Re: [PATCH] (Re: regression tracking (Re: Linux 2.6.21))

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On Sunday, 17 June 2007 12:22, Michal Piotrowski wrote:
> On 17/06/07, Andrew Morton <[email protected]> wrote:
> > On Sun, 17 Jun 2007 11:41:36 +0200 Michal Piotrowski <[email protected]> wrote:
> >
> > > +If the patch introduces a new regression and this regression was not fixed
> > > +in seven days, then the patch will be reverted.
> >
> > Those regressions where we know which patch caused them are the easy ones.

Except when the bisection points us to a patch exposing a bug that is present
regardless (see http://lkml.org/lkml/2007/6/13/273 for example).

Besides, if a patch is merged before -rc1 as a bugfix, there are several
patches depending on it and only after -rc5 has been released we find out
that it breaks someone's system, then reverting it is not a solution, IMO.

> > Often we don't know which patch (or even which subsystem merge) is at
> > fault.
> >
> > I think.  How many of the present 2.6.22-rc regressions which you're
> > presently tracking have such a well-identified cause?
> >
> 
> Here lays the problem.
> 
> git-bisect is a killer app, people should start using it.

People should test _all_ of the -rc kernels and report problems.  Otherwise, we
may assume that there are no problems and go on.

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
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