[Xen-users] Re: [Xen-devel] Xen VGA graphics passthru wiki page

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Hmm from what i read before, the 890 series should all have a iommu.
But reading the wiki and 
http://www.amdzone.com/phpbb3/viewtopic.php?f=52&t=137489&p=178270 leaves me in 
doubt now :(
Seems it's only the server variants of the chipset.

--
Sander


Friday, March 19, 2010, 11:15:07 AM, you wrote:

> Pasi Kärkkäinen wrote:
>> On Wed, Mar 17, 2010 at 06:59:59PM +0300, Sergey Tovpeko wrote:
>>   
>>> In fact, we got an engineer sample sometime ago with RD890 chipset
>>>
>>> lspci output:
>>>
>>> 00:00.0 Host bridge: ATI Technologies Inc RD890 Northbridge only dual  
>>> slot (2x16) PCI-e GFX Hydra part (rev 02)
>>>
>>> And i tested VGA passthrough on RD890, not on SR5690/SR5670.  And it has  
>>> IOMMU inside.
>>>
>>>     
>>
>> Now I'm confused.. so SR5690/SR5670 wasn't tested after all? 
>>   
> Hello, Pasi!

> As wikipedia says (http://en.wikipedia.org/wiki/AMD_800_chipset_series) :
> The codenames of the chipsets "RD890S", "RD870S" and "SB700S" has also 
> changed to "SR5690", "SR5670" and "SP5100 
> <http://en.wikipedia.org/wiki/AMD_700_chipset_series#SP5100>".^
> <http://en.wikipedia.org/wiki/AMD_800_chipset_series#cite_note-2>
> Seems, that RD890 and SR5690 are the same chipset with different codenames.







>>>> Hello Pasi,
>>>>
>>>> It should have an iommu, but the mobo's are just on the market, haven't 
>>>> tested it myself.
>>>>
>>>> --
>>>> Sander
>>>>
>>>> Wednesday, March 17, 2010, 3:02:31 PM, you wrote:
>>>>
>>>>   
>>>>       
>>>>> On Wed, Mar 17, 2010 at 11:47:22AM +0100, Sander Eikelenboom wrote:
>>>>>     
>>>>>         
>>>>>> Hello Sergey,
>>>>>>
>>>>>> Ah if i look at the spec sheets it's not a RD-890 chipset, but a opteron 
>>>>>> server chipset.
>>>>>>
>>>>>>       
>>>>>>           
>>>>   
>>>>       
>>>>> So is RD-890 still ok, aka it has IOMMU support? Has anyone tested it 
>>>>> with Xen? Should I remove RD-890 from the wiki pages?
>>>>>     
>>>>>         
>>>>   
>>>>       
>>>>>> http://www.tyan.com/datasheets/d_S8212.pdf
>>>>>>
>>>>>> Chipset:
>>>>>> AMD SR5690 + SP5100 (S8212WGM3NR/S8212GM3NR)
>>>>>> AMD SR5670 + SP5100 (S8212GM3NRLE/S8212GM3NR-LE))
>>>>>>
>>>>>> Nevertheless good to hear vga passthrough works for you.
>>>>>>
>>>>>>       
>>>>>>           
>>>>   
>>>>       
>>>>> Ok so I should add this one.. which one of the various models above 
>>>>> is your mb?     
>>>>>         
>>>>   
>>>>       
>>>>> -- Pasi
>>>>>     
>>>>>         
>>>>   
>>>>       
>>>>>> --
>>>>>>
>>>>>> Sander
>>>>>>
>>>>>>
>>>>>>
>>>>>> Wednesday, March 17, 2010, 11:33:21 AM, you wrote:
>>>>>>
>>>>>>       
>>>>>>           
>>>>>>> Hello, Sander,
>>>>>>>         
>>>>>>>             
>>>>>>>> Sergey, what specific brand/type mobo do you use ?
>>>>>>>>
>>>>>>>>             
>>>>>>>>               
>>>>>>> The motherboard is TYAN s8212.
>>>>>>>         
>>>>>>>             
>>>>>> -- 
>>>>>> Best regards,
>>>>>>  Sander                            mailto:linux@xxxxxxxxxxxxxx
>>>>>>
>>>>>>       
>>>>>>           
>>>>
>>>>   
>>>>       




-- 
Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx


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