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

Unteste though, they keyword to use bisect.

In absolutely worst case yu can check out git tree and bisect that :->

-- 
Mateusz Guzik <mjguzik gmail.com>
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