From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: [RFT] proxy arp deadlock possible Date: Thu, 5 Apr 2007 00:49:47 -0400 Message-ID: <20070405044947.GB29736@redhat.com> References: <1175735443.3270.11.camel@laptopd505.fenrus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Herbert Xu , Stephen Hemminger , davem@davemloft.net, mingo@elte.hu, netdev@vger.kernel.org To: Arjan van de Ven Return-path: Received: from mx1.redhat.com ([66.187.233.31]:57658 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161250AbXDEGSH (ORCPT ); Thu, 5 Apr 2007 02:18:07 -0400 Content-Disposition: inline In-Reply-To: <1175735443.3270.11.camel@laptopd505.fenrus.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wed, Apr 04, 2007 at 06:10:42PM -0700, Arjan van de Ven wrote: > On Thu, 2007-04-05 at 10:44 +1000, Herbert Xu wrote: > > Stephen Hemminger wrote: > > > Thanks Dave, there is a classic AB BA deadlock here. > > > We should break the dependency like this. > > > > > > Could someone who uses proxy ARP test this? > > > > Sorry Stephen, this isn't necessary. The lockdep thing is > > simply confused here. It's treating tbl->proxy_queue as the > > same thing as neigh->arp_queue when they're clearly different. > > > > I'm disappointed that after all this time lockdep is still > > producing bogus reports like this. I'm sure we've been > > through this particular issue many times already. > > > what's the exact lockdep output here? http://www.mail-archive.com/netdev@vger.kernel.org/msg35266.html Dave -- http://www.codemonkey.org.uk