From owner-freebsd-current@FreeBSD.ORG Sat Nov 15 19:39:33 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 97EFA9EE; Sat, 15 Nov 2014 19:39:33 +0000 (UTC) Received: from elvis.mu.org (elvis.mu.org [IPv6:2001:470:1f05:b76::196]) by mx1.freebsd.org (Postfix) with ESMTP id 8447ADC0; Sat, 15 Nov 2014 19:39:33 +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 62E0B341F867; Sat, 15 Nov 2014 11:39:33 -0800 (PST) Message-ID: <5467ABF5.7070807@mu.org> Date: Sat, 15 Nov 2014 11:39:33 -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: Ian Lepore Subject: Re: Finding a rogue src/sys commit with bisection? References: <20141115184332.GA30344@troutmask.apl.washington.edu> <5467A1F2.8000703@mu.org> <20141115190133.GA30576@troutmask.apl.washington.edu> <5467A37B.8010506@mu.org> <1416079949.4781.156.camel@revolution.hippie.lan> In-Reply-To: <1416079949.4781.156.camel@revolution.hippie.lan> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org 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 19:39:33 -0000 On 11/15/14, 11:32 AM, Ian Lepore wrote: > On Sat, 2014-11-15 at 11:03 -0800, Alfred Perlstein wrote: >> On 11/15/14, 11:01 AM, Steve Kargl wrote: >>> On Sat, Nov 15, 2014 at 10:56:50AM -0800, Alfred Perlstein wrote: >>>> On 11/15/14, 10:43 AM, 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). >>>>> >>>>> Rinse and repeat. >>>>> >>>> Use git, it has a built in bisector to shake this sort of thing out: >>>> >>> I won't be drawn into the git debate. >>> >> OK, so we don't want to use a tool purposefully built for the problem >> you are facing? Doesn't seem like a "git debate" more like hammering in >> screws... >> > This in-your-face git evangelism is getting REALLY OLD, REALLY FAST. > Please stop it. > > I have nothing in particular against git, I just have no interest in it. > But that's rapidly transforming into active dislike in exact proportion > to being repeatedly talked down to by someone with a different opinion, > and apparently the belief that folks with other opinions just need more > repetitious condescention to see the light. > This is really over the top. It's not evangelism, the guy asked "how do I do X?" I showed him how to do it in a few simple steps. If you take "git" out of the equation it would have been a simple "thank you". I could have just as simply replied with the steps needed, however s/git/frob/g and it wouldn't have "triggered" any reaction from people. -Alfred