Application: kwin_x11 (5.16.2) Qt Version: 5.12.2 Frameworks Version: 5.59.0 Operating System: FreeBSD 12.0-CURRENT amd64 Distribution (Platform): FreeBSD Ports -- Information about the crash: I switched to my X / KDE session from another session (using Ctrl+Alt+F9). The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault [KCrash Handler] #8 0x000000080142979b in () at /usr/local/lib/libkwin4_effect_builtins.so.1 #9 0x000000080142a30f in () at /usr/local/lib/libkwin4_effect_builtins.so.1 #10 0x000000080142a151 in () at /usr/local/lib/libkwin4_effect_builtins.so.1 #11 0x0000000800dd7428 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #12 0x000000080138f6d5 in () at /usr/local/lib/libkwin4_effect_builtins.so.1 #13 0x0000000800dd7428 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #14 0x0000000800dca98f in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #15 0x0000000800dd7086 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #16 0x000000080113ee7f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwineffects.so.12 #17 0x0000000800dd7045 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #18 0x000000080113ee7f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwineffects.so.12 #19 0x0000000800dd7045 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5 #20 0x0000000800dc9af2 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/local/lib/libkwin.so.5 #21 0x0000000800dc8b6b in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/local/lib/libkwin.so.5 #22 0x0000000825cfab55 in () at /usr/local/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #23 0x0000000800dc74c0 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5 #24 0x0000000800dd6e25 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5 #25 0x000000080113edb4 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwineffects.so.12 #26 0x0000000800dd6de7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5 #27 0x000000080113edb4 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwineffects.so.12 #28 0x0000000800dd6de7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5 #29 0x0000000800dc7225 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/local/lib/libkwin.so.5 #30 0x0000000825cf9039 in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/local/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #31 0x0000000800dc0850 in KWin::Compositor::performCompositing() () at /usr/local/lib/libkwin.so.5 #32 0x000000080b4aedd3 in QObject::event(QEvent*) () at /usr/local/lib/qt5/libQt5Core.so.5 #33 0x0000000809f79660 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/local/lib/qt5/libQt5Widgets.so.5 #34 0x0000000809f7ac26 in QApplication::notify(QObject*, QEvent*) () at /usr/local/lib/qt5/libQt5Widgets.so.5 #35 0x000000080b482d80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/local/lib/qt5/libQt5Core.so.5 #36 0x000000080b4dae2f in QTimerInfoList::activateTimers() () at /usr/local/lib/qt5/libQt5Core.so.5 #37 0x000000080b4d9285 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/local/lib/qt5/libQt5Core.so.5 #38 0x000000081b8b2ef4 in () at /usr/local/lib/qt5/libQt5XcbQpa.so.5 #39 0x000000080b47e76e in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/local/lib/qt5/libQt5Core.so.5 #40 0x000000080b48343e in QCoreApplication::exec() () at /usr/local/lib/qt5/libQt5Core.so.5 #41 0x000000080082dbaf in kdemain () at /usr/local/lib/libkdeinit5_kwin_x11.so #42 0x0000000000400bdf in () #43 0x0000000800625000 in () #44 0x0000000000000000 in () [Inferior 1 (process 5017) detached] Reported using DrKonqi
Unfortunately the backtrace lacks debug symbols. Please install kwin debug packages and submit a new backtrace.
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!