[mpich-discuss] error

[Darius Buntinas]

Well, the error message implies that you provided a NULL buffer pointer to rbuf in MPI_Allreduce.  That's not allowed.

-d


On Oct 15, 2012, at 5:24 AM, Vinayak Sutkar wrote:

> Hi, 
> I am runing MPI and I got follwing error 
> Can you please look into this. 
> Thanks.
> 
> Fatal error in MPI_Allreduce: Invalid buffer pointer, error stack:
> MPI_Allreduce(855): MPI_Allreduce(sbuf=0xb5a88008, rbuf=(nil), count=186760, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD) failed
> MPI_Allreduce(817): Null buffer pointer
> 
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