Same bug in my case, but with "gdm 2.28.0-0ubuntu12".
As other have mentioned, I also performed the apt-get upgrade process as
root when this happened.
"dpkg -s gdm" show the status as "install ok installed", but apt.log has
the following:
Setting up gdm (2.28.0-0ubuntu12) ...
Installing new ver
I had this issue on the last alpha, and just burned a CD with the newest
beta released today and can confirm that this issue is still present in
a fresh install of the "Oct 1 beta release". I also have no grub menu as
a previous poster mentioned, and also find that it automatically boots
the defaul