diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 7666540..8d82c02 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1364,12 +1364,17 @@ static int xenvif_handle_frag_list(struct xenvif *vif, struct sk_buff *skb)
 	vif->tx_zerocopy_sent += 2;
 	vif->tx_frag_overflow++;
 
+	netdev_warn(vif->dev, "?!?!? %s 1: skb->data_len: %d, skb->len: %d, skb->truesize: %d, nskb->data_len: %d, nskb->len: %d, nskb->truesize: %d  MAX_SKB_FRAGS:%d offset:%d \n",__FUNCTION__,skb->data_len, skb->len, skb->truesize, nskb->data_len, nskb->len, nskb->truesize, MAX_SKB_FRAGS, offset);
+
+
 	xenvif_fill_frags(vif, nskb);
 	/* Subtract frags size, we will correct it later */
 	skb->truesize -= skb->data_len;
 	skb->len += nskb->len;
 	skb->data_len += nskb->len;
 
+	netdev_warn(vif->dev, "?!?!? %s 2: skb->data_len: %d, skb->len: %d, skb->truesize: %d, nskb->data_len: %d, nskb->len: %d, nskb->truesize: %d  MAX_SKB_FRAGS:%d offset:%d \n",__FUNCTION__,skb->data_len, skb->len, skb->truesize, nskb->data_len, nskb->len, nskb->truesize, MAX_SKB_FRAGS, offset);
+
 	/* create a brand new frags array and coalesce there */
 	for (i = 0; offset < skb->len; i++) {
 		struct page *page;
@@ -1396,6 +1401,7 @@ static int xenvif_handle_frag_list(struct xenvif *vif, struct sk_buff *skb)
 		frags[i].page.p = page;
 		frags[i].page_offset = 0;
 		skb_frag_size_set(&frags[i], len);
+		netdev_warn(vif->dev, "?!?!? %s 3: i:%d, len: %d, skb->data_len: %d, skb->len: %d, skb->truesize: %d, nskb->data_len: %d, nskb->len: %d, nskb->truesize: %d  MAX_SKB_FRAGS:%d offset:%d \n",__FUNCTION__,i, len, skb->data_len, skb->len, skb->truesize, nskb->data_len, nskb->len, nskb->truesize, MAX_SKB_FRAGS, offset);
 	}
 	/* swap out with old one */
 	memcpy(skb_shinfo(skb)->frags,
@@ -1404,6 +1410,8 @@ static int xenvif_handle_frag_list(struct xenvif *vif, struct sk_buff *skb)
 	skb_shinfo(skb)->nr_frags = i;
 	skb->truesize += i * PAGE_SIZE;
 
+	netdev_warn(vif->dev, "?!?!? %s 4: i:%d, skb->data_len: %d, skb->len: %d, skb->truesize: %d, nskb->data_len: %d, nskb->len: %d, nskb->truesize: %d  MAX_SKB_FRAGS:%d offset:%d \n",__FUNCTION__,i,skb->data_len, skb->len, skb->truesize, nskb->data_len, nskb->len, nskb->truesize, MAX_SKB_FRAGS, offset);
+
 	/* remove traces of mapped pages and frag_list */
 	skb_frag_list_init(skb);
 	uarg = skb_shinfo(skb)->destructor_arg;
@@ -1466,9 +1474,11 @@ static int xenvif_tx_submit(struct xenvif *vif)
 				kfree_skb(skb);
 				continue;
 			}
+			if((skb_is_nonlinear(skb) && skb_headlen(skb) < PKT_PROT_LEN))
+				netdev_warn(vif->dev, "?!?!? %s skb_is_nonlinear(skb): %d, skb_headlen(skb): %d, PKT_PROT_LEN: %d skb->len: %d, target:%d ", skb_is_nonlinear(skb), skb_headlen(skb), PKT_PROT_LEN, skb->len, min_t(int, skb->len, PKT_PROT_LEN));
 		}
 
-		if (skb_is_nonlinear(skb) && skb_headlen(skb) < PKT_PROT_LEN) {
+		if (skb_is_nonlinear(skb) && skb_headlen(skb) < PKT_PROT_LEN) {	
 			int target = min_t(int, skb->len, PKT_PROT_LEN);
 			__pskb_pull_tail(skb, target - skb_headlen(skb));
 		}