非root用户无法登陆X

clser

root@1[~]# cat /home/clser/.xsession-errors
/etc/gdm/PreSession/Default: Registering your session with wtmp and utmp
/etc/gdm/PreSession/Default: running: /usr/bin/X11/sessreg -a -w /var/log/wtmp -u /var/run/utmp -x "/var/lib/gdm/:0.Xservers" -h "" -l ":0" "clser"
/etc/gdm/Xsession: Beginning session setup...

waq

可能是权限问题，导致普通用户无法访问或者读写某些文件。想一想你改过什么。删除了/tmp目录？