Re: [Xen-users] [REQUEST] Request for Xen Users to Attempt Jean David Techer's Xen 4.2-unstable VGA Passthrough Documentation

From: "Kristijan Lečnik" <janez3k@gmail.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: "Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@gmail.com>,
	Wei Huang <wei.huang2@amd.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Tobias Geiger <tobias.geiger@vido.info>,
	"xen-users@lists.xen.org" <xen-users@lists.xen.org>,
	Casey DeLorme <cdelorme@gmail.com>
Subject: Re: [Xen-users] [REQUEST] Request for Xen Users to Attempt Jean David Techer's Xen 4.2-unstable VGA Passthrough Documentation
Date: Sat, 31 Mar 2012 16:35:32 +0200	[thread overview]
Message-ID: <CACC+8CReA_5P8RD3+NNRf0g7VvcrSFxQ=cuYoHq5c0p1p1jvmQ@mail.gmail.com> (raw)
In-Reply-To: <20120331111926.GY12984@reaktio.net>

[-- Attachment #1.1: Type: text/plain, Size: 1754 bytes --]

Hi,

does such patch exists?
i am working on this for quite some time now, and didn't came across any
ATI patch, only for nvidia
as i understand that ATI should work out of the box or am i mistaking?

Best Regards,
Kristijan Lečnik

On Sat, Mar 31, 2012 at 1:19 PM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

> On Sat, Mar 31, 2012 at 01:06:37PM +0200, Kristijan Le??nik wrote:
> >    Hi,
> >    i was looking hard to get this thing working, and i somehow manage to
> get
> >    two ATI graphic card working under Windows 7 and Debian 6 DomU,
> >    what i learn from all this trying, that the most important thing is
> the
> >    motherboard!
> >    i had i7 860 with VT-D, but it was hard to find working VT-D
> motherboard,
> >    i try gigabyte P55-USB3 with beta bios from gigabyte and i got
> working 3D
> >    drivers for a few minutes and then the DomU would crash,
> >    then i wanted to try asus, but they said that P55 chipset doesnt
> support
> >    VT-D functions, then i look what David uses and get a MSI motherboard
> and
> >    its default bios has got VT-D to enable/disable
> >    currenty i have:
> >    i7 860
> >    MSI P55 GD85
> >    ATI H6670 - working 3D
> >    ATI H5830 - working 3D
> >    Debian 6.0, custom kernel 3.1
> >    Xen 4.2 unstable ( from repo 2. march? )
> >    Windows 7 64bit - virtual
> >    no extra patches
> >    but how i get it to work is strange, if i enable #gfx_passthru=1 then
> >    virtual machine wont start
> >
>
> gfx_passthru=1 makes the passthru gfx card primary in the VM,
> so you need the additional ATI gfx passthru patch so that the VBIOS
> passthru works.
>
> without gfx_passthru=1 the virtual emulated gfx is primary.
>
> -- Pasi
>
>

[-- Attachment #1.2: Type: text/html, Size: 2291 bytes --]

[-- Attachment #2: Type: text/plain, Size: 126 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel