[Pkg-xfce-devel] Bug#679386: Bug#679386: Bug#679386: lightdm: Language selection is ignored in session, $LANG is system default

Yves-Alexis Perez corsac at debian.org
Mon Jul 23 08:33:32 UTC 2012

On lun., 2012-07-23 at 00:33 -0700, ian_bruce at fastmail.net wrote:
> On Mon, 23 Jul 2012 07:59:32 +0200
> Yves-Alexis Perez <corsac at debian.org> wrote:
> > It seems that this was done on purpose because, apparently, the data
> > should come from PAM. See upstream bug for more details.
> Presumably you mean here:
> https://bugs.launchpad.net/lightdm/+bug/1019314

Yes, that's the target of the forwarded tag.
> I agree with your description of the situation, except for this:
>     In 1.2, when the user selects the locale in LightDM greeter, it's
>     set for the session and saved in .dmrc. Then for the following
>     sessions, nothing loads .dmrc and the locale is not correctly set.
> That's not what I'm seeing.
> In 1.2, when the user selects the locale in the LightDM greeter, it's
> saved in ~/.dmrc, but it IS NOT set in the environment for that session,
> or any other.

Ok, will correct upstream bug (or feel free to do it in case you have a
launchpad account, but don't bother creating one if you don't).
> See my comment on the Debian bug report, and the explanation by the
> original submitter, which are in agreement on this point:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=679386
> In other words, LightDM locale selection is currently completely
> useless, because it has no effect at all on the session being started,
> or any subsequent one.
> One might ask why a Pluggable Authentication Module ought to be
> responsible for things which clearly have nothing to do with
> authentication, such as locale selection, especially when they are
> liable to change at every login.

PAM is more than authentication, it handles quite some login-related
stuff. And maybe it makes sense to store login-specific settings like
locales into PAM. But my feeling is that it's not the case. It seems
that PAM (through pam_env module) only handles /default/ environment,
taken from /etc/environment. So while it might be useful to have a
default setting for the box, it's plain useless for user-specific
settings. So if my analysis is right, I'm a bit puzzled about the

Note that you might try with accountsservice installed, it might help.

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