https://bugs.kde.org/show_bug.cgi?id=425185
Bug ID: 425185
Summary: Display Configuration allows to replicate screen for
turned off screen
Product: systemsettings
Version: 5.19.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: piotr.mierzwin...@gmail.com
Target Milestone: ---
SUMMARY
I have multi monitors configuration (monitor+projector and both connected via
HDMI), but do to not correct support in Linux distribution or DE itself (turned
off screen connected via HDMI is treated as normally working and considered by
Plasma to display content) I turned it off by xrandr (command: xrandr --output
HDMI2 --off). Despite this screen is not enabled (in kscreen) Display
Configuration allows to replicate primary screen with this turned off.
Note that 'Display Settings' doesn't show turned off screen, but allows to
select it to replication.
Check details in screenshot.
STEPS TO REPRODUCE
Prerequisite: need to have multi (at least 2) monitors configuration
1. Replication of screen turned off
1. Turn off one screen by xrandr
2. Open Display Configuration and check option: 'Replica of:'
3.
OBSERVED RESULT
Is possible to select turned off screen
EXPECTED RESULT
Should not be possible to select turned off screen to replication
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: YES
(available in About System)
KDE Plasma Version: 5.19.4
KDE Frameworks Version: 5.73
Qt Version: 5.15
ADDITIONAL INFORMATION
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