Index: head/contrib/ofed/opensm/opensm/osm_perfmgr.c
===================================================================
--- head/contrib/ofed/opensm/opensm/osm_perfmgr.c
+++ head/contrib/ofed/opensm/opensm/osm_perfmgr.c
@@ -1311,6 +1311,14 @@
 		cl_plock_acquire(&pm->osm->lock);
 		p_node =
 		    osm_get_node_by_guid(pm->subn, cl_hton64(mon_node->guid));
+		if (!p_node) {
+			OSM_LOG(pm->log, OSM_LOG_ERROR,
+				"ERR 5407: Node \"%s\" (guid 0x%" PRIx64
+				") no longer exists so removing from PerfMgr"
+                                " monitoring\n",
+				mon_node->name, mon_node->guid);
+			goto Exit;
+		}
 		lid = get_lid(p_node, port, mon_node);
 		cl_plock_release(&pm->osm->lock);
 		if (lid == 0) {
@@ -1402,6 +1410,14 @@
 		cl_plock_acquire(&pm->osm->lock);
 		p_node =
 		    osm_get_node_by_guid(pm->subn, cl_hton64(mon_node->guid));
+		if (!p_node) {
+			OSM_LOG(pm->log, OSM_LOG_ERROR,
+				"ERR 5407: Node \"%s\" (guid 0x%" PRIx64
+				") no longer exists so removing from PerfMgr"
+                                " monitoring\n",
+				mon_node->name, mon_node->guid);
+			goto Exit;
+		}
 		lid = get_lid(p_node, port, mon_node);
 		cl_plock_release(&pm->osm->lock);
 		if (lid == 0) {