From aff54e2eb8b8fa3c152ce25261754d25bfce8269 Mon Sep 17 00:00:00 2001
From: casparvl casparvl
 <casparvl@login1.int.az-alma94-2411-mc-14.dev.eessi.io>
Date: Thu, 5 Dec 2024 15:46:42 +0000
Subject: [PATCH] Fix MPI issue with workaround

---
 config/azure_mc.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/config/azure_mc.py b/config/azure_mc.py
index c9c9eea6..8d25c373 100644
--- a/config/azure_mc.py
+++ b/config/azure_mc.py
@@ -34,6 +34,11 @@
                     'access': ['--partition=x86-64-amd-zen4-node', '--export=NONE'],
                     'descr': 'Zen4, 16 cores, 30 GB',
                     'prepare_cmds': [
+                        # Avoid https://www.eessi.io/docs/known_issues/eessi-2023.06/#eessi-production-repository-v202306 
+                        'export OMPI_MCA_btl=^uct,ofi'
+                        'export OMPI_MCA_pml=ucx'
+                        'export OMPI_MCA_mtl=^ofi'
+                        # Use override to avoid fallback to zen3
                         'export EESSI_SOFTWARE_SUBDIR_OVERRIDE=x86_64/amd/zen4',
                         common_eessi_init(),
                         # Required when using srun as launcher with --export=NONE in partition access,