linux-kernel - Re: BUG: unable to handle kernel NULL pointer dereference at 00000002

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Message-ID: <20080729120911.GI30344@one.firstfloor.org>
Date:	Tue, 29 Jul 2008 14:09:11 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Mike Galbraith <efault@....de>
Cc:	Frederik Deweerdt <deweerdt@...e.fr>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	suresh.b.siddha@...el.com, Ingo Molnar <mingo@...e.hu>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 00000002

On Tue, Jul 29, 2008 at 06:22:15AM +0200, Mike Galbraith wrote:
> On Tue, 2008-07-29 at 00:26 +0200, Frederik Deweerdt wrote:
> > Hello  Aneesh,
> > 
> > On Fri, Jul 25, 2008 at 03:23:17PM +0530, Aneesh Kumar K.V wrote:
> > > [  163.378265] BUG: unable to handle kernel NULL pointer dereference at 00000002
> > > [  163.378276] IP: [<c0124933>] sched_power_savings_store+0x13/0x70
> > 
> > Does the attached patch solve the problem?
> 
> Patch seems to have missed the boat for rc1 too.

Hmm.  I'll resend. 

BTW i think it's clearly a  bug that distributions are even accessing
that file. It doesn't make any sense in the context they are using
it (like at every boot). 

-Andi

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