From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: circular locking, mirred, 2.6.24.2 Date: Thu, 06 Mar 2008 15:56:40 -0500 Message-ID: <1204837000.4457.108.camel@localhost> References: <20080224222035.M62480@visp.net.lb> <20080225095646.GA4321@ff.dom.local> <20080225104652.M2446@visp.net.lb> <20080225113930.GA4733@ff.dom.local> <20080305103935.M76165@visp.net.lb> <20080306134015.GA4571@ff.dom.local> <20080306135625.M25627@visp.net.lb> <1204813634.4440.59.camel@localhost> <20080306143910.M91001@visp.net.lb> <20080306202551.GB2876@ami.dom.local> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Denys Fedoryshchenko , netdev@vger.kernel.org To: Jarek Poplawski Return-path: Received: from el-out-1112.google.com ([209.85.162.181]:38521 "EHLO el-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765663AbYCFU4q (ORCPT ); Thu, 6 Mar 2008 15:56:46 -0500 Received: by el-out-1112.google.com with SMTP id v27so80175ele.17 for ; Thu, 06 Mar 2008 12:56:44 -0800 (PST) In-Reply-To: <20080306202551.GB2876@ami.dom.local> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 2008-06-03 at 21:25 +0100, Jarek Poplawski wrote: > It's really strange: I can't reproduce this, I couldnt either - are you using 2.6.25-rc4? > and if it were so easy we > would get really a lot of similar reports. It looks like you have > something special. This lockdep report with this kind of problem > usually looks different too. The good side is it's easy to reproduce. > So, could you try the patch below? (It's only supposed to fix the lockdep > warning, not lockups). This is more out of ignorance: Why is ifb needing the extra teaching for lockdep? It is a netdevice - shouldnt the two global lockdeps you described earlier not be sufficient? cheers, jamal