[quote=“etxeberrizahar”]/etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b / ext3 errors=remount-ro 0 1
/dev/sda5 none swap sw 0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
Ne connaissant pas l’UUID de /dev/hda5, je me suis contenté de le modifier en /dev/sda5.
cdrom -> sr0
Menu.lst
Ai remplacé /dev/hda1 par UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b dans les définitions des racines et de
kopt , ajout d’une entrée /vmlinuz +UUID (“incassable”… ou presque ).
[code]
menu.lst - See: grub(8), info grub, update-grub(8)
grub-install(8), grub-floppy(8),
grub-md5-crypt, /usr/share/doc/grub
and /usr/share/doc/grub-legacy-doc/.
default num
Set the default entry to the entry number NUM. Numbering starts from 0, and
the entry number 0 is the default if the command is not used.
You can specify ‘saved’ instead of a number. In this case, the default entry
is the entry saved with the command ‘savedefault’.
WARNING: If you are using dmraid do not change this entry to ‘saved’ or your
array will desync and will not let you boot your system.
default 0
timeout sec
Set a timeout, in SEC seconds, before automatically booting the default entry
(normally the first entry defined).
timeout 5
Pretty colours
color cyan/blue white/blue
password [’–md5’] passwd
If used in the first section of a menu file, disable all interactive editing
control (menu entry editor and command-line) and entries protected by the
command ‘lock’
e.g. password topsecret
password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
password topsecret
examples
title Windows 95/98/NT/2000
root (hd0,0)
makeactive
chainloader +1
title Linux
root (hd0,1)
kernel /vmlinuz root=/dev/hda2 ro
Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
BEGIN AUTOMAGIC KERNELS LIST
lines between the AUTOMAGIC KERNELS LIST markers will be modified
by the debian update-grub script except for the default options below
DO NOT UNCOMMENT THEM, Just edit them to your needs
## Start Default Options
default kernel options
default kernel options for automagic boot options
If you want special options for specific kernels use kopt_x_y_z
where x.y.z is kernel version. Minor versions can be omitted.
e.g. kopt=root=/dev/hda1 ro
kopt_2_6_8=root=/dev/hdc1 ro
kopt_2_6_8_2_686=root=/dev/hdc2 ro
kopt=root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b ro
default grub root device
e.g. groot=(hd0,0)
groot=(hd0,0)
should update-grub create alternative automagic boot options
e.g. alternative=true
alternative=false
alternative=true
should update-grub lock alternative automagic boot options
e.g. lockalternative=true
lockalternative=false
lockalternative=false
additional options to use with the default boot option, but not with the
alternatives
e.g. defoptions=vga=791 resume=/dev/hda5
defoptions=quiet
should update-grub lock old automagic boot options
e.g. lockold=false
lockold=true
lockold=false
Xen hypervisor options to use with the default Xen boot option
xenhopt=
Xen Linux kernel options to use with the default Xen boot option
xenkopt=console=tty0
altoption boot targets option
multiple altoptions lines are allowed
e.g. altoptions=(extra menu suffix) extra boot options
altoptions=(single-user) single
altoptions=(single-user mode) single
controls how many kernels should be put into the menu.lst
only counts the first occurence of a kernel, not the
alternative kernel options
e.g. howmany=all
howmany=7
howmany=all
should update-grub create memtest86 boot option
e.g. memtest86=true
memtest86=false
memtest86=true
should update-grub adjust the value of the default booted system
can be true or false
updatedefaultentry=false
should update-grub add savedefault to the default options
can be true or false
savedefault=false
## End Default Options
title Debian GNU/Linux, kernel 2.6.36-hyperv
root (hd0,0)
kernel /boot/vmlinuz-2.6.36-hyperv root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b ro quiet
initrd /boot/initrd.img-2.6.36-hyperv
title Debian GNU/Linux, kernel 2.6.36-hyperv (single-user mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.36-hyperv root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b ro single
initrd /boot/initrd.img-2.6.36-hyperv
title Debian GNU/Linux, kernel 2.6.26-2-686
root (hd0,0)
kernel /boot/vmlinuz-2.6.26-2-686 root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b ro quiet
initrd /boot/initrd.img-2.6.26-2-686
title Debian GNU/Linux, kernel 2.6.26-2-686 (single-user mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.26-2-686 root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b ro single
initrd /boot/initrd.img-2.6.26-2-686
en bonus , ajout de /vmlinuz, lien vers le dernier noyau installé en date
title vmlinuz
root (hd0,0)
kernel /vmlinuz root=UUID=70c6922c-c325-4fc8-b832-f481eb2d0c8b
initrd /initrd.img
END DEBIAN AUTOMAGIC KERNELS LIST
[/code][/quote]
C’est good 
Merci pour ton aide, maintenant je boot bien sur le noyau souhaité 
Bon je bloque toujours sur la détection d’un second coeur par la vm mais j’avance.
Si d’ailleurs quelqu’un a des infos, je suis preneur
Merci en tout cas à tous.
