Dear Weidong, Pasi, and Xen developers,
The report from Andrew confirms my reports that Intel integrated
graphics (IGD) VGA passthrough with Xen 4.0.1 and pv-ops dom0 kernel
188.8.131.52 is unstable.
Please check the previous emails that I have sent to all of you.
Mr. Teo En Ming (Zhang Enming) 张恩鸣 Dip(Mechatronics) BEng(Hons)(Mechanical
Citizenship: Singapore Citizen/Singaporean
 Singapore Polytechnic (Graduated 1998)
 National University of Singapore (Graduated 2006)
Facebook account: Teo En Ming (Zhang Enming)
Facebook link: http://www.facebook.com/profile.php?id=100000750083982
Mobile Phone (Starhub pre-paid): +65-8369-2618
Windows Live Messenger: teoenming-at-hotmail.com
Location: Bedok Reservoir Road, Singapore
My Open Letter (Plea for Medical Help/Assistance) to World Leaders (Updated 28
Photo of Mr. Teo En Ming (Zhang Enming) 张恩鸣 of Singapore:
On 09/20/2010 04:58 PM, Andrew Warkentin wrote:
> I tried passing the integrated graphics adapter to the Windows domU,
> and the monitor goes into standby when the domU is started. If I
> enable the virtual graphics adapter, I see that Windows is
> bluescreening on boot (this only happens if the Intel graphics driver
> is installed). I suspect that the VT-d-related parts of the ACPI
> tables are broken because passthrough doesn't work properly for either
> the graphics or sound adapters (that, and Xen reports that the
> motherboard supports none of the "optional" VT-d features like DMA
> passthrough, etc.).
> On 9/17/10, "Mr. Teo En Ming (Zhang Enming) 张恩鸣 of Singapore"
> <space.time.universe@xxxxxxxxx> wrote:
>> Dear Andrew,
>> I have briefly glimpsed through the technical specifications of your
>> ASUS motherboard.
>> At present, Xen 4.0.1 only supports Intel integrated graphics (IGD) VGA
>> passthrough. Add-on PCI Express x16 graphics cards are not supported
>> yet. Patches, which are currently unavailable, have to be applied to Xen
>> 4.0.1. You may wish to passthrough your onboard VGA instead of your
>> NVIDIA GeForce GTS display card.
>> I am getting stability issues in VGA passthrough with Intel integrated
>> graphics (IGD), Xen 4.0.1, and pv-ops dom0 kernel 184.108.40.206 on my Intel
>> Desktop Board DQ45CB. Windows XP HVM domU crashes with a BSOD within 2
>> minutes after booting up.
>> Please try out Intel integrated graphics (IGD) VGA passthrough and let
>> me know whether you encounter any stability issues (Xen 4.0.1).
>> Thank you.
>> Yours sincerely,
>> Mr. Teo En Ming (Zhang Enming) 张恩鸣 Dip(Mechatronics) BEng(Hons)(Mechanical
>> Citizenship: Singapore Citizen/Singaporean
>> Facebook account: Teo En Ming (Zhang Enming)
>> Facebook link: http://www.facebook.com/profile.php?id=100000750083982
>> Facebook photos:
>> Facebook videos:
>> Mobile Phone (Starhub pre-paid): +65-8369-2618
>> Windows Live Messenger: teoenming-at-hotmail.com
>> Location: Bedok Reservoir Road, Singapore
>> ZIP: 470103
>> My Open Letter (Plea for Medical Help/Assistance) to World Leaders (Updated
>> 28 August 2010):-
>> Photo of Mr. Teo En Ming (Zhang Enming) 张恩鸣 of Singapore:
>> On 09/18/2010 12:08 PM, Andrew Warkentin wrote:
>>> I am trying to pass an eVGA GeForce GTS 250 to a Windows XP 32-bit
>>> domU. I am using an ASUS P7Q57-M DO motherboard (with the BIOS updated
>>> to the latest version) with a Core i5-660 processor. I am using the
>>> current unstable version of Debian as dom0 (kernel version
>>> 2.6.32-5-xen-amd64), with the current Debian unstable package of Xen
>>> 4.0.1. When I boot the XP domU with graphics passthrough enabled,
>>> nothing happens (the domU starts up, but all I see are the last boot
>>> messages from Xen).
>>> I also tried passing through the onboard audio adapter to Windows XP,
>>> and the driver loads and recognizes the adapter, but actually playing
>>> sounds doesn't appear to work. I am not sure if the graphics
>>> passthrough failure is related to the problem with the onboard audio
>>> (and therefore a motherboard/CPU problem), or if it has to do with the
>>> graphics card itself. I know that some NVIDIA cards require Xen
>>> patches to be passed through, but I am not sure where to find patches
>>> that will work with Xen 4.0.1 (the ones that I found were from August
>>> 2009, and I get failed hunks when I try to apply them to Xen 4.0.1).
>>> Does anybody know if there are vBAR=pBAR patches available for Xen
>>> 4.0.1 (or if they have been integrated into the current Xen
>>> development tree)? Alternatively, if this is a motherboard problem,
>>> does anybody know of any LGA1156 motherboards that definitely have
>>> working VT-d?
>>> Xen-users mailing list
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