Re: [Xen-users] Intel VT-d Support

[Igor Chubin <igor@xxxxxxx>]

On Mi, Mär 05, 2008 at 12:00:06 +0100, Stephan Seitz wrote:
> Igor Chubin schrieb:
>>
>> Hello all, 
>>
>>
>> please tell me, how can I be sure that my Xen installation is built 
>> with Intel VT-d support?
>>
>> Something like 
>>
>> xm info | grep -i KEY-REGULAR-EXPRESSION
>> xm dmesg | grep -i KEY-REGULAR-EXPRESSION
>>
>>
>> What line I should look for?
>>
>> And if it's really built with it, how can I be sure, that Xen has 
>> successfully initialized VT-d hardware?
>
> As far as I know, xm dmesg should show this, but I didn't find any vt-d 
> enabled hardware by now.
> If you're hardware supports vt-d could you please post the model and vendor?
>
>


xm dmesg output does not change when I switch VT-d off in BIOS.
I can't find any information related to VT-d at all.
Any clues?


I use HP Compac dc7800 [1] fom my experiments.
I know that this hw (hw with VT-d support) is very rare, 
so as far I can touch it now with my own hands, I want to try VT-d on it.


[1] 
http://h10010.www1.hp.com/wwpc/us/en/sm/WF06a/12454-12454-64287-321860-3328898-3459241.htm




>
>> I have read [1] and the lists archives and found no answers for my 
>> question.
>>
>>
>>
>> Thank you in advance.
>>
>>
>>
>> [1] http://wiki.xensource.com/xenwiki/VTdHowTo
>>
>
>
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