[Debian 12 bookworm Testing, plasmashell 5.26.90]
When playing videogames using KDE Plasma, the keyboard will stop working after some time. It ONLY happens when playing videogames using the keyboard. It doesn't if using a controller or when working (and I have to type heavily). The weirdest thing I've seen is also that when this happens the Meta button still works and will be the only button to work, so at least I can restart gracefully using a mouse and the UI. Apart from that singular key, none work (not even to change TTY). The keyboard will not work in the lock screen too. The keyboard works if you select Change User in the start menu, and from the login screen the TTY can be changed.

I have tried restarting `kwin` from TTY but that only brought me to the lock screen where I still could not type. I was using `plasmashell` 5.26.4 and so I updated my system, didn't fix it.

Code: Select all

Keyboard info 
I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input0
U: Uniq=
H: Handlers=sysrq kbd leds event0
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7


I tried playing a game keeping a constant `cat` in the background to the keyboard's device character file and despite not being able to type all key presses were passing via the file, fully indicating its not an hardware issue. This does not happen on GNOME and XFCE4, only on KDE Plasma.