https://bugs.kde.org/show_bug.cgi?id=522784
Bug ID: 522784
Summary: System Monitor widget crashes plasmashell when opening
Sensor Details
Classification: Plasma
Product: plasmashell
Version First 6.7.2
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: System Monitor widgets
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: 1.0
Created attachment 194124
--> https://bugs.kde.org/attachment.cgi?id=194124&action=edit
Full backtrace from coredump
* Since I don't know English, the following content was generated by DeepSeek
When configuring a System Monitor widget (e.g., CPU/Memory/Disk usage) added to
the panel or desktop, plasmashell crashes immediately upon clicking the "Sensor
Details" tab/button.
The crash occurs with high probability and does not require loading any
preset—simply entering the sensor configuration view triggers it.
STEPS TO REPRODUCE
1. Right-click on the desktop or panel, select "Add Widgets" and add a "System
Monitor" widget (any sensor type, e.g., CPU Usage).
2. Right-click the newly added widget and select "Configure..." (or
"Settings").
3. In the configuration dialog, click on the "Sensor Details" tab (or the
button to configure sensors).
4. Plasmashell crashes instantly, often before the sensor list is fully
rendered.
OBSERVED RESULT
Plasmashell terminates with SIGSEGV (segmentation fault). The system log shows:
- Signal: 11 (SEGV) si_code: SI_TKILL
- Stack trace indicates the crash occurs in QML garbage collection
(ExecutableCompilationUnit::markObjects) triggered by
QQmlValueTypeWrapper::create.
Full backtrace attached.
EXPECTED RESULT
The sensor configuration dialog should open normally, allowing the user to
select and arrange sensors without crashing.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.7.2
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
Kernel Version: 7.1.2-arch3-1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × 12th Gen Intel® Core™ i5-12600KF
Memory: 16 GiB of RAM (15.4 GiB usable)
Graphics Processor: NVIDIA GeForce RTX 3050
ADDITIONAL INFORMATION
- This is reproducible on multiple occasions and across different sensor types.
- The crash appears related to memory management during QML binding updates
triggered by Kirigami theme/color changes.
- Attached is the full backtrace from the coredump.
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