Re: [Xen-devel] Intel processor model 30 for P6 class family is not supported

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 03/06/2009 01:51, "Nguyen, Daniel" <Daniel.Nguyen@xxxxxxx> wrote:

> We have installed Xen version 3.3.1 on CentOS 5.2 32-bit, which runs on a
> testbed that has the Intel Jasper Forest processor. When we perform xm dmesg,
> we get the following message:
> 
> (XEN) xenoprof: Initialization failed. Intel processor model 30 for P6 class
> family is not supported
> 
> Since this processor has not yet been released, this may explain the
> aforementioned message. But we would like to know whether this has any
> negative
> impact on Xen itself(performance, vt-d, etc.) if Xen detects an unknown
> processor model like the Jasper Forest. Or is it just informational?

It's just informational. Most CPU features are probed via CPUID. It's just
xenoprof that cares deeply about the family/model numbers.

 -- Keir



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