diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index e24ecd3..1dcc470 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1280,6 +1280,8 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
 		resched_task(curr);
 }
 
+static void sysrq_sched_debug_show(void);
+
 static struct task_struct *pick_next_task_fair(struct rq *rq)
 {
 	struct task_struct *p;
@@ -1291,6 +1293,10 @@ static struct task_struct *pick_next_task_fair(struct rq *rq)
 
 	do {
 		se = pick_next_entity(cfs_rq);
+
+		if (unlikely(!se))
+			sysrq_sched_debug_show();
+
 		cfs_rq = group_cfs_rq(se);
 	} while (cfs_rq);