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Re: [Xen-devel] Partial succes VGA passthrough Ati Radeon HD4850 on Asus

To: "Han, Weidong" <weidong.han@xxxxxxxxx>
Subject: Re: [Xen-devel] Partial succes VGA passthrough Ati Radeon HD4850 on Asus P5Q-EM DO (Q45 chipset)
From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Date: Fri, 27 Nov 2009 10:15:51 +0100
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Nope the Ati catalyst driver is not working properly, so it has fallen back to 
the basic vga driver it seems.
I was going to tryout the IGD aswell, and perhaps i haven't got an entire copy 
of the VGA bios or something like that, so I will try some more things.
I have applied all four patches your have sent in august/september (first 
version), including the pbar=vbar patch

Is there anymore news / newer version of vga passthrough patches ?

Would it be handy to eventually have the pbar=vbar as generic option in 
passthrough ?



Friday, November 27, 2009, 3:06:15 AM, you wrote:

> Did you see the driver working properly in guest winxp? Did you applied the 
> pBAR=vBAR patch? Mr. Teo En Ming (Zhang Enming) 
> [space.time.universe@xxxxxxxxx] can successfully pass-through graphics card 
> to winxp, you can search his mails for detailed steps.

> Actually, on Q45 chipset, you can pass-through the integrated graphics card 
> to winxp with my IGD-passthrough patch (sent out last month).

> Regards,
> Weidong
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Sander Eikelenboom
> Sent: Thursday, November 26, 2009 10:40 PM
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] Partial succes VGA passthrough Ati Radeon HD4850 on Asus 
> P5Q-EM DO (Q45 chipset)

> I just found some time to try vga passthrough again.
> With Han Weidong's patches from around august/september i am able to get 
> winxp to boot passing through vga.
> The videocard is not properly recognised yet, but at least basic vga support 
> is working in winxp.

> Hardware:
> - P5Q-EM DO mainbord (Q45 chipset)
> - Ati Radeon 4850 PCI-e GFX card
> - 2 GB mem
> - Q9400 processor

> Thx so far

Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx

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