xb7ca8a84 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#39 0xb7b173fa in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwineffects.so.11
#40 0xb7ca8a84 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () from /lib/libkwin.so.5
#41 0xb7c9aba8 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () from /lib/libkwin.so.5
#42 0xb7c96c07 in KWin::Scene::paintSimpleScreen(int, QRegion) () from /lib/libkwin.so.5
#43 0xac69e8b2 in KWin::SceneOpenGL2::paintSimpleScreen(int, QRegion) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#44 0xb7c9a0af in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwin.so.5
#45 0xb7ca8845 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwin.so.5
#46 0xb7b0a6e2 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwineffects.so.11
#47 0xb7ca87f5 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwin.so.5
#48 0xb7b0a6e2 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwineffects.so.11
#49 0xb7ca87f5 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwin.so.5
#50 0xb7b0a6e2 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwineffects.so.11
#51 0xb7ca87f5 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /lib/libkwin.so.5
#52 0xb7c99da6 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () from /lib/libkwin.so.5
#53 0xac6a68dd in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () from /usr/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#54 0xb7c8a1f8 in KWin::Compositor::performCompositing() () from /lib/libkwin.so.5
#55 0xb7c8dc91 in KWin::Compositor::timerEvent(QTimerEvent*) () from /lib/libkwin.so.5
#56 0xb4d51936 in QObject::event(QEvent*) () from /lib/libQt5Core.so.5
#57 0xb568122a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5
#58 0xb5689279 in QApplication::notify(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5
#59 0xb7eb492e in KWin::ApplicationX11::notify(QObject*, QEvent*) () from /lib/libkdeinit5_kwin_x11.so
#60 0xb4d260a6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/libQt5Core.so.5
#61 0xb4d7c5b4 in QTimerInfoList::activateTimers() () from /lib/libQt5Core.so.5
#62 0xb4d79940 in QEventDispatcherUNIXPrivate::activateTimers() () from /lib/libQt5Core.so.5
#63 0xb4d7a71c in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#64 0xb06dce83 in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5XcbQpa.so.5
#65 0xb4d24d9f in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#66 0xb4d2d622 in QCoreApplication::exec() () from /lib/libQt5Core.so.5
#67 0xb50c2785 in QGuiApplication::exec() () from /lib/libQt5Gui.so.5
#68 0xb5681198 in QApplication::exec() () from /lib/libQt5Widgets.so.5
#69 0xb7eb5eb4 in kdemain () from /lib/libkdeinit5_kwin_x11.so
#70 0x00413a7b in main ()

Reported using DrKonqi