RE: [Xen-users] SMP support in Windows domU

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Daniel Bareiro
> Sent: 19 April 2007 14:58
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] SMP support in Windows domU
> 
> On Thursday, 19 April 2007 11:30:33 +0200,
> Petersson, Mats wrote:
> 
> > > I'm trying to create a Windows domU setting vcpu=2 and 
> cpus= "0,2",
> > > but xm vcpu-list show the second vcpu in paused state all 
> the time.
> > > Is it necessary to use any additional parameter?
>  
> > That should work if you have a modern enough Xen-version. 
> Most likely,
> > you're using 3.0.3, which doesn't support SMP guests very 
> well (it can
> > be done, but it requires a bunch of hand-patching hvmloader 
> and such,
> > as it's not dynamically building the ACPI tables). 
> 
> Yes. I'm using Xen 3.0.3 from Debian stable repositories. Should I
> install 3.0.4? I'm using 3.0.2 in a productive environment with
> GNU/Linux SMP guests and these works fine, but this guests works in
> paravirtualized mode. Maybe the problem with SMP support is on full
> virtualization mode.

Yes, exactly, the HVM-support for SMP is not yet in 3.0.3 - PV-guests
had SMP-support in 3.0.0, I believe. 

--
Mats
> 
> Thanks for speedy reply.
> 
> Regards,
> Daniel
> -- 
> Daniel Bareiro - System Administrator
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