Bug 513264

Summary:	Crash on login (with sddm) in PlasmaQuick::ContainmentView::containment()
Product:	[Plasma] plasmashell	Reporter:	kde.straining457
Component:	generic-crash	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	kdedev, nate
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	6.5.4
Target Milestone:	1.0
Platform:	Arch Linux
OS:	Linux
See Also:	https://bugs.kde.org/show_bug.cgi?id=484689
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:	https://crash-reports.kde.org/organizations/kde/issues/321424/events/ea6c1c760b504c39bbe5343a7d203f38/
Attachments:	New crash information added by DrKonqi

Description kde.straining457 2025-12-12 19:04:57 UTC

Application: plasmashell (6.5.4)

ApplicationNotResponding [ANR]: false
Qt Version: 6.10.1
Frameworks Version: 6.20.0
Operating System: Linux 6.17.9-arch1-1 x86_64
Windowing System: Wayland
Distribution: "Arch Linux"
DrKonqi: 6.5.4 [CoredumpBackend]

-- Information about the crash:
Most times after i login with SDDM plasmashell crashes with a white background picture. this doesnt really affect me at all because it just restarts itself but i wanted to just put the crash report out there for anyone trying to fix / having this issue. Lmk if you need more details.

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#5  QWeakPointer<QObject>::internalData (this=0x400000018) at /usr/include/qt6/QtCore/qsharedpointer_impl.h:798
#6  QPointer<Plasma::Containment>::data (this=0x400000018) at /usr/include/qt6/QtCore/qpointer.h:75
#7  QPointer<Plasma::Containment>::operator Plasma::Containment* (this=0x400000018) at /usr/include/qt6/QtCore/qpointer.h:83
#8  PlasmaQuick::ContainmentView::containment (this=0x55c7b3a55480) at /usr/src/debug/libplasma/libplasma-6.5.4/src/plasmaquick/containmentview.cpp:267
#9  0x000055c7856ced4a in operator() (visible=<optimized out>, __closure=0x55c7b51d7be0) at /usr/src/debug/plasma-workspace/plasma-workspace-6.5.4/shell/shellcorona.cpp:1653
#10 operator() (__closure=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#14 QtPrivate::QCallableObject<ShellCorona::createWaitingPanels()::<lambda(bool)>, QtPrivate::List<bool>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x55c7b51d7bd0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#15 0x00007febc05d734f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#16 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4257
[...]
#18 Plasma::Containment::uiReadyChanged (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/libplasma/build/src/plasma/Plasma_autogen/include/moc_containment.cpp:610
#19 0x00007febc3080ef0 in Plasma::ContainmentPrivate::setUiReady (this=<optimized out>) at /usr/src/debug/libplasma/libplasma-6.5.4/src/plasma/private/containment_p.cpp:231
#20 Plasma::ContainmentPrivate::setUiReady (this=<optimized out>) at /usr/src/debug/libplasma/libplasma-6.5.4/src/plasma/private/containment_p.cpp:225
#21 Plasma::AppletPrivate::setUiReady (this=0x55c7b3629c90) at /usr/src/debug/libplasma/libplasma-6.5.4/src/plasma/private/applet_p.cpp:429
#22 Plasma::Applet::flushPendingConstraintsEvents (this=0x55c7b362c7f0) at /usr/src/debug/libplasma/libplasma-6.5.4/src/plasma/applet.cpp:571
#23 0x00007febc05c4936 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1388
#24 0x00007febc29021c0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55c7b362c7f0, e=0x7fffee914db0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3305


Reported using DrKonqi

Comment 1 kde.straining457 2025-12-12 19:04:59 UTC

Created attachment 187557 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 Nate Graham 2025-12-12 21:05:29 UTC

Do you by any chance have automatic day/night theme switching applied? If so, this could be an example of Bug 484689, which was never figured out.

Comment 3 kde.straining457 2025-12-12 21:07:20 UTC

(In reply to Nate Graham from comment #2)
> Do you by any chance have automatic day/night theme switching applied? If
> so, this could be an example of Bug 484689, which was never figured out.

No, I am using breeze-dark

Comment 4 TraceyC 2025-12-22 20:51:20 UTC

Based on the backtrace this looks like a duplicate of bug 512697, so I'll merge this in with that one. Please follow that report if you would like updates on the progress of this issue.

*** This bug has been marked as a duplicate of bug 512697 ***