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RE: [Xen-devel] Re: system freeze when processor.ko is loaded

To: Jan Beulich <JBeulich@xxxxxxxxxx>, Martin Wilck <mwilck@xxxxxxxx>
Subject: RE: [Xen-devel] Re: system freeze when processor.ko is loaded
From: "Wang, Winston L" <winston.l.wang@xxxxxxxxx>
Date: Wed, 13 Apr 2011 11:06:42 -0700
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Cc: "Liu, Jinsong" <jinsong.liu@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, KeirFraser <keir@xxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, "Dugger, Donald D" <donald.d.dugger@xxxxxxxxx>, "Li, Xin" <xin.li@xxxxxxxxx>
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Thread-topic: [Xen-devel] Re: system freeze when processor.ko is loaded
> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxxxx]
> >>> On 12.04.11 at 19:27, "Wang, Winston L" <winston.l.wang@xxxxxxxxx>
> wrote:
> > Would you double test patch before pulling in? we need to check both
> the old
> > failed processor and the current one. And what's the power idle power
> impact.
> I'll surely test the patch on the systems I have available, but for
> the moment I'm still waiting to see whether it actually fixes the
> problem at hand.
Sounds good, I don't have the failed the processors
Martin, does Jan's patch fix the problem of your failed platform?
> As to the power idle impact - I don't think that matters here. There's
> not going to be a change on unaffected CPUs, and on affected ones
> we want them to be able to boot at all - caring of power savings is
> clearly secondary (and honestly I don't think anyone wants to waste
> cycles on improving this for the few old processors that are still out
> there and that Xen is being run on).


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