Problem with grub & new kernel

[sasa]

"Ed Greshko" wrote:

> What kind of hard drives do you have?  With that info, I would boot to
> the working kernel, copy the initrd file to /tmp and rename it to add
> .gz.  Then gunzip it and use cpio to list the contents.

..sorry for my banal question but I don't known 'cpio', I must copy  in /tmp 
the file 'initrd-2.4.22-1.2115.nptlcustom.img' or the 'file 
initrd-2.4.22-1.2115.nptl.img', after this copy what I must make ??
I can add that the machine is a toshiba Satellite Pro.
thanks again.

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Salvatore.