RHEL 6.6 MPI mess

Peter Martuccelli peterm at redhat.com
Thu Oct 30 15:14:44 UTC 2014

On Thu, 2014-10-30 at 14:27 +0000, Dave Love wrote:
> The undocumented openmpi and mpich updates in RHEL6.6 have broken binary
> compatibility and seem to be provoking general rebuilds of things in
> EPEL.  While that may be OK for things that are packaged in EPEL, it at
> best doesn't help with our HPC users' locally-built programs or
> local/copr-published rpms (especially if the rebuilds involve their own
> ABIs incompatibilities, like scalapack currently in testing).
> It seems to me that the best approach, assuming Red Hat won't address
> the issue, 
Ledford, (Cc'd), may be able to offer some help.

> is to supply compatibility packages in EPEL if that will
> work.  I haven't had a chance to try, but I'll probably have to make
> something work eventually for openmpi, and presumably there are plenty
> of people in a similar situation.  The updates are blocked by the
> dependencies of many installed packages here, but it will be
> increasingly awkward with packages that can't be updated without
> rebuilds.
> Has anyone tried that tack already, or is it clear it can't work for
> some reason?

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