Application: kwin_x11 (5.18.0)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.4-arch1-1 x86_64
Windowing system: X11
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:

Screen turned off due to inactivity and when opened again, this happened or Closed lid system went to sleep, when resumed, this happened, not sure which of the above both caused the issue

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f70df1900c0 (LWP 685))]

Thread 4 (Thread 0x7f70ceb5f700 (LWP 787)):
#0  0x00007f70e4724cf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f70e5055f3c in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f70e5055f59 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f70e471e46f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f70e6dfe3d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f70cfdcc700 (LWP 747)):
#0  0x00007f70e6df3bb6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f70e5788f73 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f70e578a63d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f70e57334cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f70e5557e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f70e3e67f89 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f70e5558fc6 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f70e471e46f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f70e6dfe3d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f70ddd2f700 (LWP 718)):
#0  0x00007f70e6df3bb6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f70e5788f73 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f70e578a63d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f70e57334cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f70e5557e52 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f70e682db28 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f70e5558fc6 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f70e471e46f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f70e6dfe3d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f70df1900c0 (LWP 685)):
[KCrash Handler]
#6  0x00007f70e522f129 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#7  0x00007f70e522f1e7 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#8  0x00007f70e5231082 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#9  0x00007f70e52319ab in  () at /usr/lib/libkwin4_effect_builtins.so.1
#10 0x00007f70e6ae0300 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#11 0x00007f70e5196e1a in  () at /usr/lib/libkwin4_effect_builtins.so.1
#12 0x00007f70e6ae0300 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#13 0x00007f70e6ae01c2 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#14 0x00007f70e6ae0164 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007f70e6ae0164 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#16 0x00007f70e6ae0164 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007f70e6b6260b in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#18 0x00007f70e6b5fe3d in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/lib/libkwin.so.5
#19 0x00007f70ceb73435 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#20 0x00007f70e6b61be1 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#21 0x00007f70e6adff70 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion const&, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#22 0x00007f70e6adff1b in KWin::EffectsHandlerImpl::paintScreen(int, QRegion const&, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007f70e6adff1b in KWin::EffectsHandlerImpl::paintScreen(int, QRegion const&, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#24 0x00007f70e6adff1b in KWin::EffectsHandlerImpl::paintScreen(int, QRegion const&, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#25 0x00007f70e6b61886 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/lib/libkwin.so.5
#26 0x00007f70ceb7b1cf in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#27 0x00007f70e6aa5645 in KWin::Compositor::performCompositing() () at /usr/lib/libkwin.so.5
#28 0x00007f70e5762185 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#29 0x00007f70e61ce362 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#30 0x00007f70e61d7819 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f70e5734962 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#32 0x00007f70e578c3bd in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#33 0x00007f70e578a799 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#34 0x00007f70ded5ef5f in  () at /usr/lib/libQt5XcbQpa.so.5
#35 0x00007f70e57334cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#36 0x00007f70e573b4d6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#37 0x00007f70e6ecd379 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#38 0x00007f70e6d26023 in __libc_start_main () at /usr/lib/libc.so.6
#39 0x0000555ef152a05e in _start ()
[Inferior 1 (process 685) detached]

The reporter indicates this bug may be a duplicate of or related to bug 417759.

Possible duplicates by query: bug 417759, bug 417641, bug 417395, bug 417120, bug 417109.

Reported using DrKonqi