https://bugs.kde.org/show_bug.cgi?id=469653
Bug ID: 469653
Summary: [Wayland] Primary monitor changes after resume from
sleep
Classification: Plasma
Product: KScreen
Version: 5.27.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: rthe...@protonmail.com
Target Milestone: ---
Created attachment 158881
--> https://bugs.kde.org/attachment.cgi?id=158881&action=edit
Monitor Layout
SUMMARY
After the update to KDE Plasma 5.27 on Nobara Linux (Fedora fork), the primary
monitor setting is set on a second monitor (on the right) rather than the first
one (widescreen monitor on the left).
Both monitors are connected via DisplayPort cables.
~)$ kscreen-doctor -o
Output: 1 DP-2 enabled connected priority 2 DisplayPort Modes: 0:2560x1440@60!
1:2560x1440@144* 2:1920x1200@60 3:1920x1080@60 4:1920x1080@60 5:1920x1080@50
6:1600x1200@60 7:1680x1050@60 8:1280x1024@75 9:1280x1024@60 10:1280x800@60
11:1152x864@75 12:1280x720@60 13:1280x720@60 14:1280x720@50 15:1024x768@75
16:1024x768@60 17:800x600@75 18:800x600@60 19:720x576@50 20:720x480@60
21:640x480@75 22:640x480@60 23:640x480@60 Geometry: 3440,0 1440x2560 Scale: 1
Rotation: 2 Overscan: 0 Vrr: Never RgbRange: unknown
Output: 2 DP-3 enabled connected priority 1 DisplayPort Modes: 0:3440x1440@60!
1:3440x1440@165 2:3440x1440@144* 3:3440x1440@120 4:3440x1440@100 5:3440x1440@75
6:2560x1440@120 7:1920x1200@60 8:1920x1080@120 9:1920x1080@100 10:1920x1080@60
11:1920x1080@60 12:1680x1050@60 13:1600x900@60 14:1280x1024@60 15:1440x900@60
16:1280x800@60 17:1280x720@60 18:1280x720@60 19:1024x768@60 20:800x600@60
21:720x480@60 22:640x480@60 23:640x480@60 Geometry: 0,641 3440x1440 Scale: 1
Rotation: 1 Overscan: 0 Vrr: Never RgbRange: unknown
STEPS TO REPRODUCE
1. Put computer to sleep overnight.
2. Turn it on, and login.
OBSERVED RESULT
Plasma panel is moved to the right monitor, and primary setting is also changed
to the second monitor (Dell).
EXPECTED RESULT
Primary monitor setting should be kept as it was setup by me.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Nobara Linux 37
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
ADDITIONAL INFORMATION
GPU: MSI RTX 3080 Ventus 3X PLUS 10G LHR
I can reliably replicate this issue with sleep overnight, but I had it happen
once while I was switching between TTYs.
This happens on both Nobara Linux and Manjaro. Also tried this on fresh user
account with no difference.
I've been using this command to switch primary monitor after waking up:
$ kscreen-doctor output.DP-3.primary
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