[CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

Tue Jan 26 08:42:43 UTC 2010
Pasi Kärkkäinen <pasik at iki.fi>

On Mon, Jan 25, 2010 at 09:24:41PM +0200, Manuel Wolfshant wrote:
> On 01/25/2010 07:28 PM, Pasi Kärkkäinen wrote:
> > On Sun, Jan 24, 2010 at 09:03:58PM -0500, Ryan Pugatch wrote:
> >   
> >> Pasi Kärkkäinen wrote:
> >>
> >>     
> >>> Also many people are running Windows 2003 VMs on Xen without problems.
> >>>
> >>> -- Pasi
> >>>
> >>>       
> >> My patch management and antivirus console machine is a Xen virtualized  
> >> Windows 2008 machine that doesn't have problems.  I even moved an XP VM  
> >> over to the same server as that machine just to see what happens.  The  
> >> XP machine still performed poorly.
> >>
> >>     
> >
> > Ok. The next thing to try would be to update to gitco Xen 3.4.2 rpms, 
> > but I guess you switched to ESXi already :)
> For what is worth, I had several problems with the gitco packages:
> - in xen-3.3 .0 , Java starting to consume all the processing power ( 
> the same VM with stock xen from Centos 5.2 was fine in this aspect; see 
> my thread started at 
> http://lists.centos.org/pipermail/centos-virt/2009-February/000836.html )
> - with xen-3.4.1 and 3.4.2 from gitco, an XP HVM failed to start, 
> despite working perfectly with stock Centos 5.4
> 

Ok. Did you check "xm log" for more information about the XP problem?

-- Pasi