livecd boot # yabootconfig --chroot /mnt/gentoo/
yaboot is the Linux Loader for PowerPC.  yabootconfig sets up your system to boot directly
from your hard disk, without the need for a boot CD, floppy or a network boot.
Install yaboot bootstrap on /dev/hda2 to boot Linux from /dev/hda6? [Yes]
Creating a simple /mnt/gentoo/etc/yaboot.conf...
yabootconfig: Could not determine necessary information, aborting...
yabootconfig: Are you using chroot yabootconfig instead of yabootconfig --chroot ?