I'm getting the same gdm issue in i386. its not a 64 bit specific issue. I'm also not using any PPAs: just straight up karmic and a few medibuntu packages.
My work around is using a xfce session from via xubuntu-desktop -C -- X fails to start up after mesa+git update - gdm loops after logging in https://bugs.launchpad.net/bugs/419126 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