Changing initrd contents and grub

[Bruno Wolff III]

On Mon, Jun 23, 2008 at 10:39:35 -0600,
  Phil Meyer <pmeyer at themeyerfarm.com> wrote:
>
> I am pretty sure that a modern mkinitrd will make almost all need for  
> manual edits of an initrd image unnecessary.

If there is a difference in the modules needed between the running kernel
and the kernel you want to generate there can be problems generating the
module list. I ran into this when I did a yum upgrade from FC6 to F9 and
wanted to do the whole process remotely.