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[Xen-fr] domUs crash au reboot

Bonjour,

j'ai installé xen 3.0.4-1 à partir des sources sur une centos4.4, et j'ai 
construit une image basée sur la même distribution.

Lorsque je crée mes VMs (xm create vmX), celles ci démarrent correctement. Si 
je les arrete (xm destroy vmX) et que je les relance (xm create vmX) elles 
démarrent également correctement.
Par contre, si je relance mes VMs à l'interieur de leur console via un appel 
'reboot', aléatoirement mes VMs crash !!!
J'observe des timeout :
_______________________________________________
Démarrage normal (xm create):

...
netfront: Initialising virtual ethernet driver.
Registering block device major 8
blkfront: sda1: barriers enabled
blkfront: sda2: barriers enabled
blkfront: sda4: barriers enabled
blkfront: sda3: barriers enabled
blkfront: sda5: barriers enabled
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
...

________________________________________________
reboot dans ma VM

...
register_blkdev: cannot get major 8 for sd
xen_blk: can't get major 8 with name sd
vbd vbd-2053: 19 xlvbd_add at /local/domain/0/backend/vbd/15/2053
XENBUS: Timeout connecting to device: device/vbd/2049 (state 3)
XENBUS: Timeout connecting to device: device/vbd/2050 (state 3)
XENBUS: Timeout connecting to device: device/vbd/2052 (state 3)
XENBUS: Timeout connecting to device: device/vbd/2051 (state 3)
XENBUS: Timeout connecting to device: device/vbd/2053 (state 6)
IP-Config: Complete:
      device=eth0, addr=165.10.10.112, mask=255.255.254.0, gw=165.10.10.5,
     host=165, domain=, nis-domain=10.10.15,
     bootserver=1.2.3.4, rootserver=1.2.3.4, rootpath=
Freeing unused kernel memory: 388k freed
Red Hat nash version 4.2.1.8 starting
Mounted /proc filesystem
Mounting sysfs
Creating /dev
Starting udev
Loading cciss.ko module
HP CISS Driver (v 2.6.10)
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!

Evidemment il ne trouve plus mes partitions systèmes et me plante ma VM
_________________________________________________________________

Comment puis-je résoudre ce problème?

Merci d'avance.


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