From owner-freebsd-current@FreeBSD.ORG Sat Nov 15 18:57:56 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 19CEC780 for ; Sat, 15 Nov 2014 18:57:56 +0000 (UTC) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.freebsd.org (Postfix) with ESMTP id 07410A66 for ; Sat, 15 Nov 2014 18:57:56 +0000 (UTC) Received: from AlfredMacbookAir.local (c-76-21-10-192.hsd1.ca.comcast.net [76.21.10.192]) by elvis.mu.org (Postfix) with ESMTPSA id DFD6C341F83D; Sat, 15 Nov 2014 10:57:55 -0800 (PST) Message-ID: <5467A233.1040002@mu.org> Date: Sat, 15 Nov 2014 10:57:55 -0800 From: Alfred Perlstein User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: freebsd-current@freebsd.org, Steve Kargl Subject: Re: Finding a rogue src/sys commit with bisection? References: <20141115184332.GA30344@troutmask.apl.washington.edu> <20141115184609.GB22467@dft-labs.eu> <20141115185226.GA30440@troutmask.apl.washington.edu> In-Reply-To: <20141115185226.GA30440@troutmask.apl.washington.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Nov 2014 18:57:56 -0000 On 11/15/14, 10:52 AM, Steve Kargl wrote: > On Sat, Nov 15, 2014 at 07:46:09PM +0100, Mateusz Guzik wrote: >> On Sat, Nov 15, 2014 at 10:43:32AM -0800, Steve Kargl wrote: >>> Before I totally hose by /usr/src directory, does anyone >>> have some guidelines on doing a binary search for a rogue >>> commit in /usr/src/sys?. Either cam or usb (or acpi?) has >>> broken the ability to remove a external USB device once it >>> is plugged into a usb port on my Dell Latitude D530 laptop. >>> I know that a good kernel can be built with r271273 and >>> a bad kernel comes from (nearly) top of tree at r274456. >>> >>> I assume I need to do somthing along the lines >>> >>> % cd /usr/src/sys >>> % svn merge -r 274456:272864 (half way point between good and bad) >>> (build kernel and test) >>> % cd /usr/src/sys >>> % svn revert -R . >>> (assume 272864 builds working kernel) >>> % svn merge -r 274456:273660 (1/2 point between 272864 and 274456). >>> >> http://search.cpan.org/dist/App-SVN-Bisect/bin/svn-bisect >> > There's no instructions on how to install it. > >> In absolutely worst case yu can check out git tree and bisect that :-> >> > Nope. Learning how to use git and github is well beyond any interest > I have. I just sent you a workflow that will take you about 10 minutes to sort out for git. If you want reply in private and I can send you my phone number to show how if you get stuck. -Alfred