I can confirm Grub error 21 on a Dell Precision 450 running a dual boot system with XP on the first IDE disk and Ubuntu freshly installed (never accessed) on the second IDE disk. The CD I was using was Gutsy Ubuntu 7.10 alternate i386.
-- Grub - Error 21 returned https://bugs.launchpad.net/bugs/8978 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs