Re: [Xen-users] Win2k8 X64 R2 HVM - Timer_mode and HPET?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, May 24, 2010 at 08:42:35AM +0100, Robert Dunkley wrote:
> Hi Pasi,
> 
> 
> Looks like there is indeed no Viridian support in 3.3.0. Do you think 
> timer_mode=2 might help? Is HPET a good idea for Server 2008 R2 X64?
>

I'm not sure.
You can try various settings, but I'd recommend you to upgrade at least to Xen 
3.4.2, or even to Xen 4.0.x.

Newest version in Xen 4.0 branch is currently 4.0.1-rc1.

-- Pasi

> 
> 
> Thanks,
> 
> Rob
> 
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx] 
> Sent: 24 May 2010 08:29
> To: Robert Dunkley
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Win2k8 X64 R2 HVM - Timer_mode and HPET?
> 
> On Mon, May 24, 2010 at 08:18:14AM +0100, Robert Dunkley wrote:
> > Hi Pasi,
> > 
> > 
> > I do not have Viridian set at all, I'm on Xen V3.3.0 so I'm not even sure 
> > if it is supported by that version (?).
> > 
> 
> Xen 3.3.0 is probably too old to run Win2008 R2 x64 HVM guest.
> 
> -- Pasi
> 
> > 
> > Thanks,
> > 
> > Rob
> > 
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx] 
> > Sent: 22 May 2010 12:31
> > To: Robert Dunkley
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] Win2k8 X64 R2 HVM - Timer_mode and HPET?
> > 
> > On Fri, May 21, 2010 at 12:11:12PM +0100, Robert Dunkley wrote:
> > > I currently have HPET=1 and timer_mode is not set. The system has 2
> > > VCPUs each pinned to a physical core, both pinned CPUs are on the same
> > > NUMA node. The dmesg log on the Dom0 has long since overflowed but I
> > > seem to remember the Dom0 detects an HPET clock too.
> > > 
> > > I'm getting some Exchange errors to do with performance of the DB giving
> > > ridiculous times, I'm also getting domain time synch errors. Seems like
> > > the problem is a timing issue but what are the correct setting for a
> > > Windows 2008 R2 X64 HVM?
> > > 
> > 
> > Do you have viridian=1 ? 
> > 
> > -- Pasi
> > 
> > 
> > The SAQ Group
> > 
> > Registered Office: 18 Chapel Street, Petersfield, Hampshire GU32 3DZ
> > SAQ is the trading name of SEMTEC Limited. Registered in England & Wales
> > Company Number: 06481952
> > 
> > http://www.saqnet.co.uk AS29219
> > 
> > SAQ Group Delivers high quality, honestly priced communication and I.T. 
> > services to UK Business.
> > 
> > Broadband : Domains : Email : Hosting : CoLo : Servers : Racks : Transit : 
> > Backups : Managed Networks : Remote Support.
> > 
> > ISPA Member
> > 
> > 
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users