[Pkg-xfce-devel] Bug#683373: Bug#683373: lightdm: User switching does not work under GNOME

Jonathan Michalon johndescs at gmail.com
Wed Aug 1 12:50:29 UTC 2012

Le Tue, 31 Jul 2012 15:49:31 +0200,
Yves-Alexis Perez <corsac at debian.org> a écrit :
> On mar., 2012-07-31 at 11:03 +0200, Jonathan Michalon wrote:
> > Investigations show that GNOME (shell, menu, screensaver / lock) use gdmflexiserver
> > (which may not be removed due to dependencies).
> > But gdmflexiserver uses the SESSION bus, whereas lightdm listens to SYSTEM bus.

> So you mean that GNOME stopped calling directly /usr/lib/gdmflexiserver
> but rather sends a dbus call?

Nope, GNOME uses gdmflexiserver, which in turn seems to send a dbus call (at
least everything tend to show that).
Maybe my sentence was not that clear ;)

> > Ubuntu ships a gdmflexiserver script doing the --system dbus-send call located
> > in a directory placed at the beginning of PATH which can be considered as an
> > (ugly) workaround. Listening to session bus (if this is standard) may be better.
> > 
> The script is upstream, but I remove it on purpose. But How could
> lightdm listen on the session bus, which is owned by the user, afaict.

No idea. But why remove the script, if they think that this is The Right Way™ ?

I'm no expert in that area, and as such I may be completely misleading. But as
is I can't use lightdm together with GNOME as I often need to change user.

Jonathan Michalon
IT student in Strasbourg

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