Re: [Xen-users] [SUCCESS] Xen 4.2-unstable Changeset 25099: VGA Passthrough to Windows 8 Consumer Preview HVM domU

["Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@gmail.com>]

On 26/03/2012 23:49, Pasi Kärkkäinen wrote:
> On Mon, Mar 26, 2012 at 11:00:51PM +0800, Teo En Ming (Zhang Enming) wrote:
>> On 26/03/2012 22:15, Martin Wolf wrote:
>>> Am 26.03.2012 14:40, schrieb Teo En Ming (Zhang Enming):
>>>> On 26/03/2012 20:23, Pavel Mateja wrote:
>>>>>> On 26/03/2012 17:15, Pavel Mateja wrote:
>>>>>>>> Dear Xen users, developers and David Techer,
>>>>>>>>
>>>>>>>> I have just downloaded, compiled, and installed Xen 4.2-unstable
>>>>>>>> Changeset *_25099_* with Xen VGA Passthrough patches. Xen VGA
>>>>>>>> Passthrough to Windows 8 Consumer Preview HVM domU is
>>>>>>>> successful. Or I
>>>>>>>> should say *PARTIALLY* successful. Why? Please see the screenshots
>>>>>>>> below.
>>>>>>> Hi,
>>>>>>> which CPU do you have? Intel E6300?
>>>>>>> Did you notice that CPU doesn't support VT-d?
>>>>>> Dear Pavel Mateja,
>>>>>>
>>>>>> My CPU is Intel Pentium Dual Core E6300 2.8 GHz which supports Intel
>>>>>> Virtualization Technology, i.e. VT-x, not VT-d.
>>>>>>
>>>>>> BUT, my Intel DQ45CB desktop motherboard supports Intel VT-d. The
>>>>>> motherboard BIOS also has VT-d option.
>>>>>>
>>>>>> Thank you very much.
>>>>> Hi again,
>>>>> I'm affraid you have to cross-reference
>
>>>>> http://processormatch.intel.com/CompDB/SearchResult.aspx?BoardName=DQ45CB
>>>>>
>>>>>
>>>>> and
>>>>> http://ark.intel.com/search/advanced?VTD=true
>>>> Dear Pavel Mateja,
>>>>
>>>> I can confirm my Intel Pentium Dual Core E6300 2.8 GHz supports VT-x
>>>> and my Intel DQ45CB desktop board and motherboard BIOS supports VT-d.
>>>> Would you like to have a photo screenshot of the motherboard BIOS
>>>> showing the VT-d option? This is concrete evidence showing that my
>>>> hardware configuration supports VT-d. I can even post a video if you
>>>> want it.
>>>>
>>>> Thank you very much.
>>>>
>>> afaik the vt-d support was in the chipset for the core2duo / quad
>>> series and was moved to the cpu since the core "i" series. so i guess
>>> he is right.
>>>
>> Oh I see.
>>
> Also you can verify the VT-d IOMMU support from Xen dmesg:
> http://wiki.xen.org/wiki/Xen_Common_Problems#How_can_I_check_if_my_hardware_has_an_IOMMU_.28VT-d.29_and_it.27s_enabled_and_supported.3F
>
> -- Pasi
>
>

Pasi,

Thank you for the link.

-- 
Yours sincerely,

Mr. Teo En Ming (Zhang Enming)
Singapore