diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 7717b95..4840331 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -437,6 +437,56 @@ static void record_gp_stall_check_time(struct rcu_state *rsp)
 	rsp->jiffies_stall = jiffies + RCU_SECONDS_TILL_STALL_CHECK;
 }
 
+static void print_other_cpu_stall_diags(struct rcu_state *rsp)
+{
+	int i;
+	struct rcu_data *rdp;
+	struct rcu_node *rnp;
+	struct rcu_node *rnp_end;
+
+	/* Dump out rcu_state information. */
+
+	printk(KERN_ERR "\n");
+	printk(KERN_ERR "rcu_state structure:\n");
+	for (i = 0; i < NUM_RCU_LVLS; i++) {
+		printk(KERN_ERR
+		       "%d: levelcnt: %u level: %p levelspread: %d\n",
+		       i, rsp->levelcnt[i], rsp->level[i], rsp->levelspread[i]);
+	}
+	printk(KERN_ERR "%d: levelcnt: %u\n", i, rsp->levelcnt[i]);
+	printk(KERN_ERR "signaled: %u gpnum: %ld completed %ld\n",
+	       rsp->signaled, rsp->gpnum, rsp->completed);
+
+	/* Dump out rcu_node information. */
+
+	printk(KERN_ERR "\n");
+	printk(KERN_ERR "rcu_node structures:\n");
+	rnp_end = &rsp->node[NUM_RCU_NODES];
+	for (rnp = &rsp->node[0]; rnp < rnp_end; rnp++) {
+		printk(KERN_ERR
+		       "%d: qsmask: %lx/%lx grpmask: %lx "
+		       "grplo/hi: %d/%d grpnum: %d level: %d\n",
+		       rnp - &rsp->node[0],
+		       rnp->qsmask, rnp->qsmaskinit, rnp->grpmask,
+		       rnp->grplo, rnp->grphi, rnp->grpnum, rnp->level);
+	}
+
+	/* Dump out rcu_data information. */
+
+	printk(KERN_ERR "\n");
+	printk(KERN_ERR "rcu_data structures:\n");
+	for_each_possible_cpu(i) {
+		rdp = rsp->rda[i];
+		printk(KERN_ERR
+		       "%d: %p gpnum: %ld completed: %ld pqc: %ld "
+		       "pq: %d qsp: %d bol: %d grpmask: %lx\n",
+		       i, rdp, rdp->gpnum, rdp->completed,
+		       rdp->passed_quiesc_completed,
+		       rdp->passed_quiesc, rdp->qs_pending,
+		       rdp->beenonline, rdp->grpmask);
+	}
+}
+
 static void print_other_cpu_stall(struct rcu_state *rsp)
 {
 	int cpu;
@@ -469,6 +519,8 @@ static void print_other_cpu_stall(struct rcu_state *rsp)
 	}
 	printk(" (detected by %d, t=%ld jiffies)\n",
 	       smp_processor_id(), (long)(jiffies - rsp->gp_start));
+	print_other_cpu_stall_diags(rsp);
+
 	force_quiescent_state(rsp, 0);  /* Kick them all. */
 }