default 0 timeout 5 title=Gentoo Linux root (hd0,1) kernel /boot/linux-2.6.21-gentoo-r3 root=/dev/hda4 init=/bin/bb video=vesafb:mtrr:3,ywrap,1024x768-32@60 title=Windows XP rootnoverify (hd0,0) makeactive chainloader +1 --------------- Errors received --------------- VFS = Cannot open root device "hda4" or unknown-block (0,0) Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)