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Re: [Xen-users] VGA passthrough problems with GeForce GTS 250 and P7Q57-

To: space.time.universe@xxxxxxxxx
Subject: Re: [Xen-users] VGA passthrough problems with GeForce GTS 250 and P7Q57-M DO (also: LGA1156 boards with working VT-d)
From: Andrew Warkentin <andreww591@xxxxxxxxx>
Date: Mon, 20 Sep 2010 02:58:01 -0600
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx, "teoenming@xxxxxxxxxxx" <teoenming@xxxxxxxxxxx>, zhang_enming@xxxxxxxxxxx
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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.
> http://www.asus.com/product.aspx?P_ID=XSm0g8qR5qb7UN30
> 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 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
> Engineering)
> Citizenship: Singapore Citizen/Singaporean
> Facebook account: Teo En Ming (Zhang Enming)
> Facebook link: http://www.facebook.com/profile.php?id=100000750083982
> Facebook photos:
> http://www.facebook.com/profile.php?id=100000750083982#!/profile.php?id=100000750083982&v=photos
> Facebook videos:
> http://www.facebook.com/profile.php?id=100000750083982&v=app_2392950137
> 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):-
> http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-August/007811.html
> http://mythtv.org/pipermail/mythtv-users/2010-August/295952.html
> http://archives.gentoo.org/gentoo-user/msg_f6a341d9623fda17880159b137c07335.xml
> Photo of Mr. Teo En Ming (Zhang Enming) 张恩鸣 of Singapore:
> http://img543.imageshack.us/img543/5052/mrteoenmingzhangenmingo.jpg
> 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
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users

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