Re: [Xen-users] Successful Xen VGA Passthrough with Sapphire AMD Radeon HD 6450 Display Card

[Gordan Bobic <gordan@xxxxxxxxxx>]

That sounds very much like the usual ATI brokenness when virtualized.

Can you confirm it doesn't happen on the first domU boot after a dom0 reboot?

On 6 Sep 2014 07:14, Teo En Ming <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:
>
> Dear Gordan, 
>
> I have just attempted rebooting Windows 8 HVM domU 3x times. The GPU 
> does not crash, there is no performance degradation and Ubuntu 14.04 LTS 
> dom0 did not crash. I am using Xen 4.4.1. 
>
> However, I have also discovered a *new* problem. When I tried to play a 
> Youtube video, there are artifacts (or short lines) in the Youtube 
> video. How can I solve this? Please refer to screenshot below. 
>
> http://i.imgur.com/bsg3yS1.jpg 
>
> Thank you very much. 
>
> -- 
> Yours sincerely, 
>
> Teo En Ming 
> Singapore 
>
>
> On 06/09/2014 02:50, Gordan Bobic wrote: 
> > Does rebooting domU with ATI GPUs still result in GPU crashes, degraded 
> > performance and sometimes complete dom0 crashes? Are you using a stack that 
> > implements bus resets to reset the device? 
> > 
> > On 5 Sep 2014 20:22, Teo En Ming <singapore.mr.teo.en.ming@xxxxxxxxx> 
> > wrote: 
> >> On 04/09/2014 13:29, Teo En Ming wrote: 
> >>> Hi, 
> >>> 
> >>> I would like to report successful Xen VGA Passthrough with Sapphire 
> >>> AMD Radeon HD 6450 display card. 
> >>> 
> >>> Details are as follows: 
> >>> 
> >>> Host operating system dom0: Ubuntu 14.04 LTS 
> >>> Linux kernel: self-compiled 3.16.1 
> >>> Xen hypervisor: self-compiled 4.4.1 
> >>> Guest operating system domU: Windows 7 Ultimate HVM domU 
> >>> Sapphire AMD Radeon HD 6450 Driver DVD: INSTALLED 
> >>> 
> >>> Please refer to the attached file amd.txt for installation details. I 
> >>> will write a more detailed installation guide later on. Stay tuned. 
> >>> 
> >>> Also please refer to attached screenshot showing that AMD RADEON HD 
> >>> 6450 in Display Manager DOES NOT have error code 43. There is NO 
> >>> yellow exclamation mark beside the AMD Radeon HD 6450 in Display 
> >>> Manager. Xen VGA Passthrough is fully successful. 
> >>> 
> >>> Screenshot URL: 
> >>> 
> >>> http://i.imgur.com/y2tsNsH.jpg 
> >>> 
> >>> I would like to report that Xen VGA Passthrough with Windows 8 HVM 
> >>> domU is NOT successful. Although Windows 8 HVM domU can boot up 
> >>> successfully initially with successful VGA passthrough, it 
> >>> SUBSEQUENTLY keeps rebooting forever whenever I tried to start Windows 
> >>> 8 HVM domU. 
> >>> 
> >>> Currently I have a problem. Although I passed through the USB 
> >>> controllers, the USB keyboard and USB mouse is not working. I need to 
> >>> open a VNC Viewer to Windows 7 HVM domU and control the USB mouse from 
> >>> within the VNC Viewer. This is not ideal. Please help me with this 
> >>> problem so that I can use the USB mouse and USB keyboard directly 
> >>> within Windows 7 HVM domU. 
> >>> 
> >>> Thank you very much. 
> >>> 
> >>> Yours sincerely, 
> >>> 
> >>> Teo En Ming 
> >> Hi, 
> >> 
> >> I would like to report that I have solved the infinite rebooting problem 
> >> with Windows 8 HVM domU. I have re-installed Windows 8 HVM domU from 
> >> scratch. I can now say that Xen VGA Passthrough with Sapphire AMD Radeon 
> >> HD 6450 display card is successful with Windows 8 HVM domU. 
> >> 
> >> Please refer to attached PDF installation guide for more details. 
> >> 
> >> Thank you very much. 
> >> 
> >> -- 
> >> Yours sincerely, 
> >> 
> >> Teo En Ming 
> >> Singapore 
> >> 
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> > 
>
>
>
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