From 75d411f3ea560a17aaee32d7faace321267ef3c4 Mon Sep 17 00:00:00 2001
From: Ralph Castain <rhc@open-mpi.org>
Date: Thu, 19 Oct 2017 14:02:06 -0700
Subject: [PATCH] Ensure we update the routing plan so that tree spawn works!

Signed-off-by: Ralph Castain <rhc@open-mpi.org>
---
 orte/mca/ess/base/ess_base_std_orted.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/orte/mca/ess/base/ess_base_std_orted.c b/orte/mca/ess/base/ess_base_std_orted.c
index 3862630da5..67d5e188b7 100644
--- a/orte/mca/ess/base/ess_base_std_orted.c
+++ b/orte/mca/ess/base/ess_base_std_orted.c
@@ -550,6 +550,9 @@ int orte_ess_base_orted_setup(void)
             error = "construct nidmap";
             goto error;
         }
+        /* be sure to update the routing tree so any tree spawn operation
+         * properly gets the number of children underneath us */
+        orte_routed.update_routing_plan(NULL);
     }
 
     if (orte_static_ports || orte_fwd_mpirun_port) {