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Re: [Xen-devel] Re: domU kernel panic with root fs

To: Dan Cardamore <dan@xxxxxx>
Subject: Re: [Xen-devel] Re: domU kernel panic with root fs
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 23 Nov 2004 23:31:17 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
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In-reply-to: Your message of "Tue, 23 Nov 2004 22:47:08 GMT." <loom.20041123T234432-861@xxxxxxxxxxxxxx>
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> Bjoern Sessler <bjoern.sessler <at> web.de> writes:
> > 
> > Hi,
> > 
> > i installed xen 2.0 on my new installed gentoo box. xen0 works great, 
> > but i can't get domU kernel to mount root fs:
> > 
> > VFS: Cannot open root device "sda5" or unknown-block(8,5)
> > Please append a correct "root=" boot option
> > Kernel panic - not syncing: VFS: Unable to mount root fs on 
> > unknown-block(8,5)
> I'm having the exact same problem, does anyone know of a solution?
> From dom0 I can 'mount -o loop rootfs /mnt/loop' no problems.  It's an ext3
> filesystem which my 2.4.27 kernel supports.

What does your "disks=" line look like?
file:/path/to/rootfs,sda5,w ?

In the boot log does it find the partitions on the virtual sda
OK? What happens if you export it as sda1 instead of sda5?


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