From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= 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 13:49:07 +0300 Message-ID: <20120331104907.GV12984@reaktio.net> References: <4F7334D9.2020700@gmail.com> <4F73C718.9020905@gmail.com> <4F7484C0.2060009@gmail.com> <4F74AB69.4080507@gmail.com> <4F74C205.9070104@amd.com> <4F74EA35.4030305@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4F74EA35.4030305@amd.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Wei Huang Cc: "xen-users@lists.xen.org" , Casey DeLorme , "Teo En Ming (Zhang Enming)" , Tobias Geiger , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org 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