hoary / gnome problem

[gilligan]

On Sun, 2004-12-05 at 23:40 +0100, Tobias Pflug wrote:
> i just upgraded to hoary and ran into some problems with gnome.
> The following is from ~/.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" "gilligan"
> /etc/gdm/Xsession: Beginning session setup...
> mkdtemp: private socket dir: Permission denied
> 
> any kind of suggestions/help is greatly apreciated.. ;-]

just fixed the problem myself.
The problem was that the r/w privileges of /tmp were changed and user
gilligan could not create any files in /tmp anymore.

I really wonder what script caused that..