This is an old thread I found in the archives (so I have no choice than breaking the thread) It has surely been resolved since but in doubt I will answer anyway because I had the same problem.
This is simple, when the disk is full users can't write to tmp so X is killing himself. Only root can log in. Next time that someone talk about this we'll know what to answer ;-) > > Does this happen for all users, or just charles? > > It happens just for charles, for other users (for example root) it works. > > I've tried dpkg --purge kdm and reinstalling it to get clean configuration > files but it did not solve my problem. > > What is happening when I try to log with user charles is that the screen goes > black for a second and kdm resets itself. So I guess, that after the > authentification the X server crashes and resets itself. > > When I try to log through KDM with user charles, I get > the /home/charles/.xsessions-error > > Xlib: connection to ":0.0" refused by server > Xlib: Protocol not supported by server > > xrdb: Can't open display ':0' -- Fabien Meghazi http://www.amigrave.com

