https://bugs.kde.org/show_bug.cgi?id=479601
Bug ID: 479601
Summary: KDE lock screen not responding in certain conditions
Classification: Plasma
Product: kscreenlocker
Version: 5.27.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: renyune...@gmail.com
Target Milestone: ---
SUMMARY
I have configured my screen to be automatically locked after a certain timeout.
The timeout happens to be the same as "dimming the screen" (i.e. 5 min).
Usually the lockscreen works without issues. However, under certain conditions,
it will not respond to my actions: moving mouse leads to cursor movement, but
lock-screen always shows its *current/latest status*; typing on keyboard also
makes no difference.
Like indicated by the mouse cursor, the OS is responding. I can switch to tty
by, e.g., Ctrl+Alt+3.
By "current/latest status", I mean the (animation's) rendering status. For
example, if the lock-screen has finished the animation, the content will always
be that one. If the lock-screen is half-way through the animation, e.g. the
clock is dimmed, the clock will always be that dimmed one.
After tens of incidents, I noticed that this only happens when the lock-screen
has just been initiated and I immediately move my mouse trying to cancel it or
getting back from it. (I remember this worked without issues a long time ago.)
STEPS TO REPRODUCE
1. Wait until lock-screen has been (automatically) initiated
2. Move mouse immediately / within a short time-span (trying to cancel it;
within in a few seconds)
OBSERVED RESULT
Lock-screen is hung and not responding
EXPECTED RESULT
Lock-screen gets cancelled; or the lock-screen is responding normally
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.11
Kernel Version: 6.6.9-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i5-1135G7 @ 2.40GHz
Memory: 15.4 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics
Manufacturer: LENOVO
Product Name: 82G2
System Version: Yoga 14sITL 2021
ADDITIONAL INFORMATION
Initially I have dynamic wallpaper (through 3rd party package) installed, and
noticed this is easier to be triggered when using it on the lock-screen. After
removing it, it seems less easy to be triggered.
(Note, however, this did not happen in earlier versions quite some time ago,
when I initially installed the dynamic wallpaper package.)
Because I have Howdy installed as well, I noticed that the lock-screen
sometimes (if not always) triggers Howdy to recognize faces even when this bug
happens. But I never remember that the screen will be unlocked by this way when
this bug happens.
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