From mboxrd@z Thu Jan 1 00:00:00 1970 From: Changli Gao Subject: Re: Kernel panic eth2 mirred redirect to ifb0 Date: Mon, 20 Dec 2010 00:22:39 +0800 Message-ID: References: <4D0DEDF9.7020102@itcare.pl> <1292773433.18869.153.camel@edumazet-laptop> <4D0E2E52.3090802@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Eric Dumazet , Linux Network Development list To: =?ISO-8859-2?Q?Pawe=B3_Staszewski?= Return-path: Received: from mail-fx0-f43.google.com ([209.85.161.43]:48694 "EHLO mail-fx0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752951Ab0LSQXC convert rfc822-to-8bit (ORCPT ); Sun, 19 Dec 2010 11:23:02 -0500 Received: by fxm18 with SMTP id 18so2274789fxm.2 for ; Sun, 19 Dec 2010 08:23:00 -0800 (PST) In-Reply-To: <4D0E2E52.3090802@itcare.pl> Sender: netdev-owner@vger.kernel.org List-ID: 2010/12/20 Pawe=C5=82 Staszewski : > W dniu 2010-12-19 16:43, Eric Dumazet pisze: >> >> Unfortunately, we miss the start of panic messages. Could you try to= get >> them ? >> > In attached images > It seems the kernel panic at: if (skb_shared(skb)) BUG(); in pskb_expand_head(). It maybe related to my patch: http://git.kernel.org/?p=3Dlinux/kernel/git/davem/net-next-2.6.git;a=3D= commitdiff;h=3D210d6de78c5d7c785fc532556cea340e517955e1 You can try to revert it and test again. However, the bug is a misuse of pskb_expand_head(). --=20 Regards, Changli Gao(xiaosuo@gmail.com)