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AW: Re: [Xen-users] What is necessary for AMD IOMMU support

Thank you all folks. So the plan is:

  - try Xen 4.0 (like to do that anyway) and check whether HW IOMMU 
shows up (not very probable)
  - use IOMMU=soft instead, which results in the same functionality


-----Ursprüngliche Nachricht-----
Von: Pasi Kärkkäinen [mailto:pasik@xxxxxx] 
Gesendet: Mittwoch, 31. März 2010 17:48
An: Carsten Schiers
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: Re: [Xen-users] What is necessary for AMD IOMMU support

On Wed, Mar 31, 2010 at 02:35:44PM +0200, Carsten Schiers wrote:
> Hi,
> I was just wondering, what exactly is necessary to use IOMMU with AMD 
CPUs. From what
> CPU family it's on the chip and are other things necessary, like a 
certain chipset on 
> the motherboard?
> I own a Gigabyte GA-M56S-S3 board and AMD 4050e CPU. I can 
enable/disable virtualization
> in the BIOS. Will that be enough to switch on IOMMU and run a non-PV 

Please check this wiki page:

It should have more information for you.

-- Pasi

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