I just upgraded to feisty (2.6.20). I'm getting the same problem. Added 2.6.20 as affected.
** Also affects: linux-source-2.6.20 (Ubuntu) Importance: Undecided Status: Unconfirmed -- Sata disk not identified during install (Ati sb600) https://launchpad.net/bugs/75055 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs