Edit file /etc/X11/Xwrapper.config, change this line:

allowed_users=console
 
to
 
allowed_users=anybody

At least it worked for me.
 



Am Freitag, 18. Februar 2011 schrieb David C. Rankin:
> Guys,
>
> 	I started the kdm greeter and it started fine on vt:07. It listed my login
> and looked nice. I type my password, hit return and .. "Login Failed" Huh?
>
> 	I looked though kdmrc and there didn't seem to be anything that would
> prevent a user login. root wasn't allowed, but that is the default.
>
> 	Anybody else seeing this? Any thoughts on why?