Hi new version of the patch for xen-netfront.c , and it's for 3.16.7.
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1827,8 +1827,9 @@ static int xennet_create_queues(struct netfront_info *info,
ret = xennet_init_queue(queue);
if (ret < 0) {
- dev_warn(&info->netdev->dev, "only created %d queues\n",
- num_queues);
+ dev_warn(&info->netdev->dev,
+ "only created %d of %d queues\n",
+ i, num_queues);
num_queues = i;
break;
}
@@ -1893,6 +1894,9 @@ static int talk_to_netback(struct xenbus_device *dev,
if (err < 0)
goto destroy_ring;
+ /* xennet_create_queues might create fewer queues than requested */
+ num_queues = info->netdev->real_num_tx_queues;
+
/* Create shared ring, alloc event channel -- for each queue */
for (i = 0; i < num_queues; ++i) {
queue = &info->queues[i];
