Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268204AbUIBLY5 (ORCPT ); Thu, 2 Sep 2004 07:24:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268214AbUIBLY5 (ORCPT ); Thu, 2 Sep 2004 07:24:57 -0400 Received: from gwout.thalesgroup.com ([195.101.39.227]:21008 "EHLO GWOUT.thalesgroup.com") by vger.kernel.org with ESMTP id S268204AbUIBLYh (ORCPT ); Thu, 2 Sep 2004 07:24:37 -0400 Message-ID: <413702EE.2000309@fr.thalesgroup.com> Date: Thu, 02 Sep 2004 13:24:30 +0200 From: "P.O. Gaillard" Reply-To: pierre-olivier.gaillard@fr.thalesgroup.com Organization: Thales Air Defence User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020827 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ingo Molnar CC: linux-kernel Subject: Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-Q6 - network is no longer smooth References: <20040830192131.GA12249@elte.hu> <4135C12B.6050208@fr.thalesgroup.com> <20040901130518.GA10060@elte.hu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2087 Lines: 76 Hello, I just tried with Q6 and the network behaviour seems odd : - my ssh connection freezes a bit, - communication between the two PCs sharing the GigE connection is difficult to start : 13:17:37.965962 arp who-has djerba-gig tell canopus-gig 13:17:37.966220 IP djerba-gig > canopus-gig: udp 13:17:37.966230 IP djerba-gig > canopus-gig: udp 13:17:37.966313 IP djerba-gig > canopus-gig: udp 13:17:38.965906 arp who-has djerba-gig tell canopus-gig 13:17:38.966040 IP djerba-gig > canopus-gig: udp This is strange since canopus is the one with Q6 - ping does not start for a moment since all packets are RX-ERROR, then they start being received. Here is the output of ethtool -S eth1 NIC statistics: rx_packets: 581 tx_packets: 552 rx_bytes: 545746 tx_bytes: 66508 rx_errors: 112950 tx_errors: 0 rx_dropped: 90 tx_dropped: 0 multicast: 0 collisions: 0 rx_length_errors: 0 rx_over_errors: 0 rx_crc_errors: 0 rx_frame_errors: 0 rx_fifo_errors: 112860 rx_missed_errors: 112860 tx_aborted_errors: 0 tx_carrier_errors: 0 tx_fifo_errors: 0 tx_heartbeat_errors: 0 tx_window_errors: 0 tx_abort_late_coll: 0 tx_deferred_ok: 0 tx_single_coll_ok: 0 tx_multi_coll_ok: 0 rx_long_length_errors: 0 rx_short_length_errors: 0 rx_align_errors: 0 tx_tcp_seg_good: 0 tx_tcp_seg_failed: 0 rx_flow_control_xon: 0 rx_flow_control_xoff: 0 tx_flow_control_xon: 45 tx_flow_control_xoff: 112905 rx_long_byte_count: 545746 rx_csum_offload_good: 1 rx_csum_offload_errors: 0 I rebooted with Q5 (+ netdev_max_backlog=32) and everything was fine. Is there anything I can do to make my report more useful for you ? P.O. Gaillard - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/