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Subject: Re: [OMPI devel] application hangs with multiple dup
From: Edgar Gabriel (gabriel_at_[hidden])
Date: 2009-09-16 10:52:03


there is a ticket on that topic already (#2009), and I just added some
comments to that...

Jeff Squyres wrote:
> On Sep 10, 2009, at 7:12 PM, Edgar Gabriel wrote:
>
>> so I can confirm that I can reproduce the hang, and we (George, Rainer
>> and me) have looked into that and are continue digging.
>>
>> I hate to say that, but it looked to us as if messages were 'lost'
>> (sender clearly called send and but the data is not in any of the queues
>> on the receiver side), which seems to be consistent with two other bug
>> reports currently being discussed on the mailing list. I could reproduce
>> the hang with both sm and tcp, so its probably not a btl issue but
>> somewhere higher.
>>
>
> Is this is, indeed, happening, someone please file a bug in trac.
>
> Thanks.
>

-- 
Edgar Gabriel
Assistant Professor
Parallel Software Technologies Lab      http://pstl.cs.uh.edu
Department of Computer Science          University of Houston
Philip G. Hoffman Hall, Room 524        Houston, TX-77204, USA
Tel: +1 (713) 743-3857                  Fax: +1 (713) 743-3335