https://bugs.kde.org/show_bug.cgi?id=464798
Bug ID: 464798
Summary: Second monitor is always black on startup. Have to
lock the screen to SDDM to have a chance at fixing it
Classification: Plasma
Product: plasmashell
Version: 5.26.90
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: cirlo...@msn.com
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
SUMMARY
When booting in wayland session (X11 not tested), the secondary monitor is
always black. The mouse cursor goes through the primary display, but it is not
viewed in the second as if the display was not connected. In monitor settings
the display is detected and enabled.
I always have to lock the session. SDDM, then, turns on the secondary display
and I can finally use it in KDE Plasma as well.
I hoped bug 450068 fixed it, but it apparently didn't. I'm on kde-testing on
Arch Linux.
Some of the noticed settings upon booting:
in .config/plasmashellr:
[ScreenConnectors]
0=HDMI-A-4
2=Virtual-Virtual1
in .config/plasma-org.kde.plasma.desktop-appletsrc
a new plugin=org.kde.plasma.folder with lastScreen=2 is created.
lastScreen=1 components are still present.
in .config/kcminputrc
there is nothing pertinent to monitors
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux (Wayland session)
KDE Plasma Version: 5.26.90
KDE Frameworks Version: 5.102.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
GPU: AMD R9 380
Monitors:
1. Samsung LC24RG50
2. Samsung S24B150
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