[CentOS] Xen cpu requirements

Mon Jul 19 09:38:04 UTC 2010
Pasi Kärkkäinen <pasik at iki.fi>

On Wed, Jul 14, 2010 at 02:12:52PM -0500, David Dyer-Bennet wrote:
> On Wed, July 14, 2010 14:09, Brian Mathis wrote:
> > Are you checking the stats from inside the dom0 or a domU?  What's the
> > output of 'uname -a'?
> In dom0; I haven't gone ahead creating domUs yet, until I'm sure I've got
> the dom0 right.
> [localddb at prcapp00 ~]$ uname -a
> Linux prcapp00.pinerivercapital.local 2.6.18-194.8.1.el5.centos.plusxen #1
> SMP Wed Jul 7 12:25:41 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
> I ran a yum update after installing from the DVDs I had from a week or two
> ago, and have rebooted since that update (there wasn't a new kernel in the
> update).

Please run "xm info". Do you see "hvm" entries in the caps? 
Also please run "xm dmesg" and search for HVM and/or VMX.

Dom0 Linux doesn't see VMX flag because Xen hypervisor (xen.gz) is using it..

-- Pasi