I tried to install Edgy on the same computer 3 days ago with the current edy CD image and I got the same problem. I don't understand why the Debian installer are working on this machine and the ubuntu installer freezes :-/
-- freezes on boot https://launchpad.net/bugs/47241 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs