diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index b8d6cca16005..52f5e40a341d 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1754,7 +1754,7 @@ static void cleanup_session_requests(struct ceph_mds_client *mdsc,
 	struct ceph_mds_request *req;
 	struct rb_node *p;
 
-	dout("cleanup_session_requests mds%d\n", session->s_mds);
+	pr_info("cleanup_session_requests mds%d\n", session->s_mds);
 	mutex_lock(&mdsc->mutex);
 	while (!list_empty(&session->s_unsafe)) {
 		req = list_first_entry(&session->s_unsafe,
@@ -1773,8 +1773,12 @@ static void cleanup_session_requests(struct ceph_mds_client *mdsc,
 		req = rb_entry(p, struct ceph_mds_request, r_node);
 		p = rb_next(p);
 		if (req->r_session &&
-		    req->r_session->s_mds == session->s_mds)
+		    req->r_session->s_mds == session->s_mds) {
+			if (req->r_attempts)
+				pr_info("mds%d req tid %llu reattempted\n",
+					session->s_mds, req->r_tid);
 			req->r_attempts = 0;
+		}
 	}
 	mutex_unlock(&mdsc->mutex);
 }
@@ -3235,7 +3239,8 @@ static void __do_request(struct ceph_mds_client *mdsc,
 			goto finish;
 		}
 		if (mdsc->mdsmap->m_epoch == 0) {
-			dout("do_request no mdsmap, waiting for map\n");
+			pr_info("do_request no mdsmap, waiting for map req tid %llu\n",
+				req->r_tid);
 			list_add(&req->r_wait, &mdsc->waiting_for_map);
 			return;
 		}
@@ -3256,7 +3261,8 @@ static void __do_request(struct ceph_mds_client *mdsc,
 			err = -EJUKEBOX;
 			goto finish;
 		}
-		dout("do_request no mds or not active, waiting for map\n");
+		pr_info("do_request no mds or not active, waiting for map req tid %llu\n",
+			req->r_tid);
 		list_add(&req->r_wait, &mdsc->waiting_for_map);
 		return;
 	}
@@ -3302,8 +3308,10 @@ static void __do_request(struct ceph_mds_client *mdsc,
 		 * it to the mdsc queue.
 		 */
 		if (session->s_state == CEPH_MDS_SESSION_REJECTED) {
-			if (ceph_test_mount_opt(mdsc->fsc, CLEANRECOVER))
+			if (ceph_test_mount_opt(mdsc->fsc, CLEANRECOVER)) {
+				pr_info(" CLEANRECOVER req tid %llu\n", req->r_tid);
 				list_add(&req->r_wait, &mdsc->waiting_for_map);
+			}
 			else
 				err = -EACCES;
 			goto out_session;
@@ -3318,6 +3326,7 @@ static void __do_request(struct ceph_mds_client *mdsc,
 			if (random)
 				req->r_resend_mds = mds;
 		}
+		pr_info(" session is not opened, req tid %llu\n", req->r_tid);
 		list_add(&req->r_wait, &session->s_waiting);
 		goto out_session;
 	}
@@ -3621,6 +3630,14 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 	}
 	dout("handle_reply %p\n", req);
 
+	/* waiting, not yet submitted? */
+	if (!list_empty(&req->r_wait)) {
+		pr_err("mdsc_handle_reply on waiting request tid %llu\n", tid);
+		mutex_unlock(&mdsc->mutex);
+		ceph_msg_dump(msg);
+		goto out;
+	}
+
 	/* correct session? */
 	if (req->r_session != session) {
 		pr_err("mdsc_handle_reply got %llu on session mds%d"
@@ -4019,6 +4036,7 @@ static void handle_session(struct ceph_mds_session *session,
 	case CEPH_SESSION_CLOSE:
 		if (session->s_state == CEPH_MDS_SESSION_RECONNECTING)
 			pr_info("mds%d reconnect denied\n", session->s_mds);
+		pr_info("mds%d closed our session\n", session->s_mds);
 		session->s_state = CEPH_MDS_SESSION_CLOSED;
 		cleanup_session_requests(mdsc, session);
 		remove_session_caps(session);
@@ -4727,6 +4745,7 @@ static void check_new_map(struct ceph_mds_client *mdsc,
 			__wake_requests(mdsc, &s->s_waiting);
 			mutex_unlock(&mdsc->mutex);
 
+			pr_info("check_new_map exceed max rank mds%d\n", i);
 			mutex_lock(&s->s_mutex);
 			cleanup_session_requests(mdsc, s);
 			remove_session_caps(s);
@@ -5483,6 +5502,7 @@ void ceph_mdsc_force_umount(struct ceph_mds_client *mdsc)
 		mutex_lock(&session->s_mutex);
 		__close_session(mdsc, session);
 		if (session->s_state == CEPH_MDS_SESSION_CLOSING) {
+			pr_info("ceph_mdsc_force_umount mds%d\n", mds);
 			cleanup_session_requests(mdsc, session);
 			remove_session_caps(session);
 		}