linux-kernel - Re: mmotm 2008-11-26-17-00 uploaded

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Message-Id: <200812040642.FFB65682.QSVJMHOOFLtFOF@I-love.SAKURA.ne.jp>
Date:	Thu, 4 Dec 2008 06:42:06 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	shemminger@...tta.com, akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: mmotm 2008-11-26-17-00 uploaded

Hello.

Stephen Hemminger wrote:
> > > [   24.978638] BUG: unable to handle kernel NULL pointer dereference at 00000004
> > > [   24.980541] IP: [<c056bfb7>] loopback_get_stats+0x26/0x51
> > 
> > At a guess I'd say that local variable `stats' in loopback_get_stats()
> > is null.
> > 
> > but it's a bit hard to see how that change could cause the crash which
> > you observed.
> 
> Could be that some other code is stomping on per-cpu variables?

I don't know what was the cause, but mmotm 2008-12-02-17-08 is working fine.

Thanks.
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