Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

faq: update openmpi faq to reference pmix #274

Merged
merged 1 commit into from
Aug 21, 2024
Merged

faq: update openmpi faq to reference pmix #274

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 4 additions & 2 deletions faqs.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -604,9 +604,11 @@ caused segfaults of MPI in ``MPI_Finalize`` when UCX PML was used.
4.0.6+ or 4.1.1+.

A special `job shell plugin <https://github.com/flux-framework/flux-pmix>`_,
offered as a separate package, is required to bootstrap the upcoming openmpi
offered as a separate package, is required to bootstrap the openmpi
5.0.x releases. Once installed, the plugin is activated by submitting a job
with the ``-ompi=openmpi@5`` option.
with the ``-opmi=pmix`` option. In fact, ``-o pmi=pmix`` also works for earlier
versions of OpenMPI, and appears to avoid a UCX related deadlock in OpenMPI
4.1.2 (see `flux-framework/flux-core#5460. <https://github.com/flux-framework/flux-core/issues/5460>`_)

.. _openmpi_config:

Expand Down
Loading