Date: Sat, 15 Nov 2014 12:32:29 -0700 From: Ian Lepore <ian@FreeBSD.org> To: Alfred Perlstein <bright@mu.org> Cc: freebsd-current@freebsd.org Subject: Re: Finding a rogue src/sys commit with bisection? Message-ID: <1416079949.4781.156.camel@revolution.hippie.lan> In-Reply-To: <5467A37B.8010506@mu.org> References: <20141115184332.GA30344@troutmask.apl.washington.edu> <5467A1F2.8000703@mu.org> <20141115190133.GA30576@troutmask.apl.washington.edu> <5467A37B.8010506@mu.org>
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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. -- Ian
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