https://bugs.kde.org/show_bug.cgi?id=466618
Bug ID: 466618
Summary: Powering on addition display causes an existing
display to be disabled.
Classification: Plasma
Product: plasmashell
Version: 5.27.2
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: 1.0
SUMMARY
At boot my system has 2 1440p/165hz monitors running at 150% scale. I also have
a 1080p/60hz receiver connected to an HDMI port. The receiver I have the
receiver powered off and disabled (in Display Configuration) by default because
I don't want the monitors to be limited to 60hz most of the time. However
sometimes I turn on the receiver to display to a projector or play audio thru
it.
When the receiver powers on my 2nd (non-primary) monitor becomes disabled. Even
if I set it to enabled in the Display Configuration UI it gets no image. I end
up having to either reboot, or run xrandr commands to correct the displays.
STEPS TO REPRODUCE
1. Begin with 2 monitors enabled & on.
2. Power on a 3rd display (HDMI receiver in my case) which had been disabled in
the Display Config
OBSERVED RESULT
The 2nd (right-non-primary) monitor becomes disabled. Plasmashell memory usage
increases non-stop.
EXPECTED RESULT
Existing displays should continue working as before. Memory usage should not
increase indefinitely.
SOFTWARE/OS VERSIONS
Arch Linux
Plasma 5.27.2
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