From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: Ubuntu 10.04 stuck in detect_extended_topology()
Date: Wed, 09 Jun 2010 17:54:03 -0700
Message-ID: <4C1037AB.2000209@goop.org>
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To: AP Xen <apxeng@gmail.com>
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On 06/09/2010 05:29 PM, AP Xen wrote:
> The host cpu type is "Intel(R) Xeon(R) CPU E5520  @ 2.27GHz" (x86_64).
>
> What should I specify in "cpuid=" in the config file? I tried the following:
>
> cpuid = [ '0xb:ebx=xxxxxxxxxxxxxxxx0000000000000000' ]
>
> Is that correct?
>   

Yes, or you could set 0:eax to some low number to just completely
disable the whole leaf.


> However, it did not have any effect. I do not see any mention of it in
> xend.log. Maybe the version of Xen packaged with CentOS 5.4 not support the
> cpuid config option.
>   

If not, I'd file a bug against RHEL Xen.

    J