*** This bug is a duplicate of bug 13851 *** Yes, this is the known issue. /boot ext2 (first partition) and / xfs (second partition), and a 1gb swap partition as 3rd partition installed fine.
Marking as duplicate. PLEASE warn people about this :) ** This bug has been marked a duplicate of bug 13851 Grub will not install to XFS Formatted Partition -- Installer failure https://launchpad.net/bugs/51559 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs