This should be fixed by the new advanced partitioner in Feisty, in which it's easy just to check or uncheck the format flag.
** Changed in: ubiquity (Ubuntu) Assignee: (unassigned) => Colin Watson Status: Unconfirmed => Fix Released -- "Mounted Partition" error in manual partitioner https://launchpad.net/bugs/47028 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs