Re: [discuss] Re: [PATCH] Allow all Opteron processors to change pstate at same time

From: Pavel Machek
Date: Thu Jul 13 2006 - 09:04:35 EST


Hi!

> > 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..

Can you run two such tests *in parallel*? That seemed to break it
really quickly.

Pavel
--
Thanks for all the (sleeping) penguins.
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