Application: kwin_x11 (5.24.6)

Qt Version: 5.15.3
Frameworks Version: 5.92.0
Operating System: Linux 5.15.0-48-generic x86_64
Windowing System: X11
Distribution: Linux Mint 21
DrKonqi: 5.24.5 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
1. enabled compositor
2. switched windows with alt-tab - probably little longer press of alt key is the reason

- Custom settings of the application:

The crash can be reproduced every time.

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

[KCrash Handler]
#4  0x00007f9797b56ad4 in QSGTexture::setFiltering(QSGTexture::Filtering) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f97984ce19c in ?? () from /lib/x86_64-linux-gnu/libkwin.so.5
#6  0x00007f9797c2ff98 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f9797c30543 in QQuickWindowPrivate::updateDirtyNodes() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f9797c32180 in QQuickWindowPrivate::syncSceneGraph() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f9797beacfb in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f9797bebcb5 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f9796da65a5 in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f9795f8c713 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f97969b3e3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f9796d9b6a1 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f9796d6fa2c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f9790511157 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f97969b275b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f97969bacf4 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x000055a975db0bad in ?? ()
#20 0x00007f979585cd90 in __libc_start_call_main (main=main@entry=0x55a975db0770, argc=argc@entry=3, argv=argv@entry=0x7ffe8b3eff58) at ../sysdeps/nptl/libc_start_call_main.h:58
#21 0x00007f979585ce40 in __libc_start_main_impl (main=0x55a975db0770, argc=3, argv=0x7ffe8b3eff58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe8b3eff48) at ../csu/libc-start.c:392
#22 0x000055a975db1eb5 in ?? ()
[Inferior 1 (process 20637) detached]

The reporter indicates this bug may be a duplicate of or related to bug 447116.

Possible duplicates by query: bug 455841, bug 454680, bug 454056, bug 447116, bug 445104.

Reported using DrKonqi