[Pkg-xfce-devel] Bug#667900: Bug#667900: [lightdm] Does not start Xsession for user without password

Yves-Alexis Perez corsac at debian.org
Sat Apr 7 12:03:31 UTC 2012

On sam., 2012-04-07 at 13:06 +0200, Marek Straka wrote:
> Package: lightdm
> Version: 1.0.9-1
> Severity: normal
> --- Please enter the report below this line. ---
> Lightdm does not start Xsession with a user that have empty password in /etc/passwd

That doesn't look like a good idea anyway.
> Tested also with the option "nullok" in
> # /etc/pam.d/common-account - authorization settings common to all services
> account required pam_permit.so nullok
> # /etc/pam.d/common-auth - authentication settings common to all services
> auth required pam_permit.so nullok
> # /etc/pam.d/common-password
> password required pam_permit.so nullok
> # /etc/pam.d/common-session
> session required pam_permit.so nullok
> As described here: http://wiki.debianforum.de/Accounts_ohne_Passwort_einrichten

Sorry but I don't read german.
> There is message in auth.log:
> Apr  5 22:52:54 dell-d620 lightdm: pam_unix(lightdm:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=  user=gast

> Tested also with gdm3. It asks for "pam_mount password:" and upon pressing "login" button starts Xsession without any password.

Sorry but I don't get what you mean here (but I don't use gdm3).

In the end, that looks like a pam issue, but I have no idea which.

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