It might be interesting to determine whether the freezes are limited to Plasma or are happening within the kernel.
- Have you tried Control+Alt+F1/F2/F3 ... F8, to see if switching virtual consoles still works while the freezes are happening?
- Do you have another machine on the same network? You could use it to ssh into your desktop machine, and when the freezes are happening, see if they affect ssh interactivity.
There are a couple of emulation communities outside of Beehaw:
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