https://bugs.kde.org/show_bug.cgi?id=491952
Bug ID: 491952
Summary: Occasional crashes in
KWin::WindowThumbnailItem::updatePaintNode(QSGNode*,
QQuickItem::UpdatePaintNodeData*) with an assertion in
epoxy
Classification: Plasma
Product: kwin
Version: 6.1.4
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-crash
Assignee: kwin-bugs-n...@kde.org
Reporter: b...@lindev.ch
Target Milestone: ---
SUMMARY
I see an occasional crash in KWin; so far I haven't found a way to reproduce it
reliably, it seems to happen most often while using Alt+Tab to switch between
konsole and chromium.
STEPS TO REPRODUCE
1. Use Alt+Tab to switch between konsole and chromium a number of times, seems
to happen at random. Probably can also happen with other applications; so far
I've never observed it unless chromium was running, but that may just be random
OBSERVED RESULT
Stack trace of thread 87579:
#0 0x00007ff20009ea1c __pthread_kill_implementation (libc.so.6
+ 0x93a1c)
#1 0x00007ff20004a412 raise (libc.so.6 + 0x3f412)
#2 0x00007ff203d4e132 _ZN6KCrash19defaultCrashHandlerEi
(libKF6Crash.so.6 + 0x8132)
#3 0x00007ff20004a4c0 __restore_rt (libc.so.6 + 0x3f4c0)
#4 0x00007ff20009ea1c __pthread_kill_implementation (libc.so.6
+ 0x93a1c)
#5 0x00007ff20004a412 raise (libc.so.6 + 0x3f412)
#6 0x00007ff2000334b0 abort (libc.so.6 + 0x284b0)
#7 0x00007ff2000333d8 __assert_fail_base.cold (libc.so.6 +
0x283d8)
#8 0x00007ff200042de2 __assert_fail (libc.so.6 + 0x37de2)
#9 0x00007ff203d35433 epoxy_get_core_proc_address
(libepoxy.so.0 + 0x12c433)
#10 0x00007ff203d284d5 epoxy_glWaitSync_global_rewrite_ptr
(libepoxy.so.0 + 0x11f4d5)
#11 0x00007ff2039067db
_ZN4KWin19WindowThumbnailItem15updatePaintNodeEP7QSGNodePN10QQuickItem19UpdatePaintNodeDataE
(libkwin.so.6 + 0x5067db)
#12 0x00007ff202ff4dfa
_ZN19QQuickWindowPrivate15updateDirtyNodeEP10QQuickItem (libQt6Quick.so.6 +
0x3f4dfa)
#13 0x00007ff202ff3497
_ZN19QQuickWindowPrivate16updateDirtyNodesEv (libQt6Quick.so.6 + 0x3f3497)
#14 0x00007ff202ff313e
_ZN19QQuickWindowPrivate14syncSceneGraphEv (libQt6Quick.so.6 + 0x3f313e)
#15 0x00007ff2031da95c _ZN15QSGRenderThread3runEv
(libQt6Quick.so.6 + 0x5da95c)
#16 0x00007ff200b2192e _ZN14QThreadPrivate5startEPv
(libQt6Core.so.6 + 0x52192e)
#17 0x00007ff20009ccd1 start_thread (libc.so.6 + 0x91cd1)
#18 0x00007ff20011b588 __clone3 (libc.so.6 + 0x110588)
EXPECTED RESULT
Doesn't crash
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: OpenMandriva Cooker, kernel 6.10.6, glibc 2.40
KDE Plasma Version: 6.1.4
KDE Frameworks Version: 6.5.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
Mesa 24.2.0 (also observed earlier with 24.1.5), AMD GPU (radeonsi, polaris12)
epoxy 1.5.10
running on xorg (not (x)wayland)
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