F3 initrd strangeness

[T. Horsnell (tsh)]

>On Mon, 2004-12-06 at 17:10 -0700, Orion Poplawski wrote:
>> T. Horsnell (tsh) wrote:
>> > I'm having problems building a diskless net-bootable FC3 kernel,
>> > and decided to take a look inside the vanilla initrd file
>> > initrd-2.6.9-1.667.img. However, if I gunzip this and try
>> > to mount it, the mount fails:
>> > Can anyone else successfully mount their FC3 initrd?
>> > Any ideas what may be stopping me?
>> > 
>> > Cheers,
>> > Terry.
>> > 
>> 
>> With FC3 (actually, with some version of mkinitrd) the initrd is an 
>> "initramfs" image:
>> 
>> # gunzip -c initrd-2.6.9-1.681_FC3.img > initrd-2.6.9-1.681_FC3.raw
>> # file initrd-2.6.9-1.681_FC3.raw
>> initrd-2.6.9-1.681_FC3.raw: ASCII cpio archive (SVR4 with no CRC)
>> 
>> So, it's a cpio archive now.
>> 
>> Note that the kernel can still handle the old initrd images as well.
>> 
>That also explains my earlier query about appending a DSDT image to the
>initrd.  This mechanism, which is very convenient for those developing a
>new DSDT, appears to be precluded in FC3 - or will, at least, have to be
>substantially revised.
>

I should have looked in the kernel /Documentation. Much info in
Documentation/early-userspace/README and buffer-format.txt.
Apologies for wasting folks' time...

Terry.



>Alistair
>
>
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