I have the same issue. syslog:
/var/log/syslog.1:Aug 23 15:58:18 eniac kdm[3441]: X server for display :0 terminated unexpectedly /var/log/syslog.1:Aug 23 15:58:18 eniac kdm[3441]: Unable to fire up local display :0; disabling. -- [GM965] Kubuntu: after logging out, the KDM login session opens no more https://bugs.launchpad.net/bugs/404439 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp