From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967584AbXEHBEP (ORCPT ); Mon, 7 May 2007 21:04:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S967542AbXEHBEM (ORCPT ); Mon, 7 May 2007 21:04:12 -0400 Received: from dpc691978010.direcpc.com ([69.19.78.10]:34867 "EHLO third-harmonic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966205AbXEHBEH (ORCPT ); Mon, 7 May 2007 21:04:07 -0400 X-Greylist: delayed 2756 seconds by postgrey-1.27 at vger.kernel.org; Mon, 07 May 2007 21:03:53 EDT Message-ID: <463FC24C.309@third-harmonic.com> Date: Mon, 07 May 2007 20:20:28 -0400 From: john cooper User-Agent: Thunderbird 1.5.0.2 (X11/20060420) MIME-Version: 1.0 To: Daniel Walker CC: Tim Bird , Thomas Gleixner , Ingo Molnar , dirk.behme@googlemail.com, linux kernel , john cooper Subject: Re: Need help debugging RT-preempt patch References: <463F7449.2020509@am.sony.com> <1178569719.3164.6.camel@imap.mvista.com> <463F93FB.1000908@am.sony.com> <1178572299.3164.14.camel@imap.mvista.com> In-Reply-To: <1178572299.3164.14.camel@imap.mvista.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 Daniel Walker wrote: > I'm not sure I'd get into "bisecting" one big patch. Especially if you > new to the patches inner workings.. > > You can bisect by kernel version using the older patches but it's > clearly limited, > > http://people.redhat.com/mingo/realtime-preempt/older/ Actually working on this more closely over a year or so ago I found a binary chop among patch versions to often be the fastest means of locating the source of breakage. Though that may have been more applicable when several patch versions per day were being generated. -john -- john.cooper@third-harmonic.com