https://bugs.kde.org/show_bug.cgi?id=462723
Roy <roy-orbi...@devo.net.au> changed:
What |Removed |Added
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CC| |roy-orbi...@devo.net.au
--- Comment #2 from Roy <roy-orbi...@devo.net.au> ---
I've also experienced this issue in Kubuntu 22.10, on Plasma 5.27.3, Radeon
graphics. Others have reported similar symptoms elsewhere:
https://forum.linuxcnc.org/18-computer/40384-kde-plasma-desktop-freezes-but-machine-remains-operable
https://forum.garudalinux.org/t/fixed-kde-becomes-unresponsive-but-mouse-can-still-move/11814
https://forums.opensuse.org/t/kde-freezes-randomly-and-only-the-mouse-pointer-works/127264/7
https://www.reddit.com/r/kde/comments/5gzu1l/kde_crashes_can_move_only_mouse/
For me, it seems to be more likely to occur after resuming from a long sleep
(e.g. overnight). When it occurs, it's a progression; initially the desktop
becomes less responsive and maybe typing or Alt + Tabbing will work a couple of
times before input stops completely. The mouse is not impeded at all, it moves
as smoothly as ever, but nothing is clickable. If the screen/computer goes to
sleep again, I can still wake it by tapping a key, even though the X session
doesn't respond to any presses.
If I switch to a TTY, I can't see anything hogging resources in `top`. It's
like the keyboard gets locked up by something because once I switch back to the
X session with, I can no longer switch to any TTY unless I plug in an external
USB keyboard. Then modifier key combinations of the built-in keyboard behave
strangely in the TTY though regular characters work . If I restart the sddm
service, then start a new X session, the situation is still degraded, I can
type characters again, but the modifier keys on the built-in keyboard don't
work properly. I have to reboot to get a working desktop again, sometimes I do
Magic SysReq + REISUB because it's faster.
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