Bug 450093

Summary:	Black screen with mouse on startup after disconnecting second monitor.
Product:	[Plasma] KScreen	Reporter:	drew.12.thompson
Component:	common	Assignee:	kscreen-bugs-null <kscreen-bugs-null>
Status:	RESOLVED UNMAINTAINED
Severity:	normal	CC:	nate
Priority:	NOR
Version First Reported In:	5.18.8
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description drew.12.thompson 2022-02-12 19:28:14 UTC

SUMMARY
***
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***


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.