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From: Axel Schweiger (axel_at_[hidden])
Date: 2007-01-19 20:06:12


I am having a problem running pop 1.2 (Parallel Ocean Model) with
OpenMPI version 1.1.2 compiled with PGI 6.2-4 on RH EL-4 Update 4
(configure result attached)

The error is as follows:

mpirun -v -np 4 -machinefile node18.dat pop
[node18:11220] *** An error occurred in MPI_Cart_shift
[node18:11221] *** An error occurred in MPI_Cart_shift
[node18:11221] *** on communicator MPI_COMM_WORLD
[node18:11221] *** MPI_ERR_COMM: invalid communicator
[node18:11221] *** MPI_ERRORS_ARE_FATAL (goodbye)
[node18:11220] *** on communicator MPI_COMM_WORLD
[node18:11220] *** MPI_ERR_COMM: invalid communicator
[node18:11220] *** MPI_ERRORS_ARE_FATAL (goodbye)
3 additional processes aborted (not shown)

The application runs fine with MPICH 1.2.6 and other applications (POP
2) run fine with OpenMPI

Any suggestions

Thanks