https://bugs.kde.org/show_bug.cgi?id=499991
Bug ID: 499991
Summary: Power Management page in System Settings hangs when
using certain font sizeand zh_CN.UTF-8 system locale
Classification: Plasma
Product: plasmashell
Version: 6.3.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Power management & brightness
Assignee: plasma-b...@kde.org
Reporter: ye.jingc...@gmail.com
Target Milestone: 1.0
Created attachment 178280
--> https://bugs.kde.org/attachment.cgi?id=178280&action=edit
empty power management page in system settings
SUMMARY
The "Power Management" page in System Settings will hang, causing 100% single
thread CPU usage, if the system is using LANG=zh_CN.UTF-8 locale, and font size
in System Settings "Text & Fonts" page is set exactly as follows:
General: 11pt
Fixed width: 11pt
Small: 9pt
Toolbar: 11pt
Menu: 11pt
Window title: 11pt
Font families and anti-aliasing settings don't seem to matter.
STEPS TO REPRODUCE
1. Ensure zh_CN.UTF-8 locale is available (`locale -a` output contains
`zh_CN.utf8`). On Arch Linux this means uncommenting zh_CN.UTF-8 in
/etc/locale.gen and run `locale-gen`.
2. Change font size in System Settings as above
3. Close System Settings, launch it with `LANG=zh_CN.UTF-8 systemsettings`
4. Navigate to "Power Management", see it hang.
OBSERVED RESULT
Right side is empty (see screenshot), 100% CPU usage on a single core.
EXPECTED RESULT
Opens Power Management normally
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.3.0
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
Kernel Version: 6.13.2-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 PRO 6850HS with Radeon Graphics
Memory: 14.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
ADDITIONAL INFORMATION
LANG=C.UTF-8 or LANG=en_US.UTF-8 are unaffected by this, but LANG=ja_JP.UTF-8
is affected.
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