diff --git a/[refs] b/[refs]
index 75eec9696176..935ff1f8d236 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2bf69b5fe90b3246ab50064c5a690a363e8c53e2
+refs/heads/master: 9c15d24f2420c2155eccd32d7ab909a9c0e63c2b
diff --git a/trunk/drivers/net/ixgb/ixgb_main.c b/trunk/drivers/net/ixgb/ixgb_main.c
index 097b90ccf575..492783be205e 100644
--- a/trunk/drivers/net/ixgb/ixgb_main.c
+++ b/trunk/drivers/net/ixgb/ixgb_main.c
@@ -145,10 +145,12 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 
 /* some defines for controlling descriptor fetches in h/w */
-#define RXDCTL_PTHRESH_DEFAULT 128	/* chip considers prefech below this */
-#define RXDCTL_HTHRESH_DEFAULT 16	/* chip will only prefetch if tail is 
-					   pushed this many descriptors from head */
 #define RXDCTL_WTHRESH_DEFAULT 16	/* chip writes back at this many or RXT0 */
+#define RXDCTL_PTHRESH_DEFAULT 0		/* chip considers prefech below
+						 * this */
+#define RXDCTL_HTHRESH_DEFAULT 0		/* chip will only prefetch if tail
+						 * is pushed this many descriptors
+						 * from head */
 
 /**
  * ixgb_init_module - Driver Registration Routine