I have found the root of the problem: Grub sees the boot drive as hd(0) but the installer has told it to look at hd(4). Manually configuring Grub to look at hd(0) results in a bootable system.
-- Grub refuses to boot after fresh installation https://launchpad.net/bugs/62847 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
