MPICH is reporting that your call to MPI_Gather is not valid. Your src_buf and recv_buf are the same buffer, which is not allowed. Also, what Wesley said. :) ~Jim. On Mon, Jun 10, 2013 at 9:10 AM, Wesley Bland <[email protected]> wrote:

This mailing list isn't the correct place to ask questions about using MPI. This is for asking questions about standardizing MPI. I'd encourage you to repost your question on [email protected] and you'll get assistance with MPICH there.

Thanks, Wesley

On Jun 10, 2013, at 9:04 AM, amin izadi <[email protected]> wrote:

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hi to all I want to use mpich for running my SUNTANS code when I dont use mpich my example code runs. but when I use mpich this error creates. what's the problem and how can I fix it? thanks in advance

Fatal error in PMPI_Gather: Invalid buffer pointer, error stack: PMPI_Gather(856): MPI_Gather(sbuf=0xe176a0, scount=1, MPI_INT, rbuf=0xe176a0, rcount=1, MPI_INT, root=0, comm=0x84000000) failed PMPI_Gather(797): Buffers must not be aliased

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= BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = EXIT CODE: 1 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES

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