Application: kwin_x11 (5.16.5) Qt Version: 5.12.4 Frameworks Version: 5.62.0 Operating System: Linux 5.3.0-29-generic x86_64 Distribution: Ubuntu 19.10 -- Information about the crash: - What I was doing when the application crashed: I just woke up the laptop and logged in. Nothing more. It happened more times, already. I will try to reproduce. The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa1c0057d00 (LWP 1831))] Thread 6 (Thread 0x7fa1af3fe700 (LWP 2200)): #0 0x00007fa1c4d622c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x556e062dad90) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 0x00007fa1c4d622c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x556e062dad40, cond=0x556e062dad68) at pthread_cond_wait.c:508 #2 0x00007fa1c4d622c6 in __pthread_cond_wait (cond=0x556e062dad68, mutex=0x556e062dad40) at pthread_cond_wait.c:638 #3 0x00007fa1c57f3def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa1c57f3ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa1c48897b9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007fa1c4889a1a in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007fa1c57edcc2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fa1c4d5b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007fa1c6f54323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fa1a76b2700 (LWP 1941)): #0 0x00007fa1c4d622c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa1c5370fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 0x00007fa1c4d622c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fa1c5370f68, cond=0x7fa1c5370f90) at pthread_cond_wait.c:508 #2 0x00007fa1c4d622c6 in __pthread_cond_wait (cond=0x7fa1c5370f90, mutex=0x7fa1c5370f68) at pthread_cond_wait.c:638 #3 0x00007fa1c527a08a in () at /lib/x86_64-linux-gnu/libQt5Script.so.5 #4 0x00007fa1c527a0af in () at /lib/x86_64-linux-gnu/libQt5Script.so.5 #5 0x00007fa1c4d5b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #6 0x00007fa1c6f54323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fa1affff700 (LWP 1897)): #0 0x00007fa1c5a09a24 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007fa1c59b363b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fa1c57eca75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fa1c44fb319 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #4 0x00007fa1c57edcc2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa1c4d5b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #6 0x00007fa1c6f54323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fa1be6fd700 (LWP 1883)): #0 0x00007fa1c6f47d26 in __GI_ppoll (fds=0x7fa1b000b4e8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39 #1 0x00007fa1c5a085f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fa1c5a09b64 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fa1c59b363b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa1c57eca75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa1c3f3aefa in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #6 0x00007fa1c57edcc2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fa1c4d5b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #8 0x00007fa1c6f54323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fa1bf618700 (LWP 1859)): #0 0x00007fa1c6f47c2f in __GI___poll (fds=0x7fa1bf617c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fa1c5711917 in () at /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fa1c571353a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fa1bf94f288 in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007fa1c57edcc2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa1c4d5b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #6 0x00007fa1c6f54323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fa1c0057d00 (LWP 1831)): [KCrash Handler] #6 0x00007fa1c5490969 in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #7 0x00007fa1c5490a29 in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #8 0x00007fa1c54928b2 in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #9 0x00007fa1c549329d in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #10 0x00007fa1c6c924c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #11 0x00007fa1c53faab0 in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #12 0x00007fa1c6c924c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #13 0x00007fa1c54f580f in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #14 0x00007fa1c6c924c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #15 0x00007fa1c6c80a4f in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #16 0x00007fa1c6c92360 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #17 0x00007fa1c548373c in () at /lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1 #18 0x00007fa1c6c92307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #19 0x00007fa1c54f568f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #20 0x00007fa1c6c92307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #21 0x00007fa1c54f568f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #22 0x00007fa1c6c92307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #23 0x00007fa1c54fe75a in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #24 0x00007fa1c6c92307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #25 0x00007fa1c6c87236 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /lib/x86_64-linux-gnu/libkwin.so.5 #26 0x00007fa1c6c83c2d in KWin::Scene::paintSimpleScreen(int, QRegion) () at /lib/x86_64-linux-gnu/libkwin.so.5 #27 0x00007fa1bc01a357 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #28 0x00007fa1c6c86800 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #29 0x00007fa1c6c920b2 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #30 0x00007fa1c54f55c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #31 0x00007fa1c6c92061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #32 0x00007fa1c54f55c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #33 0x00007fa1c6c92061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #34 0x00007fa1c54f55c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #35 0x00007fa1c6c92061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #36 0x00007fa1c54f55c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #37 0x00007fa1c6c92061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #38 0x00007fa1c6c864b3 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /lib/x86_64-linux-gnu/libkwin.so.5 #39 0x00007fa1bc022c7e in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #40 0x00007fa1c6c78247 in KWin::Compositor::performCompositing() () at /lib/x86_64-linux-gnu/libkwin.so.5 #41 0x00007fa1c59e0e55 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #42 0x00007fa1c63c8a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #43 0x00007fa1c63d1e00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #44 0x00007fa1c59b4a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #45 0x00007fa1c5a0ba00 in QTimerInfoList::activateTimers() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #46 0x00007fa1c5a09cbf in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #47 0x00007fa1bf950642 in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #48 0x00007fa1c59b363b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #49 0x00007fa1c59bb3a6 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #50 0x00007fa1c702d87d in kdemain () at /lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so #51 0x00007fa1c6e591e3 in __libc_start_main (main=0x556e05701060, argc=3, argv=0x7ffdb18b87b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdb18b87a8) at ../csu/libc-start.c:308 #52 0x0000556e0570109e in _start () [Inferior 1 (process 1831) detached] Reported using DrKonqi
After a next Sleep (Suspend to RAM): KWin Window Manager Desktop effects were restarted due to a graphics reset System is DELL E6420.
Next sleep produced again: KWin Closed Unexpectedly.
No KWin crash directly after reboot. But another crash after sleep.
Created attachment 126705 [details] New crash information added by DrKonqi kwin_x11 (5.18.2) using Qt 5.12.4 - What I was doing when the application crashed: resumed laptop from sleep, logged in - Unusual behavior I noticed: lockscreen shows static pattern instead of image -- Backtrace (Reduced): #6 0x00007fafce160f92 in KWin::WindowQuadList::makeInterleavedArrays(unsigned int, KWin::GLVertex2D*, QMatrix4x4 const&) const () at /lib/x86_64-linux-gnu/libkwineffects.so.12 #7 0x00007fafc44c4352 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #8 0x00007fafc44cb919 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #9 0x00007fafc44cba4b in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so #10 0x00007fafcf913c37 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /lib/x86_64-linux-gnu/libkwin.so.5
Happens every time I resume from suspend. Operating System: KDE neon 5.18 KDE Plasma Version: 5.18.3 KDE Frameworks Version: 5.67.0 Qt Version: 5.14.1 Kernel Version: 5.3.0-40-generic Kwin-x11: 4:5.18.3-0xneon+18.04+bionic+build66
(In reply to Milton Hagler from comment #5) > Happens every time I resume from suspend. > > Operating System: KDE neon 5.18 > KDE Plasma Version: 5.18.3 > KDE Frameworks Version: 5.67.0 > Qt Version: 5.14.1 > Kernel Version: 5.3.0-40-generic > Kwin-x11: 4:5.18.3-0xneon+18.04+bionic+build66 Nvidia GeForce GTX 1050 Ti with Max-Q Design OpenGL: 4.6.0 NVIDIA 435.21
*** This bug has been marked as a duplicate of bug 372305 ***