From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: KVM induced panic on 2.6.38[2367] & 2.6.39 Date: Wed, 01 Jun 2011 14:09:20 +0300 Message-ID: <4DE61DE0.9030100@redhat.com> References: <4DE44333.9000903@fnarfbargle.com> <20110531054729.GA16852@liondog.tnic> <4DE4B432.1090203@fnarfbargle.com> <20110531103808.GA6915@eferding.osrc.amd.com> <4DE4FA2B.2050504@fnarfbargle.com> <4DE589C5.8030600@fnarfbargle.com> <20110601011527.GN19505@random.random> <4DE5DCA8.7070704@fnarfbargle.com> <4DE5E29E.7080009@redhat.com> <4DE60669.9050606@fnarfbargle.com> <4DE60918.3010008@redhat.com> <4DE60940.1070107@redhat.com> <4DE61A2B.7000008@fnarfbargle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Hugh Dickins , Andrea Arcangeli , Borislav Petkov , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-mm , netdev To: Brad Campbell Return-path: In-Reply-To: <4DE61A2B.7000008@fnarfbargle.com> Sender: owner-linux-mm@kvack.org List-Id: netdev.vger.kernel.org On 06/01/2011 01:53 PM, Brad Campbell wrote: > On 01/06/11 17:41, Avi Kivity wrote: >> On 06/01/2011 12:40 PM, Avi Kivity wrote: >>> >>> bridge and netfilter, IIRC this was also the problem last time. >>> >>> Do you have any ebtables loaded? > > Never heard of them, but making a cursory check just in case.. > > brad@srv:/raid10/src/linux-2.6.39$ grep EBTABLE .config > # CONFIG_BRIDGE_NF_EBTABLES is not set > >>> Can you try building a kernel without ebtables? Without netfilter at >>> all? > > Well, without netfilter I can't get it to crash. The problem is > without netfilter I can't actually use it the way I use it to get it > to crash. > > I rebooted into a netfilter kernel, and did all the steps I'd used on > the no-netfilter kernel and it ticked along happily. > > So the result of the experiment is inconclusive. Having said that, the > backtraces certainly smell networky. > > To get it to crash, I have to start IE in the VM and https to the > public address of the machine, which is then redirected by netfilter > back into another of the VM's. > > I can https directly to the other VM's address, but that does not > cause it to crash, however without netfilter loaded I can't bounce off > the public IP. It's all rather confusing really. > > What next Sherlock? > Maybe the Sherlocks at netdev@ can tell. -- error compiling committee.c: too many arguments to function -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org