Plasma freezes after login

[Michael Eager]

On 9/12/23 14:21, Michael Eager wrote:
> On 9/12/23 13:45, René J.V. Bertin wrote:
>>> the gear stops rotating, but the screen remains blank and is 
>>> unresponsive.
>>
>> Can you switch to a virtual terminal (Ctrl-Alt-F1 for instance) or log 
>> in via ssh?
>> (there are ssh apps for smartphones, in case you don't have another 
>> computer with them installed.)
> 
> Ctrl-Alt-F1 is not responsive.
> 
>> I've seen cases of full lock-out except from SSH as a result of a GPU 
>> freeze - the last one of those I had with my i915-driven eGPU was when 
>> trying out an Electron-based app that tried something a bit too fancy. 
>> (IOW, a modern desktop with all bells and whistles could have that 
>> same effect, I fear.)
> 
> I can try SSH.

I can log in remotely using SSH, into the same account with the locked 
screen.  There's essentially zero CPU usage.  Plasmashell is running.

Running "killall -u <user>" brings the system back to the login window.