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Subject: Re: [OMPI users] Pointers for understanding failure messages on NetBSD
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-12-01 21:22:17


On Dec 1, 2009, at 6:43 PM, Kevin.Buckley_at_[hidden] wrote:

>
>> "Jeff Squyres" <jsquyres_at_[hidden]>
>>
>>
>> Oy. This is ick, because this error code is coming from horrendously
>> complex code deep in the depths of OMPI that is probing the OS to
>> figure out what ethernet interfaces you have. It may or may not be
>> simple to fix this.
>>
>> Do you mind diving into the OMPI code a bit to figure this out? I'm
>> afraid that none of the developers are likely to have access to
>> NetBSD. :-( I can point you right where to look.
>
> and
>
>> "Ralph Castain" <rhc_at_[hidden]>
>>
>> I believe what this is saying is that we are not finding any TCP
>> interfaces - the ioctl itself is failing. So yes - miprun failing
>> at that point is going to happen because we have no way to communicate
>> for launch.
>>
>> Do you see interfaces if you do an /sbin/ifconfig? Do they have valid
>> IP addresses?
>
>
> Yes, all the machines participating in the grid have valid IP addresses
> on their interfaces.
>
>
> I assume that both of you have seen the reply from Aleksej Saushev,
> who seems to be the bloke looking after the port of OpenMPI to the
> NetBSD platform.
>
>
> Aleksej suggested some mods he had partially looked at, in
>
> opal/util/if.c

Nope - didn't see anything like that :-/

Since none of us (to my knowledge) have ever looked at NetBSD (in fact, I never heard of it before), I would not be surprised to find that there are going to be problems encountered in such a port. There always are.

>
> was that were you would have told me to go Jeff ?
>
> I have not as yet tried anything.
>
> I am awaiting being given the local ability to build the OpenMPI
> within the NetBSD PkgSrc environment and am building externally
> to it at present, so would be happy/able to try any suggestions
> out.
>
> Kevin
>
> --
> Kevin M. Buckley Room: CO327
> School of Engineering and Phone: +64 4 463 5971
> Computer Science
> Victoria University of Wellington
> New Zealand
>
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