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Re: [Xen-devel] Dear Ren Yongjie

On 01/08/2013 15:28, Ren, Yongjie wrote:
-----Original Message-----
From: Singapore Citizen Mr. Teo En Ming (Zhang Enming)
Sent: Thursday, August 01, 2013 5:25 AM
To: Ren, Yongjie; xen-users@xxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxx; Teo En
Ming (Zhang Enming)
Subject: Dear Ren Yongjie

Hi Yongjie,

I have just compiled and installed Xen 4.3-unstable changeset 26666 and
Linux kernel 3.8.1, according to your specifications. However, I still
cannot get success with Intel HD Graphics 4600 IGD VGA passthrough.

Although in Device Manager in Windows 7 HVM domU, it says "This device
is working properly" for Intel HD Graphics 4600, I can only get 16
colors. Please refer to the following screenshots.




I have attached the relevant configuration files in this email. Please
check to see if there are any mistakes.

Output of sudo xl dmesg: http://pastebin.com/knN7Hdg6

Output of dmesg: http://pastebin.com/ixPuUnni

Output of sudo xl info: http://pastebin.com/JRuqi3ay

Output of sudo lspci -vvv: http://pastebin.com/YnL0zSBW

Please advise. I really hope to be able to make Intel HD Graphics 4600
IGD VGA passthrough work successfully.

Hi Enming,
I can't reproduce your issue even if I use your Dom0 and guest config.
So, can you can try the following two:
1. use upstream Xen/Dom0 to try since that also works for me.

Dear Yongjie,

What do you mean by upstream Xen/Dom0? I don't understand.

2. try other HSW CPU (e.g. Core i5-4670 which works for me)

I am sorry but it is out of budget for me. I can't buy another cpu to test vga passthrough.

Best Regards,
      Yongjie (Jay)

By the way, what distro and version are you using for your dom0? Is it Ubuntu, Debian, Mint or Fedora?

Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming)

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