yaboot and netboot

Chandra Seetharaman sekharan at us.ibm.com
Wed Aug 27 07:52:03 EST 2008


Paul, sorry for the resend. forgot to CC the list the last time.

On Tue, 2008-08-26 at 10:16 +0100, Paul Nasrat wrote:
> 
> > I am trying to add support for ipv6 in yaboot. While testing found  
> > that
> > I have to get the ciaddr, siaddr etc., appended to the device name for
> > ipv6 . If I do not do that the boot path ends up being just
> > network_device:filename, which doesn't lead to a resolution.
> 
> Cool. Do we actually have an informal 1275 extension document  
> describing ipv6 net operation, or is it merely implementation derived.
> 
> > While looking at the code found that the behavior is same for ipv4  
> > also.
> > i.e the siaddr,ciaddr,giaddr,subnet-mask that I give when I invoke the
> > boot is not passed on to the next step (to get yaboot.conf).
> 
> > Am I missing something ? Shouldn't yaboot be using the value I  
> > provided
> > for subsequent steps ?
> 
> 
> I'll need to recheck the obp-tftp extension documentation and the code.
> 
> I'm planning a yaboot hack day tomorrow - details to list shortly.
> 
> > Here is an example (with 1.3.14 and DEBUG set to 1):
> 
> Please use retest against git HEAD (you should be using that for new  
> development) - http://yaboot.ozlabs.org has instructions.
> 
I tested with the code from the git HEAD. It behaves exactly the same
way as above. It completely ignores the parameters provided in the
command line.

Note that it works fine if I do not provide any ip addresses in the boot
line (i.e if there is a tftp server that serves the node automatically),
as expected.

> Paul
> 
> 




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