RE: AW: Re: [Xen-devel] ACPI problem, was Xen BUG in mm / Xen 4.0.1 with 2.6.32.18/21 pvops Kernel?

["Yu, Ke" <ke.yu@xxxxxxxxx>]

CC  Winston, who has is working on the Xen ACPI stuff.

Regards
Ke

> -----Original Message-----
> From: Jeremy Fitzhardinge [mailto:jeremy@xxxxxxxx]
> Sent: Wednesday, September 15, 2010 6:05 AM
> To: Carsten Schiers
> Cc: JBeulich; xen-devel; Yu, Ke; Jiang, Yunhong
> Subject: Re: AW: Re: [Xen-devel] ACPI problem, was Xen BUG in mm / Xen
> 4.0.1 with 2.6.32.18/21 pvops Kernel?
> 
>  On 09/14/2010 02:19 PM, Carsten Schiers wrote:
> >> But in any case - the root cause is broken firmware.
> > Getting deeper into it. The faulty entries seems not to be the CPUxCST,
> > but CPUxIST
> > for CPU2 and up. For a reason I don't know, native booting the kernel
> > doesn't run
> > into this issue. I have managed to get a veeeeery detailed ACPI debug
> > output now
> > from the Xen/Dom0 kernel, will try to do the same with native booted
> > Kernel tomorrow.
> >
> > I know already that the natively booting kernel will also run through 4
> > CPUs, even
> > though my CPU has only 2 cores. So it must be something different. There
> > is special
> > code in the acpi driver section for xen in the pvops kernel...
> >
> > Jeremy, did you do it? Who could possibly help? I am not a real
> > specialist...
> >
> > Did not attached the log, in case anybody is interested...it's 31MB.
> 
> I'm not really an expert on ACPI at all.  I've cc:d some of the Intel
> folks who've been very helpful in contributing ACPI changes.
> 
>     J


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