I've also run into problems with the installer not detecting existing partitions (both ntfs and ext3) with Dapper, all Edgy knots and Beta1; I have no idea what SBM is though. I filed a Bug #60639
-- parted cannot detect partitions properly when Smart Boot Manager is in use https://launchpad.net/bugs/9440 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
