Bug 503356

Summary: kwin crash after disconnect screens
Product: [Plasma] kwin Reporter: kevinleroy
Component: generalAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version First Reported In: 6.3.4   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description kevinleroy 2025-04-25 17:39:10 UTC
Application: kwin_wayland (6.3.4)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.0
Frameworks Version: 6.13.0
Operating System: Linux 6.14.2-300.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.3.4 [CoredumpBackend]

-- Information about the crash:
kwin_wayland crash randomly after disconnect or connect dell dock connected with 3 screens.

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#5  0x00007fe39fd57a6b in KWin::DrmOutput::cursorLayer (this=0x55edda54d180) at /usr/src/debug/kwin-6.3.4-3.fc42.x86_64/src/backends/drm/drm_output.cpp:555
#6  0x00007fe39fa5ebcc in operator() (__closure=0x55edd9c1ea50) at /usr/src/debug/kwin-6.3.4-3.fc42.x86_64/src/compositor_wayland.cpp:505
#7  0x00007fe39cf6033a in QtPrivate::QSlotObjectBase::call (this=0x55edd9c1ea40, r=0x55edd9acc5d0, a=0x7ffca7d03960) at /usr/src/debug/qt6-qtbase-6.9.0-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#8  doActivate<false> (sender=0x55edd7e20740, signal_index=3, argv=argv@entry=0x7ffca7d03960) at /usr/src/debug/qt6-qtbase-6.9.0-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4138
[...]
#11 KWin::Cursors::currentCursorChanged (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/kwin-6.3.4-3.fc42.x86_64/redhat-linux-build/src/kwin_autogen/include/moc_cursor.cpp:300


Reported using DrKonqi
Comment 1 kevinleroy 2025-04-25 17:39:11 UTC
Created attachment 180659 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.
Comment 2 Nate Graham 2025-04-28 15:40:06 UTC

*** This bug has been marked as a duplicate of bug 502951 ***