Bug 512426 - Plasmashell crashes consistently when enabling the "Holiday events" calendar plugin in the Digital Clock widget. Reproducible on a clean profile; disabling all calendar plugins prevents the crash.
Summary: Plasmashell crashes consistently when enabling the "Holiday events" calendar ...
Status: RESOLVED DUPLICATE of bug 512407
Alias: None
Product: plasmashell
Classification: Plasma
Component: Calendar widget (other bugs)
Version First Reported In: 6.5.3
Platform: Arch Linux Linux
: NOR crash
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-11-21 09:50 UTC by Hans Kramer
Modified: 2025-11-21 15:21 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report: https://crash-reports.kde.org/organizations/kde/issues/132910/events/a629c4784ea640b888baba483bff429a/

Attachments
GDB log (10.92 KB, text/plain)
2025-11-21 09:50 UTC, Hans Kramer 		Details
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Description Hans Kramer 2025-11-21 09:50:39 UTC 
Created attachment 187022 [details]
GDB log

STEPS TO REPRODUCE
1. Start KDE Plasma session (Wayland)
2. Add Digital Clock widget (default)
3. Right-click → Configure Digital Clock
4. Open “Calendar” tab
5. Enable “Holiday events”
6. plasmashell immediately crashes (SIGSEGV)

EXPECTED RESULT
Holiday events should display without crashing.

ACTUAL RESULT
plasmashell segfaults inside CalendarEventsPlugin::dataReady() when holidaysevents plugin loads.

WORKAROUND
Disable calendar plugins entirely:

[Containments][47][Applets][63][Configuration][Appearance]
enabledCalendarPlugins=

ENVIRONMENT
OS: Arch Linux
Plasma: 6.5.3
KDE Frameworks: 6.20.0
Qt: 6.10.1
Session: Wayland
Locale: en_US.UTF-8
Architecture: x86_64

FULL BACKTRACE
(Attached as file: gdb_plasma.txt)
Comment 1 Antonio Rojas 2025-11-21 11:13:57 UTC 

*** This bug has been marked as a duplicate of bug 512407 ***