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

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> 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?

Ian


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