https://bugs.kde.org/show_bug.cgi?id=511708
Bug ID: 511708
Summary: plasmashell crashes repeatedly with SIGSEGV when
hovering over taskbar icons using the
org.kde.plasma.icontasks widget. The crash occurs in
QQmlDelegateModel::drainReusableItemsPool during
geometry changes triggered by tooltip/preview display.
Classification: Plasma
Product: plasmashell
Version First 6.5.1
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Task Manager and Icons-Only Task Manager widgets
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
Frequency
Multiple crashes per day. I have recorded 8 crashes over 3 days (November 3-6,
2025).
GPU: AMD Radeon RX 7900 XTX (radeonsi, navi31, LLVM 21.1.4, DRM 3.64)
CPU: AMD Ryzen 9 9950X
Session: Wayland
Steps to Reproduce
Use Plasma 6.5.1 with Qt 6.10.0 on Wayland
Add org.kde.plasma.icontasks widget to the panel
Hover mouse cursor over taskbar icons
Crash occurs randomly during hover/tooltip display
Reproducibility: Intermittent but frequent (multiple times per day)
Expected Behavior
Taskbar should display tooltips/previews without crashing
Actual Behavior
plasmashell crashes with SIGSEGV and automatically restarts
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