On Tue, Dec 05, 2006 at 08:07:21AM -0600, William Gropp wrote: > char errorString[512]; > > needs to be > > char errorString[MPI_MAX_ERROR_STRING]; Thanks Bill. I've fixed this in CVS. Sure glad we haven't hit this bug yet. ==rob -- Rob Latham Mathematics and Computer Science Division A215 0178 EA2D B059 8CDF Argonne National Lab, IL USA B29D F333 664A 4280 315B