I probably found my solution: I turned off composite
Section "Extensions"
Option "Composite" "Enabled"
EndSectionin xorg.conf and generated new one with dpkg-reconfigure xserver-xorg Since then no freezing again. :-) -- kdm crash due to corrupted ~/.face.icon file https://launchpad.net/bugs/37529 -- kubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
