> In any case, I see the queueing is stopped in > e1000_xmit_frame( ) by calling netif_stop_queue( ) . But I > couldn't find to when does it set it back...I mean, when does > e1000 starts queueing again? I didn't find any call to > netif_start_queue( ) from e1000. See netif_wake_queue in e1000_clean_tx_irq. - : 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