From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761981AbYC0V5a (ORCPT ); Thu, 27 Mar 2008 17:57:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758314AbYC0V5T (ORCPT ); Thu, 27 Mar 2008 17:57:19 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:47447 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756482AbYC0V5T (ORCPT ); Thu, 27 Mar 2008 17:57:19 -0400 From: "Rafael J. Wysocki" To: Jarek Poplawski Subject: Re: [Bugme-new] [Bug 10326] New: inconsistent lock state in net_rx_action Date: Thu, 27 Mar 2008 22:56:49 +0100 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: Peter Zijlstra , Andrew Morton , netdev@vger.kernel.org, bugme-daemon@bugzilla.kernel.org, marcus@better.se, Stephen Hemminger , LKML , Ingo Molnar References: <1206621014.8514.563.camel@twins> <20080327124928.GE2845@ami.dom.local> In-Reply-To: <20080327124928.GE2845@ami.dom.local> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803272256.50454.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, 27 of March 2008, Jarek Poplawski wrote: > On Thu, Mar 27, 2008 at 01:30:14PM +0100, Peter Zijlstra wrote: > ... > > My guess is that it is a race between polling the device and irq pushing > > the packet. That is, normally the IRQ handler wins and netpoll doesn't > > have anything to do and it doesn't traverse this code path. > > > > (although I must admit to being a little out of my depth here) > > Probably you're right but there were really a lot of testing and > stressing netconsole for misterious lockups for quite a long time > with this new napi, so it's hard to believe this was hidden so > well... I assume there will be a patch posted for this issue. Correct? Rafael