--- sys/dev/e1000/if_em.c.orig	2010-11-01 20:57:53.000000000 -0400
+++ sys/dev/e1000/if_em.c	2010-11-16 01:28:00.000000000 -0500
@@ -3754,8 +3769,13 @@ em_refresh_mbufs(struct rx_ring *rxr, in
 		** they can only be due to an error
 		** and are to be reused.
 		*/
-		if (rxbuf->m_head != NULL)
+		if (rxbuf->m_head != NULL) {
+			rxbuf->m_head->m_len = rxbuf->m_head->m_pkthdr.len = adapter->rx_mbuf_sz;
+			rxbuf->m_head->m_flags |= M_PKTHDR;
+			rxbuf->m_head->m_data = rxbuf->m_head->m_ext.ext_buf;
+			rxbuf->m_head->m_next = NULL;
 			goto reuse;
+		}
 		m = m_getjcl(M_DONTWAIT, MT_DATA,
 		    M_PKTHDR, adapter->rx_mbuf_sz);
 		/*