From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751836AbWF2ASF (ORCPT ); Wed, 28 Jun 2006 20:18:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751837AbWF2ASE (ORCPT ); Wed, 28 Jun 2006 20:18:04 -0400 Received: from smtp-out.google.com ([216.239.45.12]:60099 "EHLO smtp-out.google.com") by vger.kernel.org with ESMTP id S1751836AbWF2ASD (ORCPT ); Wed, 28 Jun 2006 20:18:03 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=received:message-id:date:from:user-agent: x-accept-language:mime-version:to:cc:subject:references:in-reply-to: content-type:content-transfer-encoding; b=jQfqMrp82fA/TEfhUvFthBN2ajWHrbLTZyeHvHO7OKmMg1PVFzAaooF5J6+sJr6vj ZePMddIgLWV+U9e4IqeJw== Message-ID: <44A31BFE.3000504@google.com> Date: Wed, 28 Jun 2006 17:17:02 -0700 From: "Martin J. Bligh" User-Agent: Mozilla Thunderbird 1.0.8 (X11/20060502) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Martin Bligh CC: Andrew Morton , mbligh@mbligh.org, jeremy@goop.org, linux-kernel@vger.kernel.org, apw@shadowen.org, linuxppc64-dev@ozlabs.org, drfickle@us.ibm.com Subject: Re: 2.6.17-mm2 References: <449D5D36.3040102@google.com> <449FF3A2.8010907@mbligh.org> <44A150C9.7020809@mbligh.org> <20060628034215.c3008299.akpm@osdl.org> <20060628034748.018eecac.akpm@osdl.org> <44A29582.7050403@google.com> <20060628121102.638f08d9.akpm@osdl.org> <44A2DA40.40502@google.com> In-Reply-To: <44A2DA40.40502@google.com> 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 Martin Bligh wrote: >>> How the hell did you figure that one out? >> >> >> Found a way to reproduce it - do `cat /proc/slabinfo > /dev/null' in a >> tight loop. With that happening, a little two-way wasn't able to make >> it through `dbench 4' without soiling the upholstery. Then >> bisection-searching. > > > Aha. we probably trigger it because the automated test harness dumps a > bunch of crap out of /proc before and after running dbench then ;-) OK, your patch does seem to fix it for the automated tests. Not 100% reliable, since it was a little intermittent before, but it looks good. Thanks to both Andrew and Andy. M.