Mon Grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that
# all kernel and initrd paths are relative to /, eg.
# root (hd0,9)
# kernel /boot/vmlinuz-version ro root=/dev/sda10
# initrd /boot/initrd-version.img
#boot=/dev/sda
default=1
timeout=10
splashimage=(hd0,9)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.20-2925.9.fc7xen)
root (hd0,9)
kernel /boot/xen.gz-2.6.20-2925.9.fc7
module /boot/vmlinuz-2.6.20-2925.9.fc7xen ro root=LABEL=/ rhgb quiet
module /boot/initrd-2.6.20-2925.9.fc7xen.img
title Fedora (2.6.21-1.3228.fc7)
root (hd0,9)
kernel /boot/vmlinuz-2.6.21-1.3228.fc7 ro root=LABEL=/ rhgb quiet
initrd /boot/initrd-2.6.21-1.3228.fc7.img
title Fedora (2.6.21-1.3194.fc7)
root (hd0,9)
kernel /boot/vmlinuz-2.6.21-1.3194.fc7 ro root=LABEL=/ rhgb quiet
initrd /boot/initrd-2.6.21-1.3194.fc7.img
title Ubuntu
root (hd0,7)
kernel (hd0,7)/boot/vmlinuz-2.6.20-16-generic
root=UUID=a0d55430-f901-4701-bd22-5dec714de01b ro quiet splash
locale=fr_FR
initrd (hd0,7)/boot/initrd.img-2.6.20-16-generic
quiet
title Windows XP
rootnoverify (hd0,0)
chainloader +1
La partie Ubuntu est celle que j'ai recuperer en montant ma partition / ubuntu dans fedo...
et la sortie du fdisk -l
Disk /dev/sda: 163.9 GB, 163928604672 bytes
255 heads, 63 sectors/track, 19929 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1275 10241406 7 HPFS/NTFS
/dev/sda2 1276 19929 149838255 f W95 Ext'd (LBA)
/dev/sda5 1276 2411 9124888+ 7 HPFS/NTFS
/dev/sda6 2412 7933 44355433+ 7 HPFS/NTFS
/dev/sda7 7934 9370 11542671 7 HPFS/NTFS
/dev/sda8 9371 10615 10000431 83 Linux
/dev/sda9 10616 16786 49568526 83 Linux
/dev/sda10 16787 17439 5245191 83 Linux
/dev/sda11 17440 19840 19286001 83 Linux
/dev/sda12 19841 19929 714861 82 Linux swap / Solaris