From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758328Ab0JUWSt (ORCPT ); Thu, 21 Oct 2010 18:18:49 -0400 Received: from mout0.freenet.de ([195.4.92.90]:45116 "EHLO mout0.freenet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752383Ab0JUWSr (ORCPT ); Thu, 21 Oct 2010 18:18:47 -0400 Message-ID: <4CC0BC3E.6080906@freenet.de> Date: Fri, 22 Oct 2010 00:18:38 +0200 From: Patrick Ringl User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.11) Gecko/20100713 Thunderbird/3.0.6 MIME-Version: 1.0 To: Herbert Xu CC: Patrick Ringl , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org Subject: Re: 2.6.36-rc7: net/bridge causes temporary network I/O lockups [2] References: <4CB9EBC3.4070905@freenet.de> <20101018161656.GA2403@gondor.apana.org.au> <4CBCB014.9080108@freenet.de> <20101020061631.GA21679@gondor.apana.org.au> In-Reply-To: <20101020061631.GA21679@gondor.apana.org.au> Content-Type: multipart/mixed; boundary="------------070402080704000908080609" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------070402080704000908080609 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/20/2010 08:16 AM, Herbert Xu wrote: > On Mon, Oct 18, 2010 at 10:37:40PM +0200, Patrick Ringl wrote: > >> Anything else I could possibly provide? :-) >> > Yes, testing :) > > First of all I'd like to rule out (or in) the IPv6 query code, > which is clearly generating a bogus packet (wrong payload_len). > > So can you apply this patch and see if it makes the problem > go away? Please take packet dumps so we know that the IPv6 query > is no longer being sent. > Hi, Hi, sorry for the late response. I've been using your patch on 2.6.36 and unfortunately, the bogus ipv6 packet is not the cause of the lockups. I have attached two packet dumps (br0 and eth1) again. regards, Patrick > Thanks, > --------------070402080704000908080609 Content-Type: application/octet-stream; name="n_br0" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="n_br0" 1MOyoQIABAAAAAAAAAAAAP//AAABAAAA7LrATOt6DABOAAAATgAAANhdTIB5bwAeZREzIAgA RQAAQB/sAAABARZswKgBA8CoARIIAJU5PUUlgQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAOy6wEwLewwATgAAAE4AAAAAHmURMyDYXUyAeW8IAEUAAEAs7AAAQAHKa8Co ARLAqAEDAACdOT1FJYEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADtusBM p38MAE4AAABOAAAA2F1MgHlvAB5lETMgCABFAABAH+0AAAEBFmvAqAEDwKgBEggAlDk9RSaB AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA7brATMd/DABOAAAATgAAAAAe ZREzINhdTIB5bwgARQAAQCztAABAAcpqwKgBEsCoAQMAAJw5PUUmgQAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAO66wEwKhAgALgAAAC4AAAABAF4AAAHYXUyAeW8IAEbA ACAAAEAAAQIEFwAAAADgAAABlAQAABFk7psAAAAA7rrATLOEDABOAAAATgAAANhdTIB5bwAe ZREzIAgARQAAQB/uAAABARZqwKgBA8CoARIIAJM5PUUngQAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAO66wEzVhAwATgAAAE4AAAAAHmURMyDYXUyAeW8IAEUAAEAs7gAA QAHKacCoARLAqAEDAACbOT1FJ4EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AADvusBMe4kMAE4AAABOAAAA2F1MgHlvAB5lETMgCABFAABAH+8AAAEBFmnAqAEDwKgBEggA kjk9RSiBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA77rATJuJDABOAAAA TgAAAAAeZREzINhdTIB5bwgARQAAQCzvAABAAcpowKgBEsCoAQMAAJo5PUUogQAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPC6wEyrbwgALgAAAC4AAAABAF4AAPsAHmUR MyAIAEbAACAAAEAAAQJBccCoAQPgAAD7lAQAABYACQTgAAD787rATJ/4BwAuAAAALgAAAAEA Xn//+gAbnv6nBAgARsAAIAAAQAABAjJzwKgBAu////qUBAAAFgD6BO////r0usBM/FUIAC4A AAAuAAAAAQBeAAACABue/qcECABGwAAgAABAAAECQmvAqAEC4AAAApQEAAAWAAn94AAAAvi6 wEzAqwYALgAAAC4AAAABAF4AABYAG57+pwQIAEbAACAAAEAAAQJCV8CoAQLgAAAWlAQAABYA CengAAAW+LrATOXrDAA8AAAAPAAAAP///////wAeZREzIAgGAAEIAAYEAAEAHmURMyDAqAED AAAAAAAAwKgBEgAAAAAAAAAAAAAAAAAAy4X/pvi6wEz36wwAKgAAACoAAAAAHmURMyDYXUyA eW8IBgABCAAGBAAC2F1MgHlvwKgBEgAeZREzIMCoAQP4usBMKPMMAE4AAABOAAAA2F1MgHlv AB5lETMgCABFAABAH/gAAAEBFmDAqAEDwKgBEggAiTk9RTGBAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAA+LrATEzzDABOAAAATgAAAAAeZREzINhdTIB5bwgARQAAQCzw AABAAcpnwKgBEsCoAQMAAJE5PUUxgQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAPm6wEzkwAwATgAAAE4AAADYXUyAeW8AHmURMyAIAEUAAEAf+QAAAQEWX8CoAQPAqAES CACIOT1FMoEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD5usBMB8EMAE4A AABOAAAAAB5lETMg2F1MgHlvCABFAABALPEAAEABymbAqAESwKgBAwAAkDk9RTKBAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA+rrATBrFDABOAAAATgAAANhdTIB5bwAe ZREzIAgARQAAQB/6AAABARZewKgBA8CoARIIAIc5PUUzgQAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAPq6wExCxQwATgAAAE4AAAAAHmURMyDYXUyAeW8IAEUAAEAs8gAA QAHKZcCoARLAqAEDAACPOT1FM4EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA= --------------070402080704000908080609 Content-Type: application/octet-stream; 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