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SubjectRe: Bisecting tip/auto-x86-next?

* Kevin Winchester <kjwinchester@gmail.com> wrote:

> Hi,
>
> I am trying to track down a problem I reported here:
>
> http://lkml.org/lkml/2008/6/11/431

[ GART related bootup crash. ]

> None or you were cc'd on the original report because I had no idea of
> the source of the issue. However, I have now narrowed down the
> problem to the auto-x86-next tree. Thus I did something like:
>
> $ git bisect start
> $ git bisect good linus/master
> $ git bisect bad tip/auto-x86-next

ok, in that case you can use tip's topical structure and probably bisect
purely x86/gart, which has all x86 gart changes.

I.e. do something like this:

git-checkout tip/x86/gart

build and boot that kernel, if it fails and mainline works then do:

git-bisect reset
git-bisect start
git-bisect good linus/master
git-bisect bad tip/x86/gart

this should drastically reduce the number of bisection steps needed, to
3 or 4 iterations.

Ingo


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