>> =========== >> >> My PETSc was built against OpenMPI 1.4 >> > > Apologies, > > That should have read: OpenMPI 1.3.4 Actually, I was right first time. OpenMPI 1.4 it is ! -- Kevin M. Buckley Room: CO327 School of Engineering and Phone: +64 4 463 5971 Computer Science Victoria University of Wellington New Zealand