davem@redhat.com said: > 2.4.19 and onward's tg3 is NAPI already. No, it's 2.4.20 and onward. 2.4.19 was the last 2.4 release with the old non-napi netcore. [stoli](0) % grep netif_receive_skb linux-2.4.19/drivers/net/tg3.* [stoli](1) % grep netif_receive_skb linux-2.4.20/drivers/net/tg3.* linux-2.4.20/drivers/net/tg3.c: netif_receive_skb(skb); Which raises the question: Why is he seeing the exact opposite numbers of what you'd expect with 2.4.20? Did you look at his results? He's seeing much _higher_ interrupt load using 2.4.20 kernels. Jason - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html