RE: Warning in during hotplug on 2.6.27-rc2-git5

[Langsdorf, Mark]

> > > The only way I could see that happening if CPU_DEAD/CPU_ONLINE
> > > is not properly balanced.
> > 
> > I'm still seeing it on 2.6.27-rc2, even with the 
> > patch here http://lkml.org/lkml/2008/7/30/171 and the
> > wbinvd_halt code patch applied.  Maybe something else
> > broke in some of the recent hotplug changes?
> 
> Mark, have you tried to test with commit 
> 34ae7f35a21694aa5cb8829dc5142c39d73d6ba0
> (your "preregister support for powernow-k8" patch) reverted 
> and MCE enabled?

Yes, it's a failure on a clean 2.6.27-rc2 installation.

-Mark Langsdorf
Operating System Research Center
AMD

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