Fedora kernel bisect advice?

Josh Boyer jwboyer at fedoraproject.org
Wed Sep 25 15:29:27 UTC 2013


On Wed, Sep 25, 2013 at 11:18 AM, Bruno Wolff III <bruno at wolff.to> wrote:
> On Wed, Sep 25, 2013 at 11:10:45 -0400,
>   Josh Boyer <jwboyer at fedoraproject.org> wrote:
>> Yes, more or less.  The issue is that building kernels via RPM is
>> slow.  Sometimes it's better to just build and install local kernels
>> and cleanup later.  That is particularly true if you're bisecting in a
>> well defined area, such as a driver or subsystem.  You can just use
>> bisect on that directory and things go much faster.
>
>
> Is there documentation on how to do that without doing the whole rpm
> process? In my particular case it might not help much because there weren't

It's just a normal kernel bisect and build.  Basically:

git bisect good <sha1>, git bisect bad <sha1>, make oldconfig, make
bzImage, make modules, make modules_install, make install.  Reboot,
test, Repeat.

I'm sure there are a number of more verbose howto/guides that google can find.

josh


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