Bug 450093 - Black screen with mouse on startup after disconnecting second monitor.
Summary: Black screen with mouse on startup after disconnecting second monitor.
Status: RESOLVED UNMAINTAINED
Alias: None
Product: KScreen
Classification: Plasma
Component: common (other bugs)
Version First Reported In: 5.18.8
Platform: Other Linux
: NOR normal
Target Milestone: ---
Assignee: kscreen-bugs-null@kde.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-02-12 19:28 UTC by drew.12.thompson
Modified: 2022-02-15 22:18 UTC (History)
1 user (show)

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Description drew.12.thompson 2022-02-12 19:28:14 UTC 
SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols.
See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***


STEPS TO REPRODUCE
1.  Connect second monitor.
2.  Put laptop into sleep mode.
3.  Disconnect second monitor.
4. Turn laptop back on.

OBSERVED RESULT
The "Kubuntu" logo, then a black screen with the mouse. To fix it I have to $ rm  ~/.local/share/kscreen and run  $ sudo killall sddm.

EXPECTED RESULT
A normal login screen.

SOFTWARE/OS VERSIONS
Kubuntu 20.04
KDE Plasma Version: 5.18.8
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Comment 1 Nate Graham 2022-02-15 22:18:28 UTC 
I'm afraid 5.18 is no longer supported now that we have released Plasma 5.24 as the new LTS version. Please consider upgrading when your distro offers it.