From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: PROBLEM: reproducible crash KVM+nf_conntrack all recent 2.6 kernels Date: Thu, 28 Jan 2010 13:19:29 +0100 Message-ID: <4B6180D1.6050609@trash.net> References: <1264657559.2793.103.camel@tonnant> <1264658364.2793.105.camel@tonnant> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: linux-kernel , netdev , netfilter-devel@vger.kernel.org To: Jon Masters Return-path: Received: from stinky.trash.net ([213.144.137.162]:47928 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750972Ab0A1MTe (ORCPT ); Thu, 28 Jan 2010 07:19:34 -0500 In-Reply-To: <1264658364.2793.105.camel@tonnant> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Jon Masters wrote: > On Thu, 2010-01-28 at 00:46 -0500, Jon Masters wrote: > >> A number of people seem to have reported this crash in various forms, >> but I have yet to see a solution, and can reproduce on 2.6.33-rc5 this >> evening so I know it's still present in the latest upstream kernels too. >> Userspace is Fedora 12, and this happens on both all recent F12 kernels >> (sporadic in 2.6.31 until recently, solidly reproducible on 2.6.32) and >> upstream 2.6.32, and 2.6.33-rc5 also - hard to find a "known good". > > Now I can capture the panic()s, I'm rebuilding the 2.6.33-rc5 kernel > with some better debugging options to at least get some more data. Could you try "ip6tables -t raw -I PREROUTING -j TRACE" after loading the ip6t_LOG module? That way we can hopefully see the entire packet paths through netfilter.