https://bugs.kde.org/show_bug.cgi?id=449098
Bug ID: 449098
Summary: Unplugging HDMI, windows move to DP screen and are
rendered at lower resolution / blurry + potential
graphical artifacts on mouse hover
Product: kwin
Version: 5.23.90
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 145884
--> https://bugs.kde.org/attachment.cgi?id=145884&action=edit
KWin support information (DP + HDMI attached)
SUMMARY
Left: 4k@200% DP monitor (primary)
Right: FullHD@100% HDMI monitor with Konsole, Systemsettings and Dolphin window
STEPS TO REPRODUCE
1. Unplug the HDMI cable
OBSERVED RESULT
All windows from the right monitor move to the left and in the same stacking
order as expected:
Top to bottom: Systemsettings, Dolphin, Konsole
However:
* Konsole and Dolphin first appeared blurry and the SystemSettings very
pixelated.
* When hovering the mouse over Dolphin's window, it started to show black bars,
then white bars, but it became clear again.
* When hovering the mouse over the Konsole's window, it started showing the
background image, and later while still hovering, part of its controls again.
SOFTWARE/OS VERSIONS
Operating System: KDE neon Testing Edition
KDE Plasma Version: 5.23.90
KDE Frameworks Version: 5.91.0
Qt Version: 5.15.3
Kernel Version: 5.13.0-27-generic (64-bit)
Graphics Platform: Wayland
Graphics Processor: Radeon RX 580 Series
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