Thanks, that's what I was looking for --- where the configuration was set that blocked root logon.
Clues re how I can reconfigure my system to let root logon to X via gdm? pippin[11:45] ~% grep AllowRoot /etc/gdm/gdm.conf AllowRoot=false randolph
Clues re how I can reconfigure my system to let root logon to X via gdm?
pippin[11:45] ~% grep AllowRoot /etc/gdm/gdm.conf AllowRoot=false randolph