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

[Dan Cardamore <dan@xxxxxx>]

On Tue, Nov 23, 2004 at 10:47:08PM +0000, Dan Cardamore wrote:
> 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.

I managed to figure out that this is related to devfs.  Whenever I have
devfs support compiled in it panics.  This is even if I don't mount
devfs (devfs=mount) and don't have "Automatically mount at boot time" in
the kernel config.

Anyone know why?  This is a significant nuisance if you're running a
gentoo system.

Thanks,

Dan
--
Dan Cardamore
dan@xxxxxx


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