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Subject: Re: [OMPI devel] Dropped message for the non-existing communicator
From: George Bosilca (bosilca_at_[hidden])
Date: 2008-11-08 10:01:27


Apparently it was with 19845, so before the patch that is supposed to
fix this issue. Terry can you please test with a more recent version
(> 19929).

   Thanks,
     george.

On Nov 8, 2008, at 9:54 AM, Edgar Gabriel wrote:

> Terry,
>
> was this with the trunk or v1.3? If it was the trunk, was it before
> r19929 was applied? The reason I ask is because r19929 should remove
> all error messages related to 'non-existing communictors'. Hierarch
> btw. is not the cause for the error messages even before that, it
> just exposes it more frequently...
>
> Thanks
> Edgar
>
> Terry Dontje wrote:
>> I am seeing the message "Dropped message for the non-existing
>> communicator" when running hpcc with np=124 against r19845. This
>> seems to be pretty reproducible at np=124. When the job prints out
>> the message above some set of processes are in an MPI_Bcast and the
>> 15 processes reporting the message are stuck in MPI_Barrier.
>> I am not sure how related this is to #1408 since I am not invoking
>> the hierarchical collectives. I just wanted to see if anyone else
>> has tried to run hpcc at such an np size with any success.
>> My next steps are to try to run this with the latest trunk and to
>> narrow down the failing case.
>> --td
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
> --
> 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
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel



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