Dear all,
We are testing Open MPI over Infiniband, and got a MPI_Reduce
error message when we run our codes either over TCP or
Infiniband interface, as follows,
---
[gulftown:25487] *** An error occurred in MPI_Reduce
[gulftown:25487] *** on communicator MPI COMMUNICATOR 3
CREATE FROM 0
[gulftown:25487] *** MPI_ERR_ARG: invalid argument of some
other kind
[gulftown:25487] *** MPI_ERRORS_ARE_FATAL (your MPI job will
now abort)
Elapsed time: 6:33.78
<Done>
--------------------------------------------------------------------------
mpirun has exited due to process rank 0 with PID 25428 on
node gulftown exiting without calling "finalize". This may
have caused other processes in the application to be
terminated by signals sent by mpirun (as reported here).
--------------------------------------------------------------------------
---
Any hints?
Thanks,
Yiguang
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