Comment # 2 on bug 1013550 from Michael Hirmke

(In reply to Tomas Jensen from comment #1)
> Same on a HP6320nc.
> 
> The issue is descriped here: 
> https://bugs.kde.org/show_bug.cgi?id=349519

No, it isn't.
This is why I wrote:

In found a few bug reports for plasma freezes, but none of them seems to
fit exactly.

> 
> Fix is to:

No, this doesn't fix my problem.
Sorry, I forgot to write before, that I already tested that option.
According to Xorg.0.log the uxa option was recognized, but the problem still
remained. Just to be sure, I tested it a second time today - still no go.

[...]
> 
> X can be restarted by hitting CTRL+ALT+BACKSPACE or you could escape to a
> shell with CTRL+ALT+F12 and then ALT+F1

You don't need to kill the X serverin my case, restarting plasmashell is
enough.

Btw.: Switching off notifications completely also is a workaround in my case.

> 
> /Tomas

Thx anyway for your answer.

Bye.
Michael.