Hello,

Timothy Sample <samplet@ngyro.com> skribis:

> Could this be the same issue as <https://bugs.gnu.org/36508>?  In short,
> Guix doesn’t guarantee that the “gdm” user will have the same UID if it
> gets deleted and recreated (which happens when you remove the GDM
> service and add it again).  You can fix this by ensuring the owner of
> the files under “/var/lib/gdm” is the current “gdm” user.

If you just (1) configure with GDM, (2) reconfigure without GDM, and (3)
reconfigure with GDM again, I would expect the original UID of ‘gdm’ to
be reused in step #3, as long as it has not been reallocated in the
meantime (for instance because the user created other accounts.)

We could address this by fixing the UID and GID of the ‘gdm’ user: