https://bugs.kde.org/show_bug.cgi?id=454441
Bug ID: 454441
Summary: kwin occasional crash during alt-tab
Product: kwin
Version: 5.24.5
Platform: Kubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: sbutcher+b...@gmail.com
Target Milestone: ---
Created attachment 149234
--> https://bugs.kde.org/attachment.cgi?id=149234&action=edit
backtrace
SUMMARY
Using xorg.
CPU: 11th Gen Intel i7-1165G7 (8) @ 2.800GHz
GPU: Intel TigerLake-LP GT2 [Iris Xe Graphics]
Application: kwin_x11 (5.24.5)
Qt Version: 5.15.3
Frameworks Version: 5.94.0
Operating System: Linux 5.15.0-30-generic x86_64
Windowing System: X11
Distribution: Ubuntu 22.04 LTS
DrKonqi: 5.24.5 [KCrashBackend]
STEPS TO REPRODUCE
1. Happened twice today during alt-tab (with reboots done in-between)
2. Once during a teams call and another time using firefox
OBSERVED RESULT
Kwin crash, desktop stays running but the kde bug reporter appears, and stack
trace generated.
EXPECTED RESULT
Kwin doesn't crash
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
[KCrash Handler]
#4 __pthread_kill_implementation (no_tid=0, signo=6, threadid=140058780362048)
at ./nptl/pthread_kill.c:44
#5 __pthread_kill_internal (signo=6, threadid=140058780362048) at
./nptl/pthread_kill.c:78
#6 __GI___pthread_kill (threadid=140058780362048, signo=signo@entry=6) at
./nptl/pthread_kill.c:89
#7 0x00007f61fe7fe476 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#8 0x00007f61fe7e47f3 in __GI_abort () at ./stdlib/abort.c:79
#9 0x00007f61f2710144 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#10 0x00007f61f337938f in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#11 0x00007f61f2976782 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#12 0x00007f620145c384 in ?? () from /lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007f61ff976783 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6201433c98 in KWin::Scene::paintScreen(QRegion const&, QRegion
const&, QRegion*, QRegion*, KWin::RenderLoop*, QMatrix4x4 const&) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#15 0x00007f62014f5060 in KWin::SceneOpenGL::paint(KWin::AbstractOutput*,
QRegion const&, QList<KWin::Toplevel*> const&, KWin::RenderLoop*) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#16 0x00007f6201396071 in KWin::Compositor::composite(KWin::RenderLoop*) ()
from /lib/x86_64-linux-gnu/libkwin.so.5
#17 0x00007f620139fa06 in KWin::X11Compositor::composite(KWin::RenderLoop*) ()
from /lib/x86_64-linux-gnu/libkwin.so.5
#18 0x00007f61ff976783 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f6201355b16 in KWin::RenderLoop::frameRequested(KWin::RenderLoop*)
() from /lib/x86_64-linux-gnu/libkwin.so.5
#20 0x00007f6201422297 in KWin::RenderLoopPrivate::dispatch() () from
/lib/x86_64-linux-gnu/libkwin.so.5
#21 0x00007f61ff976783 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f61ff97a7ee in QTimer::timeout(QTimer::QPrivateSignal) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f61ff96c32f in QObject::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f61fef15713 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f61ff93ee2a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f61ff9973db in QTimerInfoList::activateTimers() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f61ff995897 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f61f9703142 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#29 0x00007f61ff93d74b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f61ff945ce4 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x000055e56e671bad in ?? ()
#32 0x00007f61fe7e5d90 in __libc_start_call_main
(main=main@entry=0x55e56e671770, argc=argc@entry=1,
argv=argv@entry=0x7ffcb35db648) at ../sysdeps/nptl/libc_start_call_main.h:58
#33 0x00007f61fe7e5e40 in __libc_start_main_impl (main=0x55e56e671770, argc=1,
argv=0x7ffcb35db648, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcb35db638) at ../csu/libc-start.c:392
#34 0x000055e56e672eb5 in ?? ()
[Inferior 1 (process 2690) detached]
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