KDE freezes for me.

[Xen]

I just want to mention that I have regular KDE GUI freezes and I have no 
clue what causes it.

It is about as nonspecific as it can get. I suspect the rest of my 
system keeps functioning as normal, so I just activated dropbear (I 
hope) as an SSH server so I can at least reset KDE from outside the 
system.

I didn't have this on my previous install on the same computer, slightly 
(say 2 weeks) before 16.04 was released, and until I installed my new 
system, some time later.

The mouse will freeze, the clock will keep ticking, and animitions 
continue to animate. The keyboard stop responding.

*Sometimes* I am capable of pressing ctrl-alt-F2, but not always.

Risk of losing work is excessive now.

I am thinking of changing to mate of cinnamon or something so I can at 
least some work done :-/.

Anyway, see ya.

Oh, and I also have regular screen flickering. However this can always 
be solved with a KDE restart (service sddm restart).

And it only happens (on ocassion) on a fresh restart, so, at some KDE 
starts there will be flickering, others (most) won't, and restarting it 
solves it, and it doesn't suddenly appear during a run (during system 
operation). This also happens in the Live environment, and I'm not sure 
if I should file a bug, or where, but I am using Nouveau drivers for an 
nVidia GPU, for all who care.

See ya.