Had some sort of this bug on Karmic. In my case one user was able to login, but another wasn't. The problem was in difference in screen resolution between GDM and user session. It was important to me to keep current resolution in the user session, so I set GDM's resolution to be same as user's.
-- Unable to load file '/etc/gdm/custom.conf' https://bugs.launchpad.net/bugs/500377 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs