On Fri, Jun 08 2012, Canek Peláez Valdés wrote:

> On Fri, Jun 8, 2012 at 9:22 AM, Allan Gottlieb <gottl...@nyu.edu> wrote:
>> Just today I cannot log into one of my machines (the other has not had
>> an emerge since early yesterday and is ok).
>>
>> With gdm, I don't get a welcome screen.  Just the funny cursor going
>> round and round.
>
> I had a similar problem with GDM back when I first tried GNOME 3.0.
> The (very hard to track) reason was that my installation of GDM was
> really old, and the group for the gdm had changed from the 2.x days. I
> had to uninstall gdm, delete the user and group gdm, completely delete
> /var/lib/gdm, and install gdm again for it to work.
>
> What does
>
> $ grep gdm /etc/passwd
> $ grep gdm /etc/group
>
> say?
>
> Regards.

I have "fixed" the problem by downgrading polkit and udisks.
To answer your questions

oldlap ~ # grep gdm /etc/passwd
gdm:x:103:104:added by portage for gdm:/var/lib/gdm:/sbin/nologin
oldlap ~ # grep gdm /etc/group
video:x:27:root,gottlieb,gdm
gdm:x:104:gdm
oldlap ~ # 


thanks,
allan

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