Re: [OOPS] hotplugging cpus via /sys/devices/system/cpu/

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Ashok Raj wrote:
> On Fri, Sep 09, 2005 at 01:41:58PM -0700, Christopher Beppler wrote:
> 
>>   [1.] One line summary of the problem:
>>   If I deactivate a CPU with /sys/devices/system/cpux and try to
>>   reactivate it, then the CPU doesn't start and the kernel prints out an
>>   oops.
>>
> 
> 
> Could you try this on 2.6.13-mm2? If this is due to a sending broadcast
> IPI related issue that should fix the problem.

No... the oops occurs furthermore...

> I should say i didnt try i386 in a while
> but i suspect some of the recent suspend/resume code required some
> modifications to the i386 hotplug code which might be getting in the way
> if you just try logical cpu hotplug alone without using it for suspend/resume.
> 
> Shaohua might know more about the status.
> 
> Cheers,
> ashok
> 
> 

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