Unable to mount root fs on unknown-block(202,3)

[Luciano Rocha]

On Fri, Oct 12, 2007 at 11:53:20AM +0530, Rajeev Bansal wrote:
> Hello All,
>  
> I am trying to build a custom initrd using the busybox. In my initrd I 
> have modified the /sbin/init to a init script which I am mentioning below,

Initramfs uses /init, not /sbin/init (that's old-style initrd, where it
is a filesystem image).

<snip>
> checking if image is initramfs...<6>Switched to high resolution mode on 
> CPU 0
>  it is
</snip>

Well, the kernel believes it is an initramfs archive, but you didn't put
a /init there.

<snip>
> VFS: Cannot open root device "<NULL>" or unknown-block(202,3)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on 
> unknown-block(202,3)
</snip>

It ended up trying to mount the block-major 202, which belongs to Xen
(xvda3).

-- 
lfr
0/0
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