https://bugs.kde.org/show_bug.cgi?id=445092
Bug ID: 445092
Summary: Wrong display placement in X11 after using Wayland
Product: KScreen
Version: 5.23.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: k...@fastmail.com
Target Milestone: ---
Created attachment 143293
--> https://bugs.kde.org/attachment.cgi?id=143293&action=edit
System settings - appear correct
SUMMARY
The relative positions of 4K HIDPI displays are wrong when switching from X11
to Wayland and then back.
STEPS TO REPRODUCE
1. Log into KDE on X11
2. Set the displays to 175% scaling, side by side
3. Log out, log into KDE on Wayland, set scaling to 175% and side by side
4. Log out, log into KDE on X11
OBSERVED RESULT
The displays in System Settings are positioned side by side, but in reality
their outputs are overlapping. Please see attached screenshot and photo.
It's not possible to restore proper side by side positioning using System
Settings or xrandr, only by deleting ~/.local/share/kscreen
EXPECTED RESULT
The displays and their actual outputs are properly positioned side by side.
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.23.2
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
System config:
Fedora 35, AMD 6700 XT, dual 27" 4K displays
Previously happened with Fedora 34, Plasma 5.22, AMD 5700 XT, same dual 27" 4K
displays
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