RE: [discuss] Re: [PATCH] Allow all Opteron processors tochange pstate at same time

[Langsdorf, Mark]

> > 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.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/