Debug node addr

Author: Cuda-Chen

virtio-snd.c

@@ -741,8 +741,9 @@ static void __virtio_snd_frame_dequeue(short *out,
         fprintf(stderr,
                 "--- left %" PRIu32 " actual %" PRIu32 " len %" PRIu32
                 " written %" PRIu32 " node->pos %" PRIu32 " node->len %" PRIu32
-                "\n",
-                left, actual, len, written_bytes, node->pos, node->len);
+                " node->addr %p \n",
+                left, actual, len, written_bytes, node->pos, node->len,
+                node->addr);
 
         memcpy(props->immediate + written_bytes, node->addr + node->pos, len);
 
@@ -752,8 +753,10 @@ static void __virtio_snd_frame_dequeue(short *out,
 
         written_bytes += len;
         node->pos += len;
-        if (node->pos >= node->len)
+        if (node->pos >= node->len) {
+            fprintf(stderr, "-*- pop node->addr %p\n", node->addr);
             list_del(&node->q);
+        }
     }
     fprintf(stderr, "*** written %" PRIu32 " out n %" PRIu32 "\n",
             written_bytes, n);