I have the same bug with Feisty Herd 5 with the exception that this is a sata hard drive.
lspci gives: 00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev 02) This problem was not present with Edgy. -- System not booting after upgrade from edgy to feisty (2006-02-11) https://launchpad.net/bugs/84675 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs