https://bugs.kde.org/show_bug.cgi?id=472337
Bug ID: 472337
Summary: KWin Wayland hangs when drawing thumbnails in taskbar
on AMDGPU
Classification: Plasma
Product: kwin
Version: 5.27.4
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: o...@np880.ru
Target Milestone: ---
Created attachment 160341
--> https://bugs.kde.org/attachment.cgi?id=160341&action=edit
Crashlog
SUMMARY
If you hover your mouse over taskbar icons with amdgpu there's chance that
kwin_wayland will hang (while rest system will continue to work i.e. media
player will continue playing songs). Had this issue on
***
STEPS TO REPRODUCE
1. Load in KWin Wayland on AMD GPU and try to switching apps by clicking on
icons in taskbar, preferably while having some heavy applications running like
videogames
2. Eventually KWin Wayland will hang
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 23.04/Plasma 5.27.4
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
Provided crash logs
Probably same issue was already reported but author could not find problem's
origin. https://bugs.kde.org/show_bug.cgi?id=470309
For some reason it only happens (for me) with taskbar thumbnails, task switcher
thumbnails don't cause any problems. Turning off taskbar thumbnails solves
issue.
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