I can't confirm this bug on Feisty up-to-date, with linux- image-2.6.19-7-generic installed yesterday.
Ubuntuforums.org thread: http://ubuntuforums.org/showthread.php?t=312851 -- Wrong boot hdx,x in menu.lst https://launchpad.net/bugs/74486 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs