https://bugs.kde.org/show_bug.cgi?id=497557
Bug ID: 497557
Summary: KScreen 2 starutp background service prevent Display
dpms power off feature working correctly.
Classification: Plasma
Product: KScreen
Version: 5.27.11
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: critical
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: kanze...@gmail.com
Target Milestone: ---
SUMMARY
KScreen 2 starutp background service prevent Display dpms power off feature
working correctly.
STEPS TO REPRODUCE
type "LC_ALL=C systemsettings" from terminal
go to "power management"
check "Screen Energy Saving"
set "switch of after" as you like
EXPECTED RESULT
after configured minutes, display shound be turned off.
ACTUAL RESULT
The System attmpting to switch off the display incompletely, after display
seeminly powered off, display turn on immediately.
WORKAROUND
type "LC_ALL=C systemsettings" from terminal
go to "Start up and Shutdown"
then go to "Background Services"
check off "KScreen 2"
then problem will have gone away.
This bug is mentioned at
https://forum.kde.org/viewtopic.php%3Ff=66&t=175078.html
scroll down bottom of this page, I found this workaround.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version:5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.13
Linux Kernel 6.5.0-45-generic
Grahics Pratform X11
Graphics Processor AMD Radeon RX 5500 XT
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