On Wed, Jul 5, 2017 at 3:23 PM, Adam Williamson
IIRC, gdm just doesn't *let* you log in as root at all. Are you
this person was running GNOME? You *can* get to KDE with only a root
user, I believe.
This got reverted some time ago.
Now, half the desktop will be royally broken if you log in as root, and
there's no way we'd ever claim to support that. But it's unfortunately