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Re: [Xen-devel] 4 Processors initialized but only one in /proc/cpuinfo

from [Ryan Harper]

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To:	Stefan Berger <stefanb@xxxxxxxxxx>
Subject:	Re: [Xen-devel] 4 Processors initialized but only one in /proc/cpuinfo
From:	Ryan Harper <ryanh@xxxxxxxxxx>
Date:	Fri, 12 May 2006 13:21:33 -0500
Cc:	xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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* Stefan Berger <stefanb@xxxxxxxxxx> [2006-05-12 13:06]:
> This is about a blade that I am using. It has 2 processors with
> hyperthreading. I see that the Xen brings up 4 processors (xm dmesg) and
> I see that domain 0 initializes 4 processors (dmesg). However, I only
> see one processor in /proc/cpuinfo. Any (obvious) configuration that I
> might have done wrong on this machine?

Try running xm vcpu-set 0 4, this should restore dom0's vcpus to 4.

The previous enforce_dom0_cpus test case didn't properly restore vcpu
availability for dom0 and when starting xend, it may have restored the
state from xenstore to dom0.


-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@xxxxxxxxxx

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