> > On Mon, Mar 24, 2014 at 8:44 AM, John Frankish <j-frankish slb com> wrote:
> > I'm trying to use gdm on a very basic system using components compiled separately, "linux from scratch" style using the 3.10.x version of the various gnome components.
> >
> > Although gdm starts, it does not start properly - there's no top panel, side panel, etc.
> >
> > Is there any documentation available that explains how to use gdm on a basic system:
> >
> > What is required in .xsession?
> > What is required in terms of linux-pam/polkit rules?
> >
> > Although I have debug enabled, all I get at the moment is:
> >
> > gdm[15620]: Enabling debugging
> > gdm[15620]: Changing user:group to tc:staff
> > gdm[15620]: Failed to create ran once marker dir /var/run/gdm: Operation not permitted
> Hi, try to set up the gdm dir to be owned by the user gdm is run as. Usually you have a gdm user.
>
This system has only three combinations of user/group:
tc:staff, root:staff and root:root
gdm was compiled with switches to set the user:group to tc:staff
> > gdm[15620]: GLib: GError set over the top of a previous GError or uninitialized memory.
>> This indicates a bug in someone's code. You must ensure an error is NULL before it's set.
> > The overwriting error message was: Operation not permitted
> > gdm[15620]: Failed to create LogDir /var/log/gdm: Operation not permitted
> Same here, seems a permissions problem.
>
In fact this error occurs even when gdm is started as root, which perhaps indicates something is needed in terms of linux-pam/polkit rules for gdm, but if so, what?
> > gdm[15620]: Only the root user can run GDM