https://bugs.kde.org/show_bug.cgi?id=460770
Bug ID: 460770
Summary: Moving mouse during monitor power save blocks input
Classification: Plasma
Product: Powerdevil
Version: 5.25.5
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: ppf...@gmail.com
CC: m...@ratijas.tk
Target Milestone: ---
SUMMARY
***
Interrupting the monitor power save at the right moment puts the system into
input-blocked state.
***
STEPS TO REPRODUCE
1. wiggle mouse during the short screen dimming animation, before the power
save
OBSERVED RESULT
Keyboard is totally locked out, including ctrl-alt-Fkeys to switch TTY. Mouse
cursor can move but buttons are blocked. System is still responsive, and Plasma
GUI shows hover animations (such as thumbnail pop-ups on the taskbar) and other
signs of life. With no way to interact with system, a reset is the only
apparent escape.
The system returns to normal if a second monitor power save cycle completes. In
normal use this won't be obvious since it involves a long wait.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.19.13-1-MANJARO x86_64
KDE Plasma Version: Plasma 5.25.5
ADDITIONAL INFORMATION
Reproduce by setting the monitor power save to 1 minute and use phone stopwatch
to time the mouse wiggle :)
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