2011/8/3 Paul Gideon Dann <pdgiddie@xxxxxxxxx> > > Are you getting a crash report from KDE? Also, have you checked for > relevant > information in the xorg-server log? > No everything is ok in xorg-server. After kill plasma-desktop, I can login kde. Start krunner ,Firefox and other application can star up. Alt + Tab is used to switch them. So X is working normally. And KDE is not crashed. It seems plasma-desktop is runnig into a infinit loop. It takes 100% CPU power with nothing output to console. Leon > > Paul >