Confirmed. I have a EIDE/PATA hard drive, and every time I try to upgrade to 2.6.17-5, it won't boot, saying "error: /dev/hda3 does not exist". GRUB can find it fine. I have a Dell Dimension 1100, and haven't changed anything internally. -- [EGDY] Regression from 2.6.17-2 to 2.6.17-5 https://launchpad.net/bugs/53208