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SubjectRE: [discuss] Re: [PATCH] Allow all Opteron processors to change pstate at same time
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> > Here are the further findings after letting the machine 
> toggle between
> > 1GHz and 2.2Ghz every two seconds for roughly 24 hours.
> Unfortunately
> > there is an oops after bringing CPU2 online and CPU3 will not come
> > online. Still the differences in TSC are not bad:
>
> Can I get more information on how to reproduce the Oops?
> Kernel version?
> .config? your hardware?
>
> I have run basic set of CPU Hotplug on/offline tests, and I could not
> reproduce it..

There's probably something in my patch that is causing it.
Are you testing with that?

Joachim -

Have you had a chance to measure TSC drift without
PN? I'd like to know if the patch is making the problem
worse or not.

-Mark Langsdorf
AMD, Inc.


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