https://bugs.kde.org/show_bug.cgi?id=440639
Bug ID: 440639
Summary: Black screen with cursor when resuming from sleep with
a different display configuration
Product: ksmserver
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY
The lock screen gets confused by multi monitor setups and shows a black screen
with the mouse cursor if we change the monitors configuration while the
notebook is sleeping.
Note if I disable 'lock after wake from sleep', the problem disappears.
STEPS TO REPRODUCE
1. With an external monitor connected through Notebook-DP > DP-HDMI adapter >
Monitor-HDMI, put the notebook to sleep (it locks the screen)
2. Disconnect the HDMI cable
3. Wake the notebook up
ALTERNATIVE STEPS TO REPRODUCE
1. With an external monitor connected through Notebook-DP > DP-HDMI adapter >
Monitor-HDMI, put the notebook to sleep (it locks the screen)
2. Wake the notebook up (lock screen is visible on both screens)
3. Disconnected the HDMI cable
OBSERVED RESULT
Black screen with cursor on the notebook screen
EXPECTED RESULT
Lock screen where I can type the password should be visible
Operating System: Manjaro Linux
KDE Plasma Version: 5.22.4
KDE Frameworks Version: 5.84.0
Qt Version: 5.15.2
Kernel Version: 5.10.53-1-MANJARO (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 620
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