I can confirm that it works if you do any action to the existing partition layout, or only a "pseudo-action", like changing the usage of a partition and then change it back. This makes ubuntu at least installable, to the insiders ..
-- LVM partitioning does not work with edgy beta alternative https://launchpad.net/bugs/63721 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
