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Re: [Xen-devel] Xen 4.0.0 first release candidate / graphics passthru

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 4.0.0 first release candidate / graphics passthru
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 21 Jan 2010 10:54:07 +0200
Cc: weidong.han@xxxxxxxxx, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Mr. Teo En Ming \(Zhang Enming\)" <space.time.universe@xxxxxxxxx>
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On Tue, Jan 12, 2010 at 10:05:12AM +0000, Keir Fraser wrote:
> On 12/01/2010 09:32, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:
> 
> >>> Does 4.0 include gpu passthru features? If not are there any updated
> >>> patches to try gpu passthru with 4.x?
> >> 
> >> There is support (c/s 20144).
> >> 
> > 
> > Btw is it possible now to specify a file to load the VGA bios from?
> > earlier it was required to hardcode it into some header file or so.
> 
> I think it is hardcoded that qemu will take a copy of the host system's BIOS
> (i.e., for the primary host VGA). Other options would be easy to implement
> I'm sure, if someone's interested.
> 

I was just looking at same older mails, and it seems for example Teo En Ming
and others who got Xen VGA passthrough working had to copy the vgabios-pt.bin
to tools/firmware/vgabios/ before building Xen.

That's not very practical..

-- Pasi


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