https://bugs.kde.org/show_bug.cgi?id=497632
Bug ID: 497632
Summary: Flaky performance with multiple displays (3+)?
Classification: Plasma
Product: plasmashell
Version: 6.2.4
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: jbeard...@gmail.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
After being "locked" for awhile, upon unlocking, one of my three displays will
turn off, after blinking on and off (slowly) for a few seconds. It's usually
the right-most display in my case, though it's *sometimes* the middle display.
For a long time I thought it was hardware. I used to reboot whenever this
happened, and cuss while it was booting, ....
I have discovered though, that it can be restored quite easily (though it still
causes some language :).
* Launch Display Configuration (via desktop context menu).
* In the "Drag screens to re-arrange them" area, select the offending
display/screen
* Uncheck the "Enabled" checkbox below, and hit "Apply".
* Momentarily a small dialog asks you you if you want to "Keep" or "Restore"
the setting.
* Selecting "Restore" (or letting the time run out) will restore the setting,
and put it back into a working state.
STEPS TO REPRODUCE
I don't know how to cause this to happen, but I see it every couple days,
sometimes more than once in a day.
I am certain some other developers out there (having 3 or more displays) have
seen this issue.
This may be the same on Wayland, but I've only seen it on X11, because I cannot
run Wayland with Eclipse IDE (which I use for work)
SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.2
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.8.0-51-generic (64-bit)
Graphics Platform: X11
Processors: 32 × AMD Ryzen 9 7950X 16-Core Processor
Memory: 46.7 GiB of RAM
Graphics Processor: AMD Radeon RX 6600
Manufacturer: ASUS
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