https://bugs.kde.org/show_bug.cgi?id=464110
Bug ID: 464110
Summary: Screen resolution resets to 640x480 when waking up
computer
Classification: Plasma
Product: kwin
Version: 5.26.4
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I am using Wayland session and have set "Screen energy saving" to 10 minutes,
so that my monitor powers off after some time of inactivity. Often when waking
it up again (touching mouse / keyboard), the resolution is reset to 640x480.
The computer does not go into any sleep / hibernation mode. This does not
happen every time, but several times per day. I have not found a way to
consistently reproduce it every time.
STEPS TO REPRODUCE
1. Set energy saving timeout value
2. Allow timer to turn off monitor
3. Wake up monitor by for example moving the mouse
OBSERVED RESULT
The lock screen (and desktop after unlocking) is displayed in 640x480
resolution / 60Hz.
EXPECTED RESULT
The resolution / refresh rate should stay at the previously set values.
SOFTWARE/OS VERSIONS
Linux: Manjaro 6.1.1-1
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.7
ADDITIONAL INFORMATION
Monitor is Samsung Odyssey G8 OLED
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