DragonFlyBSD

--- if_em.c.orig	2007-01-18 09:32:50.478362243 +0800

+++ if_em.c	2007-01-18 09:35:30.175765733 +0800

@@ -132,6 +132,8 @@

 #include <dev/netif/em/if_em_hw.h>

 #include <dev/netif/em/if_em.h>

+#define EM_X60_WORKAROUND

+

 /*********************************************************************

  *  Set this to one to display debug statistics

  *********************************************************************/

@@ -2884,6 +2886,11 @@ em_initialize_receive_unit(struct adapte

 		E1000_WRITE_REG(&adapter->hw, RXCSUM, reg_rxcsum);

 	}

+#ifdef EM_X60_WORKAROUND

+	if (adapter->hw.mac_type == em_82573)

+		E1000_WRITE_REG(&adapter->hw, RDTR, 32);

+#endif

+

 	/* Enable Receives */

 	E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);