Comment # 24 on bug 1013200 from Patrick Schaaf

(In reply to Egbert Eich from comment #20)
> 
> Switching the DM would be something to try out as well...

Switched to kdm - NO ISSUE.

(accidentally first installed gdm, that drew in over 200 packages, of which
"zypper remove -u gdm" only could remove 97 again. just noting...)

I'll give up for today. But if there's other things to try, I can do that
during the weekend.