linux-kernel - Re: [REGRESSION] nfsd crashing with 3.6.0-rc7 on PowerPC

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Date:	Fri, 28 Sep 2012 04:19:55 +0200
From:	Alexander Graf <agraf@...e.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	LKML List <linux-kernel@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-nfs@...r.kernel.org, Jan Kara <jack@...e.cz>,
	skinsbursky@...allels.com, bfields@...hat.com
Subject: Re: [REGRESSION] nfsd crashing with 3.6.0-rc7 on PowerPC


On 28.09.2012, at 04:04, Linus Torvalds wrote:

> On Thu, Sep 27, 2012 at 6:55 PM, Alexander Graf <agraf@...e.de> wrote:
>> 
>> Below are OOPS excerpts from different rc's I tried. All of them crashed - all the way up to current Linus' master branch. I haven't cross-checked, but I don't remember any such behavior from pre-3.6 releases.
> 
> Since you seem to be able to reproduce it easily (and apparently
> reliably), any chance you could just bisect it?
> 
> Since I assume v3.5 is fine, and apparently -rc1 is already busted, a simple
> 
>   git bisect start
>   git bisect good v3.5
>   git bisect bad v3.6-rc1
> 
> will get you started on your adventure..

Heh, will give it a try :). The thing really does look quite bisectable.


It might take a few hours though - the machine isn't exactly fast by today's standards and it's getting late here. But I'll keep you updated.

Alex

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