Can't you boot into recovery mode? If you press ESC during the few seconds that Grub allows you to, you can choose a kernel and if you choose recovery mode, it gives you more output.
-- Can't boot using linux-image-2.6.15-26-server https://launchpad.net/bugs/56053 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
