Sorry for my delayed response, somehow I must have overlooked the mail about your question. As all my edgy installations are dapper installations updated live, so I just made a quick test with a VMWare virtual machine (installed edgy, shutdown, pretended install again), and it seems the problem has gone away.
-- dapper installer insists on partition table change https://launchpad.net/bugs/50865 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs