Date: Sat, 15 Nov 2014 10:52:26 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Mateusz Guzik <mjguzik@gmail.com>, freebsd-current@freebsd.org Subject: Re: Finding a rogue src/sys commit with bisection? Message-ID: <20141115185226.GA30440@troutmask.apl.washington.edu> In-Reply-To: <20141115184609.GB22467@dft-labs.eu> References: <20141115184332.GA30344@troutmask.apl.washington.edu> <20141115184609.GB22467@dft-labs.eu>
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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
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