From 0e9212a9bbfe036bcc89f230851da73407688188 Mon Sep 17 00:00:00 2001
From: Rohan Jain <rohanj@google.com>
Date: Thu, 1 Aug 2019 13:51:06 -0700
Subject: [PATCH] Improving incarnation id error message.

PiperOrigin-RevId: 261190248
---
 tensorflow/core/kernels/data/multi_device_iterator_ops.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tensorflow/core/kernels/data/multi_device_iterator_ops.cc b/tensorflow/core/kernels/data/multi_device_iterator_ops.cc
index 5b48f3be8ac..8c57335a618 100644
--- a/tensorflow/core/kernels/data/multi_device_iterator_ops.cc
+++ b/tensorflow/core/kernels/data/multi_device_iterator_ops.cc
@@ -204,7 +204,9 @@ class MultiDeviceIterator : public ResourceBase {
                           MultiDeviceIteratorCallback callback) {
       HostBufferElement elem;
       if (incarnation_id_ != incarnation_id) {
-        elem.status = errors::InvalidArgument("Invalid incarnation id");
+        elem.status = errors::InvalidArgument(
+            "Invalid incarnation id. Provided: ", incarnation_id,
+            "; Expected: ", incarnation_id_);
         callback(elem);
         return;
       }