Application: kwin_x11 (5.8.5) Qt Version: 5.7.1 Frameworks Version: 5.29.0 Operating System: Linux 4.8.15-1-MANJARO x86_64 Distribution: "Manjaro Linux" -- Information about the crash: - What I was doing when the application crashed: I was watching a video and when I pressed custom keyboard shortcut (left arrow) to jump backwards whole screen froze. No mouse was displayed and there was also no sound. The only thing that workded was ctrl+alt+F2 to witch to other terminal. After switching back video continued to play and whole desktop worked correctly. There was just notification in system tray about crash of Kwin. I am using KDE sping of Manjaro The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f9ef437d840 (LWP 939))] Thread 4 (Thread 0x7f9eb3736700 (LWP 1082)): #0 0x00007f9eed03f10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f9ef03b51f4 in () at /usr/lib/libQt5Script.so.5 #2 0x00007f9ef03b5239 in () at /usr/lib/libQt5Script.so.5 #3 0x00007f9eed039454 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007f9ef3dc97df in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7f9ed210c700 (LWP 1028)): #0 0x00007f9ef3dc0551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f9ef146f5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f9ef1470efa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f9ef141dd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f9ef1240063 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f9eebd93e75 in () at /usr/lib/libQt5Qml.so.5 #6 0x00007f9ef1244cf8 in () at /usr/lib/libQt5Core.so.5 #7 0x00007f9eed039454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007f9ef3dc97df in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7f9ed8a6a700 (LWP 977)): #0 0x00007f9ef3dc0551 in ppoll () at /usr/lib/libc.so.6 #1 0x00007f9ef146f5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5 #2 0x00007f9ef1470efa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #3 0x00007f9ef141dd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007f9ef1240063 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #5 0x00007f9eeaf5dde5 in () at /usr/lib/libQt5DBus.so.5 #6 0x00007f9ef1244cf8 in () at /usr/lib/libQt5Core.so.5 #7 0x00007f9eed039454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007f9ef3dc97df in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7f9ef437d840 (LWP 939)): [KCrash Handler] #6 0x00007f9ebf405440 in () at /usr/lib/libnvidia-glcore.so.375.26 #7 0x00007f9ebf31b641 in () at /usr/lib/libnvidia-glcore.so.375.26 #8 0x00007f9ebf325396 in () at /usr/lib/libnvidia-glcore.so.375.26 #9 0x00007f9ebef7bdb9 in () at /usr/lib/libnvidia-glcore.so.375.26 #10 0x00007f9ef396bfbe in KWin::SceneOpenGL::insertWait() () at /usr/lib/libkwin.so.5 #11 0x00007f9ef3975f69 in KWin::SceneOpenGL::Window::bindTexture() () at /usr/lib/libkwin.so.5 #12 0x00007f9ef397684f in () at /usr/lib/libkwin.so.5 #13 0x00007f9ef3976b88 in () at /usr/lib/libkwin.so.5 #14 0x00007f9ef39756f2 in () at /usr/lib/libkwin.so.5 #15 0x00007f9ef39758e0 in () at /usr/lib/libkwin.so.5 #16 0x00007f9ef398acf9 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #17 0x00007f9ef0784da5 in () at /usr/lib/libkwin4_effect_builtins.so.1 #18 0x00007f9ef398ac8e in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #19 0x00007f9ef06ecda2 in () at /usr/lib/libkwin4_effect_builtins.so.1 #20 0x00007f9ef398ac8e in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #21 0x00007f9ef3953fc1 in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #22 0x00007f9ef398a98a in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #23 0x00007f9ef0be86b1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.9 #24 0x00007f9ef398a92e in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #25 0x00007f9ef0be86b1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.9 #26 0x00007f9ef398a92e in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5 #27 0x00007f9ef395ba99 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5 #28 0x00007f9ef395824b in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/lib/libkwin.so.5 #29 0x00007f9ef396cb23 in () at /usr/lib/libkwin.so.5 #30 0x00007f9ef395aea4 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5 #31 0x00007f9ef398a70f in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5 #32 0x00007f9ef0be85ff in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.9 #33 0x00007f9ef398a6ba in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5 #34 0x00007f9ef0be85ff in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.9 #35 0x00007f9ef398a6ba in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5 #36 0x00007f9ef395ab4d in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&) () at /usr/lib/libkwin.so.5 #37 0x00007f9ef39713a8 in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/libkwin.so.5 #38 0x00007f9ef394aab7 in KWin::Compositor::performCompositing() () at /usr/lib/libkwin.so.5 #39 0x00007f9ef144bee3 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5 #40 0x00007f9ef20f935c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #41 0x00007f9ef2100ad1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #42 0x00007f9ef141f8e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #43 0x00007f9ef147325e in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5 #44 0x00007f9ef147116a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #45 0x00007f9edbae3ddd in () at /usr/lib/libQt5XcbQpa.so.5 #46 0x00007f9ef141dd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #47 0x00007f9ef142623c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #48 0x00007f9ef4088495 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #49 0x00007f9ef3d01291 in __libc_start_main () at /usr/lib/libc.so.6 #50 0x000000000040069a in _start () Reported using DrKonqi
Unfortunately the backtrace is lacking debug symbols. If you are able to reproduce please install the debug packages provided by your distribution (please ask the distribution support channel on how to install them) and attach a new backtrace.
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be 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 If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
Dear Bug Submitter, 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!