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On Sat, Sep 6, 2014 at 6:50 AM, Teo En Ming <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:

Dear Gordan,

Do you mean that there is no way the problem of artifacts in Youtube videos be solved?

--
Yours sincerely,

Teo En Ming
Singapore

On 06/09/2014 14:27, Gordan Bobic wrote:

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@gmail.com> 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@gmail.com> 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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Re: [Xen-users] Successful Xen VGA Passthrough with Sapphire AMD Radeon HD 6450 Display Card