gdm starts only failsafe session

[Jack Wasey]

Stephane Dudzinski wrote:
> Package: gdm
> Version: 2.14.6-0ubuntu2
> Severity: grave
> Justification: renders package unusable
> 
> We have a few stations running Ubuntu Dapper. Most of them were installed during 
> beta stages. Since we upgraded them to final, GDM is not behaving properly, and 
> only allowing Failsafe session weither we try to select Gnome, KDE or XFCE as a 
> Window Manager.
> 
> This seems to be related to GDM since KDM has no problem starting any of the 
> desktop environments we have.
> 
[snip]
is /tmp writable (sudo chmod 666 /tmp) ?