Erreur 17 grub

bonjour, j'ai une erreur 17 au démarrage et je n'arrive pas a la solutionner.

voilà, en gros, j'ai une partition XP, une debian et une slackwave. Xp et Debian fonctionne mais pas slackwave erreur 17

fdisk :

Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hda1 1 6374 51199123+ 7 HPFS/NTFS
/dev/hda2 8446 9728 10305697+ f W95 Ext'd (LBA)
/dev/hda3 * 6375 8445 16635307+ 83 Linux
/dev/hda5 8542 9728 9534546 b W95 FAT32
/dev/hda6 8446 8541 771057 82 Linux swap / Solaris

Partition table entries are not in disk order

et mon fichier menu.lst :

## ## End Default Options ##

title Debian GNU/Linux, kernel 2.6.18-5-686
root (hd0,2)
kernel /boot/vmlinuz-2.6.18-5-686 root=/dev/hda3 ro
initrd /boot/initrd.img-2.6.18-5-686
savedefault

title Debian GNU/Linux, kernel 2.6.18-5-686 (single-user mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.18-5-686 root=/dev/hda3 ro single
initrd /boot/initrd.img-2.6.18-5-686
savedefault

### END DEBIAN AUTOMAGIC KERNELS LIST

# This is a divider, added to separate the menu items below from the Debian
# ones.
title Other operating systems:
root


# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/hda1
title Windows NT/2000/XP
root (hd0,0)
savedefault
makeactive
chainloader +1


# This entry automatically added by the Debian installer for an existing
# linux installation on /dev/hda5.
title Slackware Linux (Slackware 11.0.0) (on /dev/hda5)
root (hd0,4)
kernel /boot/vmlinuz-2.6.18-5-686 root=/dev/hda5 ro
initrd /boot/initrd.img-2.6.18-5-686

savedefault
boot


# This entry automatically added by the Debian installer for an existing
# linux installation on /dev/hda5.
title Slackware Linux (Slackware 11.0.0) (on /dev/hda5)
root (hd0,4)
kernel /boot/vmlinuz root=/dev/hda5

savedefault
boot

quelqu'un aurait-il une idée ?

merchi.