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SubjectRe: initrd does not boot in 2.6.3, working in 2.4.25
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On Friday 05 March 2004 19:06, William Lee Irwin III wrote:
> On Friday 05 March 2004 13:04, William Lee Irwin III wrote:
> >> nfsroot works in 2.6.3 and above here. I'm not sure you need it per se
> >> for initrd's; I think the way it's intended to work with that is for
> >> the scripts to configure network interfaces, mount the nfsroot, and then
> >> pivot_root(). Can you try without initrd?
> >> Also, try passing ip= for these things.
>
> On Fri, Mar 05, 2004 at 06:31:31PM +0200, Denis Vlasenko wrote:
> > I run these things everyday.
> > nfsroot and ip=.... works, no question about that.
> > Just imagine all-modular kernel which needs to load ethernet driver
> > first, *then* mount nfs root and pivot_root. Or nfsroot-over-wireless :)
> > --
> > vda
>
> For this, you should probably script the initrd to do the IP
> configuration and mount the nfsroot before pivot_root().

Exactly. For now I don't really need it, but decided to
try it just in case I'll need it later. I stuffed
udhcp and nfs tools into initrd, played with it a bit,
and finally managed to make it work under 2.4.25.

Then I tried 2.6.3 with the _same_ initrd and same
bootloader.

2.6.3 refuses to recognize my initrd as root fs.
It even mounts it on / but then suddenly acts
as if I specified root=/dev/nfs. I _didn't_.
I said root=/dev/ram, then tried root=/dev/ram0,
root=/dev/ram/0, root=/dev/rd/0.
All to no avail:

VFS: Mounted root (ext2 filesystem) <-- mounts initrd on /
Mounted devfs on /dev

(here 2.4.25 would say "Freed unused kernel mem..." and happily exec init)

Root-NFS: No NFS server available, giving up
VFS: Unable to mount root fs via NFS, t
--
vda

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