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

[Laurent Bigonville]

Le Thu, 8 May 2014 09:08:36 +0200,
Laurent Bigonville <bigon at debian.org> a écrit :

> Le Wed, 07 May 2014 17:33:01 +0200,
> Benjamin Menant <benjamin.menant at gmail.com> a écrit :
> 
> > Well, I am not sure… It’s more or less a default Jessie
> > installation. I hope those following data will help. Please let me
> > know.
> > 
> > 
> [...]
> 
> So apparently I see a session opened here so logind itself seems to
> work as expected.
> 
> But looking closer in the logs you posted, I see:
> 
> gdm3][4091]: pam_systemd(gdm3:session): Failed to create session: No
> such file or directory
> 
> This is a bit puzzling me. Could you please try to reinstall the
> libpam-systemd package maybe.
> 
> Also in the logs I see the following warning/error:
> 
> The value for the SHELL variable was not found the /etc/shells file
> 
> Are you using some fancy shell for your user?

Oh correction it seems to complain about gdm user shell:

May  6 13:10:38 ****** pkexec[3298]: Debian-gdm: The value for the SHELL
variable was not found the /etc/shells file [USER=root] [TTY=unknown]
[CWD=/var/lib/gdm3]
[COMMAND=/usr/lib/gnome-settings-daemon/gsd-backlight- helper
--set-brightness 16]