RE: [Xen-users] Windows 2000 server VM on Xen open source CPU hog?

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> Hi,
> 
> I'm running a Windows 2000 server and a Windows 2003 server as guests
on
> a Linux dom0.
> Windows 2000 server seems to hog the CPU (constant at 200%, ie. using
> two CPUs) according to xentop.
> Windows 2003 uses virtually no CPU.
> 
> Any ideas how I can fix this?
> 

What does Windows 2000 report it's CPU usage at?

Does the problem appear with only a single CPU (and preferably a UP
HAL)?

GPLPV (which doesn't work on W2K) has an option to patch windows kernels
< W2K3SP2 to improve performance. Backporting just that part might not
be a huge deal, although the problem that fixes wouldn't cause 2 cpu's
to be pegged at 100%...

James

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