https://bugs.kde.org/show_bug.cgi?id=465570
Bug ID: 465570
Summary: Primary display lost wallpaper (showing black screen)
after waking up
Classification: Plasma
Product: plasmashell
Version: 5.26.5
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: shallp...@gmail.com
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
Created attachment 156142
--> https://bugs.kde.org/attachment.cgi?id=156142&action=edit
error log upon screen turning on
SUMMARY
I know this is probably related to https://bugs.kde.org/show_bug.cgi?id=353975
however I feel like I cannot be certain it is ConnectorId being messed up upon
screen being turned off then turned on. So I would like to report it here just
in case this is another bug:
I am running on an AMD 5700xt with two identical LG 4k monitors (A and B, with
A being the primary on the left side) connected through display port. I noticed
that (almost 100% reliably) each time when the monitor being shut off then
turned on (either manually or through inactivity), the primary (always this
one) display A will lose wallpaper (showing a black desktop) and right-click
does not pop up the context menu. However mouse cursor can move into this
screen just fine.
Additionally, I noticed that if I set monitor B as primary and switch it to
"right" side in system settings, I can no longer observe this issue. So it
likely has something to do with the screen positions and order.
~/.config/plasmashellrc
```
[ScreenConnectors]
0=DP-1
1=DP-3
```
I am also attaching the log immediately following the screen turning on.
STEPS TO REPRODUCE
1. turn off both screen
2. turn on them both
OBSERVED RESULT
Primary display lost wallpaper showing blank screen (but panel is visible and
operable)
EXPECTED RESULT
Showing desktop normally
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.26.5
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