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Re: MIPS panic in 2.6.39 (bisected to 7eaceaccab5f)

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: MIPS panic in 2.6.39 (bisected to 7eaceaccab5f)
From: Rob Landley <rob@landley.net>
Date: Fri, 27 May 2011 15:09:19 -0500
Cc: linux-kernel@vger.kernel.org, linux-mips@linux-mips.org
In-reply-to: <20110527140011.GF30117@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <4DDB5673.5060206@landley.net> <20110524143937.GB30117@linux-mips.org> <4DDCB1EB.4020707@landley.net> <20110527075512.GE30117@linux-mips.org> <20110527140011.GF30117@linux-mips.org>
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On 05/27/2011 09:00 AM, Ralf Baechle wrote:
> On Fri, May 27, 2011 at 08:55:13AM +0100, Ralf Baechle wrote:
> 
>>> Have you guys been able to reproduce the problem?
>>
>> Staring at the disassembly was good enough, I think.  The commit you
>> bisected is restructuring some of the hardware probing code for Malta and
>> seems to result in gcmp_present being set without _gcmp_base having been
>> assigned, thus the null pointer dereference.
> 
> Can you test below patch?  Thanks,

arch/mips/mti-malta/malta-init.c: In function 'prom_init':
arch/mips/mti-malta/malta-init.c:363: error: implicit declaration of
function 'register_cmp_smp_ops'
arch/mips/mti-malta/malta-init.c:366: error: implicit declaration of
function 'register_vsmp_smp_ops'
make[2]: *** [arch/mips/mti-malta/malta-init.o] Error 1

Rob

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