linux-kernel - Re: 2.6.34-rc2: cpu hotplug test failure on x86

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Message-ID: <4BA5CF44.5000102@in.ibm.com>
Date:	Sun, 21 Mar 2010 13:18:20 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: 2.6.34-rc2: cpu hotplug test failure on x86_64

Rafael J. Wysocki wrote:
> On Saturday 20 March 2010, Peter Zijlstra wrote:
>   
>> On Sat, 2010-03-20 at 22:47 +0530, Sachin Sant wrote:
>>     
>>> Running cpu hotplug tests on a x86_64 box results in
>>> the following BUG.
>>>
>>> BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
>>> IP: [<ffffffff81037388>] amd_pmu_cpu_offline+0x38/0x67
>>>       
>> I guess something like the below might work.
>>     
>
> Not really.  Sachin, please try this patch instead:
> https://patchwork.kernel.org/patch/87189/
>   
Works for me. Thanks Rafael.

Regards
-Sachin

-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------

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