Bug#747292: gdm3: Unable to login after last upgrade (version 3.8.4-7): fails to start a GNOME session

[Laurent Bigonville]

Le Thu, 08 May 2014 11:20:41 +0200,
Benjamin Menant <benjamin.menant at gmail.com> a écrit :

> The issue occurred again:
> 
> 0. I submit the login form.
> 1. I see a frozen desktop few seconds (while it should pop-in with a
> fancy effect).
> 2. The screen shutdown (standby).
> 3. If I hit a key, I see the curtain screen.
> 4. If I unlock it, I see the login screen, showing « authentication
> error ».
> 
> I attached the logs.

Could you try to add "debug=yes" after the call to pam_systemd in the
pam config and attached the auth.log file here again?

Could you also check if you have a /run/user/$UID directory created?

Otherwise I'm running out of idea :/