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

[chris <tknchris@xxxxxxxxx>]

>From what you described, you do not have the proper bios option to
enable vt-d. You can try checking for a bios update that may have the
ability, but vendors like those are usually not a good bet.

- chris

On Sun, Feb 21, 2010 at 4:26 AM, Christian Holpert <christian@xxxxxxxxxx> wrote:
> Hi,
>
> At 21:48 19.02.2010, you wrote:
>>
>> Any particular reason you need VT-d?
>
> I'd like to pass a pci-device to a winXP-domU. AFAIK VT-d is necessary for
> that.
>
>> Which hardware are you going to pass-through to your VM's?
>
> I did have a lot of IRQ-problems passing a Fritz!Card PCI for vbox3 and
> isdnlog to a domU running xen-sources-2.6.31-r10. Downgrading to 2.6.18-r12
> I finally got it working with fcpci yesterday.
>
>> VT-d is only needed if you're doing directed IO to VM's.
>
> If I cant't get the pci-card to work with the winXP-domU I'll try the
> USB-Version of that card. If I understood that correctly, USB passthrough
> should work without VT-d.
>
> Thanks for your answer,
> Christian
>
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