[mpich-discuss] Application aborts at runtime

[Thakur, Rajeev]

The tag cannot be larger than the value of the attribute key MPI_TAG_UB on MPI_COMM_WORLD. See Section 8.1.2, pg 334, of the MPI 3.1 standard.

Rajeev

> On Jun 11, 2015, at 8:17 PM, Chaitra Kumar <chaitragkumar at gmail.com> wrote:
> 
> Hi Junchao,
> 
> Yes, the application has a requirement for big tag.  
> 
> With openMPI there are no issues while running the application.
> 
> Can you please do the needful.
> 
> Regards,
> Chaitra
> 
> On Thu, Jun 11, 2015 at 5:21 PM, Junchao Zhang <jczhang at mcs.anl.gov> wrote:
> 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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