From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753215Ab2HUAFh (ORCPT ); Mon, 20 Aug 2012 20:05:37 -0400 Received: from host86-151-170-244.range86-151.btcentralplus.com ([86.151.170.244]:54478 "EHLO oak.selfip.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428Ab2HUAFf (ORCPT ); Mon, 20 Aug 2012 20:05:35 -0400 Message-ID: <5032D0C0.4080908@oak.selfip.net> Date: Tue, 21 Aug 2012 01:05:20 +0100 From: Dave Haywood User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:15.0) Gecko/20120815 Thunderbird/15.0 MIME-Version: 1.0 To: Artem Savkov CC: Shaun Ruffell , Linux Kernel , linux-net@vger.kernel.org Subject: Re: BUG: unable to handle kernel paging request at 00010016 References: <502ECC74.9030605@oak.selfip.net> <20120819042543.GA14461@digium.com> <20120819082117.GA4634@thinkpad.lan> In-Reply-To: <20120819082117.GA4634@thinkpad.lan> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19/08/2012 09:21, Artem Savkov wrote: > On Sat, Aug 18, 2012 at 11:25:43PM -0500, Shaun Ruffell wrote: >> Adding linux-net to the CC list. >> >> On Fri, Aug 17, 2012 at 11:57:56PM +0100, Dave Haywood wrote: >>> [1.] One line summary of the problem: >>> BUG: unable to handle kernel paging request at 00010016 >>> >>> System boots then crashes a 5-10 or so seconds after getting to the login prompt >>> Booting without the network cable attached prevents the crash (no evidence beyond 10 minutes after boot) >>> >>> Diagnostics: >>> Captured the boot and managed a login + dmesg before the crash >>> Some of the log looks corrupted. Probably my crappy usb dongle serial flow control but left it in anyway >> [snip] >> >> Just a note that I see this as well. It happens reliably for me after trying to >> login to the machine via ssh. >> >> Here is the back trace I collected on the serial port. > There is a patch posted on netdev that fixes this for me: > http://patchwork.ozlabs.org/patch/178525/ > Bisected to: 5d299f3d3c8a2fbc732b1bf03af36333ccec3130 is the first bad commit commit 5d299f3d3c8a2fbc732b1bf03af36333ccec3130 Author: Eric Dumazet Date: Mon Aug 6 05:09:33 2012 +0000 net: ipv6: fix TCP early demux IPv6 needs a cookie in dst_check() call. We need to add rx_dst_cookie and provide a family independent sk_rx_dst_set(sk, skb) method to properly support IPv6 TCP early demux. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller :040000 040000 96ade77f304a89c1886fbaa125b03d1f5699e418 485a021044b8f52ae8562e4e90d8f6536863f5e7 M include :040000 040000 1ebd6792af2014ad11979216b9a56504a28d5782 7a53fc9e7fb219c4cacb1bbb3b6867f30790dfd1 M net