Date: Thu, 2 Dec 2010 08:41:59 +0100
From: Michael Leun <lkml20101129@newton.leun.net>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: hughd@google.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: kernel BUG at mm/truncate.c:475!
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On Wed, 01 Dec 2010 18:22:33 +0100
Miklos Szeredi <miklos@szeredi.hu> wrote:

> On Wed, 1 Dec 2010, Michael Leun wrote:
> > At the moment I've downgraded to 2.6.36 - I cannot remember to have
> > seen this there - which does not need to mean anything, because
> > workload has changed (several unshared mount/network namespaces
> > chrooted into unionfs-fuse mounted roots - cool stuff...).
> > 
> > Would you suspect to make 2.6.36 <> 2.6.36.1 a difference here?
> 
> No, that's unlikely.

Took until now to happen in 2.6.36 - so it is there also. I cannot
really say if it is less frequent in 2.6.36 at the moment, but from
that very limited number of tests (1) it looks like.

> > Later, when I've results from the test with 2.6.36 of course I'll
> > try the quick test you suggested.
> 
> Okay, thanks.

Kernel compile 2.6.36.1 with that .page_mkwrite commented out running
now, will reboot really soon now (TM).

-- 
MfG,

Michael Leun

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