Keyboard not working after suspend to disk in 11.1


I have just upgraded my system from openSUSE 11.0 to 11.1. If I suspend the machine to disk with powersave -U and resume, my keyboard does not work. Pressing keys have no effect, not even Num Lock changing the led. It is on X window system. My mouse works.
If I start a new session with mouse, my keyboard works again, and it continues to work if I switch back to the X where it did not work after the resume.
I had no such problem in 11.0.

Do you have any idea what can cause such a problem?

Grósz Dániel

Update: it works also if I unplug the keyboard and plug it in again.