Index: corosync-1.4.4/exec/main.c
===================================================================
--- corosync-1.4.4.orig/exec/main.c
+++ corosync-1.4.4/exec/main.c
@@ -1268,7 +1268,8 @@ static void corosync_setscheduler (void)
 #if defined(HAVE_PTHREAD_SETSCHEDPARAM) && defined(HAVE_SCHED_GET_PRIORITY_MAX) && defined(HAVE_SCHED_SETSCHEDULER)
 	int res;
 
-	sched_priority = sched_get_priority_max (SCHED_RR);
+	/*use the minimal priority same as pacemaker */
+	sched_priority = sched_get_priority_min (SCHED_RR);
 	if (sched_priority != -1) {
 		global_sched_param.sched_priority = sched_priority;
 		res = sched_setscheduler (0, SCHED_RR, &global_sched_param);