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Subject: Re: [OMPI users] openmpi over tcp
From: Joe Landman (landman_at_[hidden])
Date: 2009-01-29 15:32:40


Daniel De Marco wrote:
> Hi Ralph,
>
> * Ralph Castain <rhc_at_[hidden]> [01/29/2009 14:27]:
>> It is quite likely that you have IPoIB on your system. In that case, the
>> TCP BTL will pickup that interface and use it.
>>
>> If you have a specific interface you want to use, try -mca
>> btl_tcp_if_include eth0 (or whatever that interface is). This tell the TCP
>> BTL to only use the specified interface, so it will either fail (if that
>> interface isn't available or doesn't exist) or use only that one.
>
> no, I don't have IPoIB configured. I tried anyway your suggestion and I

If you do an

        ifconfig ib0

what does it respond with?

> got the same results as before. The weird thing is that even if use
> -mca btl_tcp_if_include eth2
> where eth2 doesn't exist I get the same results...
>
> Thanks, Daniel.
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