Comment 55 for bug 433928

got it on Natty i386 updated too:

gdm-binary[996]: WARNING: Unable to find users: no seat-id found

but it seems that Fedora guys have identified the reasons and found a bugfix:

https://bugzilla.redhat.com/show_bug.cgi?id=545267

its not easy to compare with them about packages as they numbered very differently but the mechanism should be the same, please devs have a look.