X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlibmemory%2Fmemory_shared.c;h=d6b2b9887d02e21741cfd9ce37063571b606d103;hb=refs%2Fchanges%2F11%2F16011%2F2;hp=0604b0a1cdfcfb3178fd9d248afec2e5ffa6820f;hpb=faf22cb303b65e2a6bf8dad959d7f5ee6d031c4f;p=vpp.git

diff --git a/src/vlibmemory/memory_shared.c b/src/vlibmemory/memory_shared.c
index 0604b0a1cdf..d6b2b9887d0 100644
--- a/src/vlibmemory/memory_shared.c
+++ b/src/vlibmemory/memory_shared.c
@@ -709,6 +709,14 @@ vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem)
   if (am->tx_trace && am->tx_trace->enabled)
     vl_msg_api_trace (am, am->tx_trace, (void *) trace[0]);
 
+  /*
+   * Announce a probable binary API client bug:
+   * some client's input queue is stuffed.
+   * The situation may be recoverable, or not.
+   */
+  if (PREDICT_FALSE
+      (am->vl_clients /* vpp side */  && (q->cursize == q->maxsize)))
+    clib_warning ("WARNING: client input queue at %llx is stuffed...", q);
   (void) svm_queue_add (q, elem, 0 /* nowait */ );
 }