The delays and warning messages for my MPI programs on Sid were resolved by the workaround fix in libpsm2 11.2.68-2. You can close this one as far as I'm concerned.
Thanks, Ron -- James Ronald Lovell <ron163...@gmail.com> Huntsville, AL, USA A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable. -Leslie Lamport