Re: Intel HD Graphics 4600 Xen VGA Passthrough to Windows 7 Ultimate HVM domU

[Gordan Bobic <gordan@bobich.net>]

 On Wed, 24 Jul 2013 20:17:13 +0800, "G.R." 
 <firemeteor@users.sourceforge.net> wrote:
> On Wed, Jul 24, 2013 at 4:59 PM, Pasi Kärkkäinen <pasik@iki.fi> 
> wrote:
>> On Sat, Jul 20, 2013 at 05:55:00PM +0800, Singapore Citizen Mr. Teo 
>> En Ming (Zhang Enming) wrote:
>>> Hi,
>>>
>>> I have just compiled and installed Xen 4.4-unstable changeset 27262
>>> and Linux kernel 3.11.0-rc1. My Windows 7 Ultimate HVM domU
>>> configuration file is as attached.
>>>
>>> I tried to passthrough the onboard Intel HD Graphics 4600 IGD to
>>> Windows 7 Ultimate HVM domU.
>>>
>>
>> <snip>
>>
>>> device_model_version="qemu-xen-traditional"
>>> name="Windows7"
>>> builder="hvm"
>>> vcpus=4
>>> memory=2048
>>>
>>
>> There was another report that >= 2GB of RAM with GPU passthru 
>> doesn't work,
>> so please try with 1GB of RAM for the HVM guest.
>>
>> Also I think there is another PCI passthru related issue in Xen 4.4 
>> at the moment,
>> so you probably should try using Xen 4.3.0 or wait for a couple of 
>> weeks for the 4.4 issue to get sorted out.
>>
>
> In my case, 2048MB works for IGD4000.
> What I'm aware is that guest memory > 3GB is known to not working.

 Which was supposed-to-be-but-isn't fixed in 4.3.0, as far
 as my testing shows. Except I see the problem with > 2GB,
 rather than > 3GB, so it may be the same bug or it could
 be a different bug with similar symptoms.

 Gordan

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