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Date: Wed, 16 Dec 2009 12:24:11 +0530
From: Sachin Sant <sachinp@in.ibm.com>
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To: Xiaotian Feng <xtfeng@gmail.com>
Subject: Re: [Next] CPU Hotplug test failures on powerpc
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Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Linux/PPC Development <linuxppc-dev@ozlabs.org>,
	linux-next@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
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Xiaotian Feng wrote:
> On Wed, Dec 16, 2009 at 2:41 PM, Sachin Sant <sachinp@in.ibm.com> wrote:
>   
>> Xiaotian Feng wrote:
>>     
>>> Does this testcase hotplug cpu 0 off?
>>>
>>>       
>> No, i don't think so. It skips cpu0 during online/offline
>> process.
>>     
>
> Then how could this happen ? Looks like cpu 0 is offline ....
> 0:mon> <4>IRQ 17 affinity broken off cpu 0
> <4>IRQ 18 affinity broken off cpu 0
> <4>IRQ 19 affinity broken off cpu 0
> <4>IRQ 264 affinity broken off cpu 0
> <4>cpu 0 (hwid 0) Ready to die...
> <7>clockevent: decrementer mult[83126e97] shift[32] cpu[0]
>   
Sorry i was looking at only one script. Looking more closely
at the test there are 6 different sub tests. The rest of the
tests do seem to hotplug CPU 0.

Thanks
-Sachin


-- 

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