rsh error running mpi code?

William Gropp gropp at
Fri May 17 08:22:19 PDT 2002

At 10:50 AM 5/17/2002 -0400, Jeff Layton wrote:
>Good morning,
>    I'm curious if anyone has seen this error message before
>when running a MPI code,
>rcmd: socket: All ports in use
>The code is running 120 processes (rank 120) and this happens
>near the end of the code where all of the nodes are sending data
>to the rank 0 process so it can be written to a file (I know it's a
>bad design, but we're working on a fix).

Which MPI implementation?

For the long-term problem, the MPI-IO routines should give you an easy fix.


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