dom0 - VFS: Cannot open root device

dom0 - VFS: Cannot open root device

[Marco Crociani - Tyrael]

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Hi all.
I'm trying to use xen unstable but I has a problem during boot of dom0.
This is the error:

VFS: Cannot open root devise "sda3" or unknown-block(2,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(2,0)

This is my /boot/grub/menu.lst:

...
title Xen 3.0
root (hd0,0)
kernel /xen-3.0.gz dom0_mem=131072 console=vga
module /vmlinuz-2.6-xen0 root=/dev/sda3 ro console=tty0
boot

This is /etc/fstab:

proc /proc proc defaults 0 0
/dev/sda3 / ext3 defaults,errors=remount-ro 0 1
/dev/sda1 /boot ext3 defaults 0 2
/dev/sda5 none swap sw 0 0
/dev/hdd /media/cdrom0 iso9660 ro,user,noauto 0 0

The motherboard is a Tyan Thunder K8SRE with 2 AMD Opteron Dual Core and
SATA HD.
Bye,

--
Marco L. Crociani - Tyrael
* Perchè usare Formati Aperti? - http://www.openformats.org
* Debian GNU/Linux - http://www.debian.org

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Re: dom0 - VFS: Cannot open root device

[Vincent Hanquez]

On Thu, Dec 01, 2005 at 04:17:47PM +0100, Marco Crociani - Tyrael wrote:
> VFS: Cannot open root devise "sda3" or unknown-block(2,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(2,0)
> [snip]
> The motherboard is a Tyan Thunder K8SRE with 2 AMD Opteron Dual Core and
> SATA HD.

Hi,

did you have your SATA drive recognize ?
if no, please make sure you have enabled CONFIG_SCSI_SATA_NV in Dom0
(which seems to be the chipset of this motherboard)

if yes please provide your full dmesg.

Cheers,
-- 
Vincent Hanquez