Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752578AbZKDGiY (ORCPT ); Wed, 4 Nov 2009 01:38:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752496AbZKDGiY (ORCPT ); Wed, 4 Nov 2009 01:38:24 -0500 Received: from xenbox.codefidence.com ([92.48.73.16]:45641 "EHLO xenbox.codefidence.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491AbZKDGiX (ORCPT ); Wed, 4 Nov 2009 01:38:23 -0500 Message-ID: <4AF12149.1060305@codefidence.com> Date: Wed, 04 Nov 2009 08:38:01 +0200 From: Gilad Ben-Yossef User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Valdis.Kletnieks@vt.edu CC: =?windows-1252?Q?Ilpo_J=E4rvinen?= , Eric Dumazet , Andrew Morton , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Ori Finkelman Subject: Re: 2.6.32-rc5-mmotm1101 - kernel BUG at net/ipv4/tcp_input.c:3707! References: <5765.1257270611@turing-police.cc.vt.edu> <4AF07024.80103@gmail.com> <4AF08292.7090102@codefidence.com> <7916.1257300093@turing-police.cc.vt.edu> In-Reply-To: <7916.1257300093@turing-police.cc.vt.edu> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2120 Lines: 72 Valdis.Kletnieks@vt.edu wrote: > On Tue, 03 Nov 2009 23:34:19 +0200, Ilpo J?€rvinen said: > > >> On Tue, 3 Nov 2009, Gilad Ben-Yossef wrote: >> >> >>> Eric Dumazet wrote: >>> >>> >>>> Valdis.Kletnieks@vt.edu a ?crit : >>>> >>>> >>>>> Seen right after I started 'fetchmail'. Reproducible - 3 out of 3. >>>>> I'll bisect this tonight if nobody jumps up and yells they know what it >>>>> is... >>>>> >>>>> >>> Bah... this is most probably my fault. Sorry about that. >>> >>> Can you please try the patch in the next email? >>> > > Tried while at home, machine panic'ed. No netconsole here at the moment, sorry. > Ok, thanks.That is ... strange. I didn't manage to recreate this here with a simple IPv6 set and netcat as server client but I will try further, but if there is any way to send me the crash location that would be a big help. Thanks. > > > Why was this blowing chunks in the IPv6 when I was making an IPv4 connection > then? I just noticed that. My fetchmail can't make an IPv6 TCP connection to > our IMAP server because the server isn't v6-enabled yet. And although I > contact our DNS over IPv6, but that's UDP not TCP. > > I don't think the chunk blowing occurred due to the connection to the IMAP server. That codes deals with incoming SYNs. I guess it happened when fetchmail tried to connect to the local mail daemon and this should be happening over the loopback interface... Gilad -- Gilad Ben-Yossef Chief Coffee Drinker & CTO Codefidence Ltd. Web: http://codefidence.com Cell: +972-52-8260388 Skype: gilad_codefidence Tel: +972-8-9316883 ext. 201 Fax: +972-8-9316884 Email: gilad@codefidence.com Check out our Open Source technology and training blog - http://tuxology.net "The biggest risk you can take it is to take no risk." -- Mark Zuckerberg and probably others -- 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/