diff --git a/osal/alcore/mbuf.c b/osal/alcore/mbuf.c
index 0cc8054..f540bf9 100644
--- a/osal/alcore/mbuf.c
+++ b/osal/alcore/mbuf.c
@@ -55,7 +55,7 @@
 #define LOG_TAG "MBUF"
 #include <log/log.h>
 #define MBUF_ERR(...)	ALOGE(__VA_ARGS__)
-#define MBUF_DBG(...)	//ALOGD(## __VA_ARGS__)
+#define MBUF_DBG(...)	ALOGD(__VA_ARGS__)
 #else
 #define MBUF_ERR(...)	printf( __VA_ARGS__)
 #define MBUF_DBG(...)	//printf( __VA_ARGS__)
@@ -242,9 +242,9 @@ static void *socket_func(void * arg)
 		if (timeout_flag == 0 && num == 0)
 			pthread_cond_wait(&thread->cond, &thread->mutex);
 
-		if (thread->exit_flag == 1) {
-			MBUF_DBG("%s line:%d will exit\n",
-				__func__, __LINE__);
+		if (thread->exit_flag == 1 || timeout_flag > 2) {
+			MBUF_DBG("%s line:%d will exit (%d)\n",
+				__func__, __LINE__, timeout_flag);
 			if (fds != NULL)
 				free(fds);
 			pthread_mutex_unlock(&thread->mutex);
@@ -289,9 +289,9 @@ static void *socket_func(void * arg)
 				 __LINE__, errno, strerror(errno));
 			assert(0);
 		} else if (ret == 0) {
-			MBUF_DBG("%s line:%d poll time out\n",
-				__func__, __LINE__);
-			timeout_flag = 1;
+			MBUF_DBG("%s line:%d poll time out %dth\n",
+				__func__, __LINE__, timeout_flag);
+			timeout_flag++;
 			continue;
 		} else {
 			MBUF_DBG("%s line:%d poll ok [%d]\n",