[mpich-devel] MPI IO Error

[Dominic Kedelty]

Hello,

I am wondering if I can get help with an error I am receiving when using
MPI IO. I was referred here by openmpi saying that this was a possible
ROMIO bug. I am  receiving the following error

Error in ADIOI_Calc_aggregator(): rank_index(40) >= fd->hints->cb_nodes
(40) fd_size=213909504 off=8617247540
Error in ADIOI_Calc_aggregator(): rank_index(40) >= fd->hints->cb_nodes
(40) fd_size=213909504 off=8617247540
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 157
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 477

This is happening I BELIEVE when the code I am using is writing an ensight
gold format file for a large problem that I am running on 640 cores. I can
provide more information if need be. I am using openmpi 1.8.7, but I have
tried mvapich2 version 1.9 with the same error code, which are the two
current mpi files on the cluster that I am using.
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