Re: Problems using VendorTags in /etc/bootptab

[James Pearson <james-p@moving-picture.com>]

Thanks - the "-d rom" option to mknbi-linux works fine.

James Pearson

Klaus Espenlaub wrote:
> 
> James Pearson wrote:
> > This almost works fine, except that the loaded kernel wants to mount
> > "/tftpboot/ip_address_of_diskless_client" as the root partition - i.e.
> > it ignores the "rp=" tag in /etc/bootptab (the "rp=" tag works fine when
> > not using the Vendortags).
> 
> It ignores the root partition setting and uses the compiled in path by
> default.  But this is not an etherboot issue, it's mknbi-linux which does
> that (using the kernel compiled-in value and ignoring the BOOTP value).
> So you don't need to change anything with the ROM contents, just the boot
> image file must be changed to fix this (at least as long as you're using
> BOOTP - DHCP needs a fixed (4.6.x) version otherwise it never provides the
> setting to the next stage boot loader).
> 
> There are a couple of command line switches for mknbi-linux which either set
> a kernel command line option to a constant value, use the BOOTP value or don't
> pass it at all, effectively using the kernel default value.
> 
> The parameter "rom" is used to specify that the BOOTP value should be used.
> See the mknbi-linux docs (or the source).
> 
> > I'm not using the most up to date versions of etherboot (v4.2) and
> > bootpd (v2.4).
> >
> > Would more recent versions of either/both these packages fix this
> > problem? Or am I missing something?
> 
> I think the code should be OK - heaps of other things changed, but I think
> etherboot 4.2 is fine.  The mknbi tools have been reimplemented since 4.2, so
> the new docs don't match any more.
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