linux-kernel - Re: kmemleak, cpu usage jump out of nowhere

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Message-ID: <AANLkTikKpzjQ9KTWx2i36bz0KjzKzBLhF-d4mtKEqczQ@mail.gmail.com>
Date:	Fri, 16 Jul 2010 11:42:38 +0200
From:	Zeno Davatz <zdavatz@...il.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Damien Wyart <damien.wyart@...e.fr>,
	Catalin Marinas <catalin.marinas@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"x86@...nel.org" <x86@...nel.org>, "mingo@...e.hu" <mingo@...e.hu>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: kmemleak, cpu usage jump out of nowhere

On Fri, Jul 16, 2010 at 11:32 AM, Pekka Enberg <penberg@...helsinki.fi> wrote:

> No, you should only do "git bisect bad" if you find a CPU eater and "git
> bisect good" if you don't. For the non-booting kernels you should do "git
> bisect skip"; otherwise git gets confused as we can see here.
>
> Did you test v2.6.35-rc1? Does it have the CPU eater problem? If yes, please
> just reset your bisection
>
>  git bisect reset
>  git bisect start
>  git bisect good v2.6.34-rc7
>  git bisect bad v2.6.35-rc1
>
> and use 'git bisect skip' for kernels that don't boot or build.

Ok I done above and reboot onto the new bzImage:

This version looks fine.

Linux zenogentoo 2.6.34-04401-gf896546 #106 SMP Fri Jul 16 11:37:04
CEST 2010 i686 Intel(R) Core(TM) i7 CPU 960 @ 3.20GHz GenuineIntel
GNU/Linux

Best
Zeno
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