Looks like your code is passing an invalid argument to MPI_Reduce...
On Jul 5, 2011, at 9:20 AM, ya...@adina.com wrote: > 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 > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users