[mpich-discuss] Application aborts at runtime

[Junchao Zhang]

As discussed in the mvapich mailing list, do you really need such big tag?

--Junchao Zhang

On Wed, Jun 10, 2015 at 8:35 PM, Chaitra Kumar <chaitragkumar at gmail.com>
wrote:

> Hi Team,
>
> I am trying to run an application using MVAPICH2-2.0.  The application
> compiles without any error, but at runtime, aborts with following error:
>
> Fatal error in PMPI_Isend:Invalid tag, error stack:PMPI_Isend(149):
> MPI_Isend(buf=0x7f59b5124300, count=8, MPI_UNSIGNED_LONG, dest=0,
> tag=1073741824, comm=0x84000001, request=0x132ae24) failed PMPI_Isend(98).:
> Invalid tag, value is 1073741824
>
> I contacted MVAPICH2 team for this issue:
> http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/2015-June/005623.html
>
> They suggested me to contact MPICH team, as the issue is coming from
> higher level MPICH code.
>
> Can you please help me in resolving this.
>
> Regards,
> Chaitra
>
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