https://bugs.kde.org/show_bug.cgi?id=464674
Bug ID: 464674
Summary: Wallpaper size changes after toggling external display
Classification: Plasma
Product: plasmashell
Version: 5.26.90
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: k...@hexchain.org
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
Created attachment 155522
--> https://bugs.kde.org/attachment.cgi?id=155522&action=edit
Desktop state after toggling the monitor
SUMMARY
On my laptop, after turning the monitor off and on, the desktop wallpaper on
the external display appears as if it is shown on the internal screen: scaled
and cropped to a smaller display size, only covering the top left part of the
screen, and the remaining space is filled with black color. Changing the
wallpaper also only changes the image area. I've attached a screenshot to
demonstrate the situation.
This only happens when there are other foreground windows, or when the session
is locked. It doesn't happen if it is a bare desktop before turning off the
screen.
Restarting plasma-plasmashell.service brings it back to normal.
Setup: Wayland, laptop (internal screen on eDP-1, 2880x1800, 200%, usually
turned off when a monitor is present) connected to a monitor (DP-2, 3840x2160,
200%) through a USB-C cable
The monitor does not disconnect when turned off but shortly disconnects (for ~2
seconds) when turned on. I've tried to simulate this by quickly
unplugging/re-plugging the cable, but failed.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.26.90
KDE Frameworks Version: 5.102.0
Qt Version: 5.15.8
Kernel Version: 6.1.7-arch1-1 (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
I don't think this has ever happened in 5.26.
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