Messages in this thread | | | Subject | RE: [discuss] Re: [PATCH] Allow all Opteron processors to change pstate at same time | Date | Wed, 12 Jul 2006 11:14:27 -0500 | From | "Langsdorf, Mark" <> |
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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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