https://bugs.kde.org/show_bug.cgi?id=468519
Bug ID: 468519
Summary: Display configuration is periodically reloaded after
switching from external screen to internal laptop
screen
Classification: Plasma
Product: KScreen
Version: 5.27.4
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: rocking...@proton.me
Target Milestone: ---
Created attachment 158118
--> https://bugs.kde.org/attachment.cgi?id=158118&action=edit
Output of the command "journalctl -f" after switching to the internal screen.
After switching from the external screen to the internal laptop screen, the
display configuration is reloaded each ~10 seconds.
Each time the configuration is reloaded:
* The image on the internal screen stutters.
* The icon of the applet "Display Configuration" blinks.
* The notification "A new output has been added. Settings have been
reloaded." is shown if the "Display Configuration" settings are opened.
When the external screen is turned OFF and ON again by the power button, the
reloading does not happen anymore.
Each reloading of the display configuration is followed by the identical
journalctl messages that start and end with "Emitting configChanged()" (as in
the 1st attachment).
STEPS TO REPRODUCE
1. Connect an external screen to the laptop.
2. Switch to the external screen in the Display Configuration applet.
3. Switch to the internal screen in the Display Configuration applet.
OBSERVED RESULT
The display configuration is periodically reloaded.
EXPECTED RESULT
The display configuration is not reloaded.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE neon 5.27 User Edition
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
kscreen Version: kscreen/jammy,now 4:5.27.4-0xneon+22.04+jammy+release+build27
kwin Version: kwin-x11/jammy,now 4:5.27.4.1-0xneon+22.04+jammy+release+build35
Nvidia Driver Version: 525.105.17 (also reproducible on 530.41.03)
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