diff -urN ppc64-linux-2.5.orig/drivers/net/e1000/e1000.h ppc64-linux-2.5/drivers/net/e1000/e1000.h
--- ppc64-linux-2.5.orig/drivers/net/e1000/e1000.h	2004-02-26 22:14:44.000000000 +1100
+++ ppc64-linux-2.5/drivers/net/e1000/e1000.h	2004-03-09 12:58:53.000000000 +1100
@@ -246,5 +246,9 @@
 
 
 	uint32_t pci_state[16];
+
+	/* TSO hack */
+	unsigned long tso_hack_dma, tso_hack_len;
+	struct sk_buff *tso_hack_skb;
 };
 #endif /* _E1000_H_ */
diff -urN ppc64-linux-2.5.orig/drivers/net/e1000/e1000_main.c ppc64-linux-2.5/drivers/net/e1000/e1000_main.c
--- ppc64-linux-2.5.orig/drivers/net/e1000/e1000_main.c	2004-02-26 22:14:44.000000000 +1100
+++ ppc64-linux-2.5/drivers/net/e1000/e1000_main.c	2004-03-09 13:01:06.000000000 +1100
@@ -2200,17 +2200,25 @@
 
 			if(buffer_info->dma) {
 
-				pci_unmap_page(pdev,
-					       buffer_info->dma,
-					       buffer_info->length,
+				if (adapter->tso_hack_dma) {
+					pci_unmap_page(pdev, 
+					       adapter->tso_hack_dma,
+					       adapter->tso_hack_len,
 					       PCI_DMA_TODEVICE);
+				}
+				adapter->tso_hack_dma = buffer_info->dma;
+				adapter->tso_hack_len = buffer_info->length;
 
 				buffer_info->dma = 0;
 			}
 
 			if(buffer_info->skb) {
 
-				dev_kfree_skb_any(buffer_info->skb);
+				if (adapter->tso_hack_skb)
+					dev_kfree_skb_any(
+						adapter->tso_hack_skb);
+
+				adapter->tso_hack_skb = buffer_info->skb;
 
 				buffer_info->skb = NULL;
 			}