Bug 497557 - KScreen 2 starutp background service prevent Display dpms power off feature working correctly.
Summary: KScreen 2 starutp background service prevent Display dpms power off feature w...
Status: RESOLVED FIXED
Alias: None
Product: KScreen
Classification: Plasma
Component: common (show other bugs)
Version: 5.27.11
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: kscreen-bugs-null@kde.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-12-16 12:49 UTC by MOT
Modified: 2024-12-16 17:14 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In: 6.0.0
Sentry Crash Report:

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Description MOT 2024-12-16 12:49:28 UTC 
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
Comment 1 Nate Graham 2024-12-16 17:14:12 UTC 
This is fixed in Plasma 6.