From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264588AbTK0Sz7 (ORCPT ); Thu, 27 Nov 2003 13:55:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264591AbTK0Sz7 (ORCPT ); Thu, 27 Nov 2003 13:55:59 -0500 Received: from dbl.q-ag.de ([80.146.160.66]:6290 "EHLO dbl.q-ag.de") by vger.kernel.org with ESMTP id S264588AbTK0Sz6 (ORCPT ); Thu, 27 Nov 2003 13:55:58 -0500 Message-ID: <3FC648B1.1090607@colorfullife.com> Date: Thu, 27 Nov 2003 19:55:45 +0100 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.1) Gecko/20031030 X-Accept-Language: en-us, en MIME-Version: 1.0 To: pinotj@club-internet.fr CC: torvalds@osdl.org, akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [Oops] i386 mm/slab.c (cache_flusharray) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org pinotj@club-internet.fr wrote: >Thanks for your explanation. >Should I try with L1 and/or L2 cache disable on my computer (I don't know if it's safe) ? >I trust my hardware but it's better to get some facts. > No, it wouldn't help. Something in the kernel randomly corrupts memory. I'm certain that it's not slab. I'm also fairly certain that it's not the hardware - IBM guys reproduced corruptions on both ppc64 and i386 systems (bugzilla 1097 and 1497). The corrupted object is the slab structure or the bufctl entries - data near the beginning of a page. But I have no idea how to pinpoint it. -- Manfred