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

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Message-ID: <6453C3CB8E2B3646B0D020C112613273C5AC7B@sausexmb4.amd.com>
Date:	Mon, 18 Aug 2008 08:11:32 -0500
From:	"Langsdorf, Mark" <mark.langsdorf@....com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	"Andi Kleen" <andi@...stfloor.org>, <linux-kernel@...r.kernel.org>,
	"Greg KH" <greg@...ah.com>, "Ingo Molnar" <mingo@...e.hu>,
	"Andrew Morton" <akpm@...ux-foundation.org>
Subject: RE: Warning in during hotplug on 2.6.27-rc2-git5

> > > 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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