https://bugs.kde.org/show_bug.cgi?id=438802
Bug ID: 438802
Summary: kwin crash on Alt+Tab, reproducible
Product: kwin
Version: 5.19.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: philwhi...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.19.5)
Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.8.0-55-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.10
-- Information about the crash:
- What I was doing when the application crashed:
I had a few VS Code windows open, a Konsole window, and Firefox. I use Alt+Tab
extensively and it crashes kwin regularly since my last Ubuntu update using
Discover.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
[KCrash Handler]
#4 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
#5 0x00007f0e72646864 in __GI_abort () at abort.c:79
#6 0x00007f0e72aa5ba3 in QMessageLogger::fatal(char const*, ...) const () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0e7189eade in
QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007f0e718a098e in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9 0x00007f0e718a177b in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f0e7309f7c5 in QWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f0e73778013 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f0e72cc21ca in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0e730949a1 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007f0e730692bb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f0e6ca3f747 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x00007f0e72cc0a4b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f0e72cc8fc6 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x000055c8f75d7a6d in ?? ()
#19 0x00007f0e72648cb2 in __libc_start_main (main=0x55c8f75d76a0, argc=3,
argv=0x7ffc10b94458, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc10b94448) at ../csu/libc-start.c:314
#20 0x000055c8f75d7f8e in _start ()
[Inferior 1 (process 53045) detached]
Possible duplicates by query: bug 437761, bug 437693, bug 436607, bug 436528,
bug 436520.
Reported using DrKonqi
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