2011/8/3 Paul Gideon Dann <pdgiddie@xxxxxxxxx> > On Wednesday 03 Aug 2011 22:25:37 Leon Feng wrote: > > 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. > > You may find strace helpful in figuring out what it's trying to do, or > maybe > attach to it with gdb to get a backtrace? > > What video driver are you using, by the way? > After debuging by gdb, problem is caused by digital clock plasmoid not handle zh_CN locale very well. Remove it or change Locale to "C" fix the problem. Bug reported as https://bugs.kde.org/show_bug.cgi?id=279434 Thanks for all people helped. Leon > > Paul >