linux-kernel - Re: [Next] CPU Hotplug test failures on powerpc

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Date:	Wed, 16 Dec 2009 14:45:28 +0800
From:	Xiaotian Feng <xtfeng@...il.com>
To:	Sachin Sant <sachinp@...ibm.com>
Cc:	"Linux/PPC Development" <linuxppc-dev@...abs.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>, linux-next@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [Next] CPU Hotplug test failures on powerpc

On Wed, Dec 16, 2009 at 2:41 PM, Sachin Sant <sachinp@...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]


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