From owner-freebsd-current@FreeBSD.ORG Sat Nov 15 18:52:27 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 254FC267 for ; Sat, 15 Nov 2014 18:52:27 +0000 (UTC) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "troutmask.apl.washington.edu", Issuer "troutmask.apl.washington.edu" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id DF4F7A22 for ; Sat, 15 Nov 2014 18:52:26 +0000 (UTC) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.14.9/8.14.9) with ESMTP id sAFIqQ6e030452 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 15 Nov 2014 10:52:26 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.14.9/8.14.9/Submit) id sAFIqQbI030451; Sat, 15 Nov 2014 10:52:26 -0800 (PST) (envelope-from sgk) Date: Sat, 15 Nov 2014 10:52:26 -0800 From: Steve Kargl To: Mateusz Guzik , freebsd-current@freebsd.org Subject: Re: Finding a rogue src/sys commit with bisection? Message-ID: <20141115185226.GA30440@troutmask.apl.washington.edu> References: <20141115184332.GA30344@troutmask.apl.washington.edu> <20141115184609.GB22467@dft-labs.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141115184609.GB22467@dft-labs.eu> User-Agent: Mutt/1.5.23 (2014-03-12) 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 18:52:27 -0000 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. -- Steve