Xen project Mailing List

On Sat, Mar 31, 2012 at 12:49 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

On Thu, Mar 29, 2012 at 06:03:17PM -0500, Wei Huang wrote:
> On 03/29/2012 04:29 PM, Casey DeLorme wrote:
>
> David,
> XenServer VGA Passthrough requires a paid/licensed copy, which costs
> $2500, a bit out of my price range for experimentation. Important to
> note that the feature is not a part of the 30-day trial license.
> However, Citrix recently visited my college and I was able to preview
> hardware access on a laptop one of the employees had, where they swapped
> between Ubuntu and Windows with a hotkey, and various hardware
> components including onboard GPU and the WebCam were accessible.
> In testing XenServer, I can say that if I had a business, that's the
> product I would use. In the past month having tried Xen and ESXi, I was
> astonished with the ease of use for XenServer.
> As for Catalyst, version 12.2 (the latest currently) worked for me.
> Important to note that until I followed Andrews advice to omit the
> Catalyst Control Center, the installation resulted in a BSOD.
>
> I saw similar issue whiling playing with XenClient. After discussing with
> AMD GPU driver team, the conclusion was that the installer has a bug. But
> I have not received any further update from them. Also manual driver
> installation (after many tries) did fix problem for me.
>

Good to know the manual method works.

> The solution, select "Custom" installation and uncheck the CCC. After
> the installation your first reboot should run some follow-up updates via
> cmd, you need to reboot a second time for fully functional drivers.
> Also, I had underscan on my monitor so I went out on a limb and re-ran
> the setup for Catalyst, and was able to get CCC installed with a second
> run through, which allowed me to fix my underscan issue.
> My conclusion is that the CCC requires some driver functionality that
> isn't available until after you install the drivers, this could be on
> all systems or it might be related to how HVM's handle the PCI devices,
> that much I can't say.
> Teo,
> I could be spouting nonsense, and if so I'm sure Wei can correct me, but
> I am pretty sure AMD engineers have been contributing to Xen for a
> while, and some patches have already been applied. Obviously it isn't
> flawless, I myself haven't gotten video at boot time, only at the login
> screen.
>
> This is because VBIOS patch wasn't applied. But as I said before, my VBIOS
> wasn't universal enough to put it as a production patch. So I am hesitant
> to put it out.
>

Isn't it better than nothing? More GPU support could be added later?

-- Pasi

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