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Date: Wed, 2 Apr 2008 09:31:08 +0200
From: Jens Axboe <jens.axboe@oracle.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Pekka J Enberg <penberg@cs.helsinki.fi>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Vegard Nossum <vegard.nossum@gmail.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: kmemcheck caught read from freed memory (cfq_free_io_context)
Message-ID: <20080402073108.GL12774@kernel.dk>
References: <19f34abd0804011408v19e13b6cje1ca89a2a471484c@mail.gmail.com> <1207085788.29991.6.camel@lappy> <20080402071709.GC12774@kernel.dk> <Pine.LNX.4.64.0804021020280.25738@sbz-30.cs.Helsinki.FI> <20080402072456.GI12774@kernel.dk> <20080402072846.GA16454@elte.hu>
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On Wed, Apr 02 2008, Ingo Molnar wrote:
> 
> * Jens Axboe <jens.axboe@oracle.com> wrote:
> 
> > On Wed, Apr 02 2008, Pekka J Enberg wrote:
> > > On Wed, 2 Apr 2008, Jens Axboe wrote:
> > > > Good catch, I wonder why it didn't complain in my testing. I've added a
> > > > patch to fix that, please see it here:
> > > 
> > > You probably don't have kmemcheck in your kernel ;-)
> > 
> > Ehm no, you are right :)
> 
> ... and you can get kmemcheck by testing on x86.git/latest:
> 
>   http://people.redhat.com/mingo/x86.git/README
> 
> ;-)

Thanks Ingo, I'll give it a spin to verify this fix!

-- 
Jens Axboe