Re: kernel-panic - not syncing:VFS: Unable to mount root fs on unknown -block (0.0)

[Arjan van de Ven <arjan infradead org>]

On Fri, 2006-04-07 at 20:31 +0530, sailaja reddy wipro com wrote:
> Hi All,
> 
>  
> 
> We have updated the RHEL4 WS base version (Kernel: 2.4.9-5.EL) to
> RHEL4 Update3 version (downloaded
> from:https://rhn.redhat.com/network/software/channels/downloads.pxt?cid=2869)
> 
>  
> 
> We installed the kernel src rpm (kernel-2.6.9-34.EL.src.rpm) and
> recompiled the kernel. When tried to boot from latest kernel, we
> observed following message:
> 
>  
> 
> “kernel-panic - not syncing:VFS: Unable to mount root fs on unknown
> -block (0.0)”

you probably didn't make an initrd or forgot to compile in a key
component you need...

"make install" in the kernel source tree is a good way to make sure
there is a valid initrd...