https://bugs.kde.org/show_bug.cgi?id=431529

            Bug ID: 431529
           Summary: Kwin crash randomly (mostly using firefox)
           Product: kwin
           Version: 5.20.5
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: gregory.duha...@gmail.com
  Target Milestone: ---

Application: kwin_x11 (5.20.5)

Qt Version: 5.15.2
Frameworks Version: 5.78.0
Operating System: Linux 5.9.16-200.fc33.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 33 (KDE Plasma)

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

- Unusual behavior I noticed:
Higher chance of crash if i use firefox for a while (20 minutes)

- Custom settings of the application:

OS: Fedora 33 (KDE Plasma) x86_64 
Host: H370AORUSGAMING3WIFI 
Kernel: 5.9.16-200.fc33.x86_64 
Uptime: 1 hour, 23 mins 
Packages: 2863 (rpm), 13 (flatpak) 
Shell: zsh 5.8 
Resolution: 1024x1280, 2560x1440 
DE: Plasma 5.20.5 
WM: KWin 
WM Theme: Breeze 
Theme: Breeze [Plasma], Adwaita [GTK2], Breeze [GTK3] 
Icons: [Plasma], breeze [GTK2/3] 
Terminal: yakuake 
CPU: Intel i5-8600K (6) @ 4.300GHz 
GPU: NVIDIA GeForce GTX 1660 Ti 
Memory: 3384MiB / 31918MiB

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

[KCrash Handler]
#4  0x0000000000000000 in  ()
#5  0x00007fb598056564 in KWin::SceneOpenGL::createScene(QObject*) () at
/usr/lib64/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#6  0x00007fb59806541d in KWin::OpenGLFactory::create(QObject*) const () at
/usr/lib64/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#7  0x00007fb5b61dd9e3 in KWin::Compositor::setupStart() [clone .part.0] () at
/lib64/libkwin.so.5
#8  0x00007fb5b61e103e in KWin::X11Compositor::start() () at
/lib64/libkwin.so.5
#9  0x00007fb5b61dee57 in KWin::Compositor::reinitialize() () at
/lib64/libkwin.so.5
#10 0x00007fb5b4ead386 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#11 0x00007fb5b4ea5d1e in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#12 0x00007fb5b5912ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#13 0x00007fb5b4e7dbd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#14 0x00007fb5b4e808c7 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#15 0x00007fb5b4ec7afe in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#16 0x00007fb5a16f3852 in
QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5XcbQpa.so.5
#17 0x00007fb5b4e7c57b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#18 0x00007fb5b4e841b4 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#19 0x000055954a2baaff in main ()
[Inferior 1 (process 1891) detached]

Possible duplicates by query: bug 429383, bug 427282, bug 426435, bug 418260,
bug 415070.

Reported using DrKonqi

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