Triple-boot between Slackware, Ubuntu & XP w/ grub in the MBR. The entry for XP is messed up, yielding grub Error 13: 'Invalid or unsupported executable format'.
Code:
...yadda, yadda...
title Ubuntu 8.10, memtest86+
uuid b410c8f1-2f59-4585-9fc6-12c1ece402ac
kernel /boot/memtest86+.bin
quiet
# This entry automatically added by the Debian installer for an existing
# linux installation on /dev/sda1.
title microShaft (on /dev/sda1)
root (hd0,1)
savedefault
makeactive
chainloader +1
NVM! (hd0,0) is the first partition! I was trying to boot swap (hd0,1). Doh!
NPCs of Cyrodiil beware, for something wicked your way comes.