499958 – kwin crash on system start

Bug 499958 - kwin crash on system start

Summary: kwin crash on system start

Status:	RESOLVED DUPLICATE of bug 499846

Alias:	None

Product:	kwin
Classification:	Plasma
Component:	general (show other bugs)
Version:	6.3.0
Platform:	Compiled Sources Linux

Importance:	NOR crash
Target Milestone:	---
Assignee:	KWin default assignee

URL:
Keywords:	drkonqi

Depends on:
Blocks:

Reported:	2025-02-13 06:06 UTC by Pavol Cvengros
Modified:	2025-02-13 08:54 UTC (History)
CC List:	1 user (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:	https://crash-reports.kde.org/organizations/kde/issues/131415/events/eccc354976ea485dad1db5d4a1e2d456/

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Description Pavol Cvengros 2025-02-13 06:06:56 UTC

Application: kwin_x11 (6.3.0)
 (Compiled from sources)
ApplicationNotResponding [ANR]: false
Qt Version: 6.8.2
Frameworks Version: 6.10.0
Operating System: Linux 6.13.2-gentoo-x86_64 x86_64
Windowing System: X11
Distribution: "Gentoo Linux"
DrKonqi: 6.3.0 [CoredumpBackend]

-- Information about the crash:
System started and logged in via SDDM. KWin will crash always.

The crash can be reproduced every time.

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


warning: Can't open file /memfd:/.glXXXXXX (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:/.nvidia_drv.XXXXXX (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing
[New LWP 1762]
[New LWP 1775]
[New LWP 1903]
[New LWP 1776]
[New LWP 1887]
[New LWP 1902]
[New LWP 1917]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/kwin_x11 --replace'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f6d2d4a3e6b in pthread_kill () from /usr/lib64/libc.so.6
[Current thread is 1 (Thread 0x7f6d28da9a40 (LWP 1762))]
python sentry-sdk not installed :(
Cannot QML trace cores :(
/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py:531: DeprecationWarning: datetime.datetime.utcfromtimestamp() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.fromtimestamp(timestamp, datetime.UTC).
  boot_time = datetime.utcfromtimestamp(psutil.boot_time()).strftime('%Y-%m-%dT%H:%M:%S')
Unexpectedly stumbled over an objfile (/usr/lib64/libQt6Svg.so.6.8.2) without build_id. Not creating payload.
[Current thread is 1 (Thread 0x7f6d28da9a40 (LWP 1762))]

Thread 7 (Thread 0x7f6cf925e6c0 (LWP 1917)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e5ac in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d5258fa in poll () at /usr/lib64/libc.so.6
#3  0x00007f6d1e62c487 in ??? () at /usr/lib64/libnvidia-glcore.so.570.86.16
#4  0x00007f6d1e61b194 in ??? () at /usr/lib64/libnvidia-glcore.so.570.86.16
#5  0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#6  0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7f6d0ffff6c0 (LWP 1902)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e5ac in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d525d83 in ppoll () at /usr/lib64/libc.so.6
#3  0x00007f6d2c8fefbf in ??? () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f6d2c8ff8a0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f6d2dcd01f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#6  0x00007f6d2dfbc5d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#7  0x00007f6d2ded1a9e in QThread::exec() () at /usr/lib64/libQt6Core.so.6
#8  0x00007f6d2de5b63f in ??? () at /usr/lib64/libQt6Core.so.6
#9  0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#10 0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7f6d1d7ff6c0 (LWP 1887)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e5ac in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d525d83 in ppoll () at /usr/lib64/libc.so.6
#3  0x00007f6d2c8fefbf in ??? () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f6d2c8ff8a0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f6d2dcd01f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#6  0x00007f6d2dfbc5d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#7  0x00007f6d2ded1a9e in QThread::exec() () at /usr/lib64/libQt6Core.so.6
#8  0x00007f6d2de5b63f in ??? () at /usr/lib64/libQt6Core.so.6
#9  0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#10 0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7f6d26d3e6c0 (LWP 1776)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e5ac in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d5258fa in poll () at /usr/lib64/libc.so.6
#3  0x00007f6d3185ed52 in ??? () at /usr/lib64/libxcb.so.1
#4  0x00007f6d318610ca in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#5  0x00007f6d275a60d2 in ??? () at /usr/lib64/qt6/plugins/platforms/../../../libQt6XcbQpa.so.6
#6  0x00007f6d2de5b63f in ??? () at /usr/lib64/libQt6Core.so.6
#7  0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#8  0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7f6d0f7fe6c0 (LWP 1903)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e52c in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d49ec63 in ??? () at /usr/lib64/libc.so.6
#3  0x00007f6d2d4a1695 in pthread_cond_timedwait () at /usr/lib64/libc.so.6
#4  0x00007f6d2de30ab3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt6Core.so.6
#5  0x00007f6d2de6af03 in ??? () at /usr/lib64/libQt6Core.so.6
#6  0x00007f6d2de5b63f in ??? () at /usr/lib64/libQt6Core.so.6
#7  0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#8  0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7f6d2753f6c0 (LWP 1775)):
#0  0x00007f6d2d4aa192 in ??? () at /usr/lib64/libc.so.6
#1  0x00007f6d2d49e5ac in ??? () at /usr/lib64/libc.so.6
#2  0x00007f6d2d525d83 in ppoll () at /usr/lib64/libc.so.6
#3  0x00007f6d2c8fefbf in ??? () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f6d2c8ff8a0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f6d2dcd01f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#6  0x00007f6d2dfbc5d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#7  0x00007f6d2ded1a9e in QThread::exec() () at /usr/lib64/libQt6Core.so.6
#8  0x00007f6d2ef438ae in ??? () at /usr/lib64/libQt6DBus.so.6
#9  0x00007f6d2de5b63f in ??? () at /usr/lib64/libQt6Core.so.6
#10 0x00007f6d2d4a1fd6 in ??? () at /usr/lib64/libc.so.6
#11 0x00007f6d2d53363c in ??? () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7f6d28da9a40 (LWP 1762)):
[KCrash Handler]
#4  0x00007f6d30edc2b8 in KWin::OutputLayer::addRepaint(QRegion const&) () at /usr/lib64/libkwin.so.6
#5  0x00007f6d30ee1026 in KWin::RenderLayer::setGeometry(QRectF const&) () at /usr/lib64/libkwin.so.6
#6  0x00007f6d311f26c9 in ??? () at /usr/lib64/libkwin.so.6
#7  0x00007f6d2df6cc1f in ??? () at /usr/lib64/libQt6Core.so.6
#8  0x00007f6d311c29ec in KWin::Workspace::desktopResized() () at /usr/lib64/libkwin.so.6
#9  0x00007f6d311c3879 in KWin::Workspace::updateOutputs(std::optional<QList<KWin::Output*> > const&) () at /usr/lib64/libkwin.so.6
#10 0x00007f6d311c713f in KWin::Workspace::slotOutputBackendOutputsQueried() () at /usr/lib64/libkwin.so.6
#11 0x00007f6d2df6cc1f in ??? () at /usr/lib64/libQt6Core.so.6
#12 0x000055c214a8dab5 in ??? ()
#13 0x000055c214a85d5d in ??? ()
#14 0x00007f6d2df6cc1f in ??? () at /usr/lib64/libQt6Core.so.6
#15 0x00007f6d2df1efde in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib64/libQt6Core.so.6
#16 0x00007f6d2def8cc9 in QObject::event(QEvent*) () at /usr/lib64/libQt6Core.so.6
#17 0x00007f6d2f604ea5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt6Widgets.so.6
#18 0x00007f6d2df8ae40 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt6Core.so.6
#19 0x00007f6d2de6cf55 in QTimerInfoList::activateTimers() () at /usr/lib64/libQt6Core.so.6
#20 0x00007f6d2dcd001c in ??? () at /usr/lib64/libQt6Core.so.6
#21 0x00007f6d2c8fba05 in ??? () at /usr/lib64/libglib-2.0.so.0
#22 0x00007f6d2c8fef68 in ??? () at /usr/lib64/libglib-2.0.so.0
#23 0x00007f6d2c8ff8a0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#24 0x00007f6d2dcd01f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#25 0x00007f6d2dfbc5d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt6Core.so.6
#26 0x00007f6d2dfbc9e5 in QCoreApplication::exec() () at /usr/lib64/libQt6Core.so.6
#27 0x000055c214a7a6b6 in ??? ()
#28 0x00007f6d2d42b46e in ??? () at /usr/lib64/libc.so.6
#29 0x00007f6d2d42b529 in __libc_start_main () at /usr/lib64/libc.so.6
#30 0x000055c214a7d385 in ??? ()

Reported using DrKonqi

Comment 1 cwo 2025-02-13 08:54:44 UTC

Thanks for the bug report! The backtrace looks like a recently fixed bug, should be resolved in 6.3.1.

*** This bug has been marked as a duplicate of bug 499846 ***