[mpich-discuss] (no subject)

[David.Perron at ch2m.com]

Hi,
I have used MPICH2 on several computers and clusters in the past to run the Fire Dynamics Simulator (FDS) CFD software but am having issues with a new computer. The below message is generated:

"
Fatal error in PMPI_Gatherv: Internal MPI error!, error stack:
PMPI_Gatherv(376).....: MPI_Gatherv failed(sbuf=000000003C07F858, scount=1, MPI_
DOUBLE_PRECISION, rbuf=000000003C07F858, rcnts=000000003C0EA8D8, displs=00000000
3C0EA998, MPI_DOUBLE_PRECISION, root=0, MPI_COMM_WORLD) failed
MPIR_Gatherv_impl(189):
MPIR_Gatherv(102).....:
MPIR_Localcopy(349)...: memcpy arguments alias each other, dst=000000003C07F858
src=000000003C07F858 len=8
"

Can you tell me what this means or what settings may need to be changed to allow MPICH2 to run? I am able to bypass the MPICH2 file path and run FDS on a single core so I am fairly certain that the issue is not with the FDS software.

Thanks,
David

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