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Subject: Re: [OMPI devel] OMPI 1.4.3 hangs in gather
From: Brad Benton (bradford.benton_at_[hidden])
Date: 2011-02-03 09:52:20


What IP interfaces are configured on the cluster? In particular, are there
IPoIB interfaces that are configured? If you use the dynamic connection
method but restrict either the number or type of IP interfaces to be used
via oob_tcp_if_{include,exclude}, do you still see the problem?

--brad

On Wed, Jan 26, 2011 at 12:14 AM, Doron Shoham <doron.ompi_at_[hidden]> wrote:

> using the flag --mca mpi_preconnect_mpi seems to solved the issue with the
> oob connection manager.
> This solution is not scalable but it looks more and more like a connection
> establishment problem.
> I'm still trying to figure out what is the root cause of this and how to
> solve it.
> Any ideas will be more then welcome.
>
>
> Thanks,
> Doron
>
> On Tue, Jan 18, 2011 at 3:29 PM, Terry Dontje <terry.dontje_at_[hidden]>wrote:
>
>> On 01/18/2011 07:48 AM, Jeff Squyres wrote:
>>
>> IBCM is broken and disabled (has been for a long time).
>>
>> Did you mean RDMACM?
>>
>>
>>
>> No I think I meant OMPI oob.
>>
>> sorry,
>>
>> --
>> [image: Oracle]
>>
>> Terry D. Dontje | Principal Software Engineer
>> Developer Tools Engineering | +1.781.442.2631
>> Oracle *- Performance Technologies*
>> 95 Network Drive, Burlington, MA 01803
>> Email terry.dontje_at_[hidden]
>>
>>
>>
>>
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>>
>
>
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