On Jan 19, 2014, at 12:12 PM, Corey A. Henderson <cahenderson@wisc.edu> wrote:
> Thank you for the help. Indeed, changing the disp_unit on MPI_Win_allocate from MPI_INT to sizeof(MPI_INT) does eliminate the seg faults in the subsequent window accesses.

sizeof(int), not sizeof(MPI_INT).

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