Re: [Xen-users] VT-d not working

[Chris <tknchris@xxxxxxxxx>]

Vt-d is different than vt, there should be a bios option similar to  
"directed io for vt" or something like that.
Sent from my iPhone

On Feb 19, 2010, at 3:00 PM, Christian Holpert <christian@xxxxxxxxxx>  
wrote:
> Hi,
>
> thanks for your Reply.
>
> The CPU does support VT-d.
>
> In Bios VT is enabled: Miscellaneous Settings -> Virtualization  
> Technology -> Enabled
> Actually the reason I am asking here is the missing hvm-directio in  
> xm info.
> Christian
>
>
> At 19:51 19.02.2010, you wrote:
> > Your xen_caps shows its not enabled or not detected. When it is  
> > working you will see a capability called hvm-directio. You will  
> > need set something in bios to enable this and vendors like  
> > gigabyte, msi, etc are known to have iffy support for vt-d if at  
> > any. Best boards in my experience for vt-d have been intel and a  
> > couple asus boards have worked as well. You should also check <http://ark.intel.com 
> > >ark.intel.com to verify your cpu does in fact support vt-d, there  
> > needs to be support in both the motherboard and cpu.
> > - chris
> --
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