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Re: [Xen-users] Success VGA passthrough on windows 7 x64 with Xen 4.2.1-pre

On 29/09/2012 18:31, Teo En Ming (Zhang Enming) wrote:
On 28/09/2012 08:01, Mike Viau wrote:

On Thu, 27 Sep 2012 20:34:54 +0200 <imperiaonline4@xxxxxxxxx> wrote:

2012/9/27 Mike Viau <viaum@xxxxxxxxxxxxxxx>:

On Fri, 28 Sep 2012 01:29:14 +0800 <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:

Dear Dariusz Krempa,

Thank you for your prompt reply.

I don't have pci_msitranslate = 1 in my Windows HVM domU config file, so
I don't think "pci_msitranslate = 1" is the main cause of my "nasty
yellow triangle with error 43".

I once recorded that the default for the pci_msitranslate option was "1". Not having this in your configuration then is like having it set. Feel free to correct me if I am wrong. I have only gotten VGA pass-through to work with a Windows domU, never in GNU/Linux for some reason.

from change set 25525 msitranslate is 0 by deafault


Thanks for this information, it was much appreciated! I will be updating my notes accordingly.


Xen-users mailing list

Dear Dariusz Krempa,

Could you publish your xen vga passthrough configuration files, namely the windows 7 x64 HVM domU configuration file?

I have tried setting pci_msitranslate to 1 and also 0 but the nasty yellow triangle with an exclamation mark and error 43 won't go away. pci_msitranslate has no effect on my system.

Thank you very much.


I have applied Xen VGA passthrough patches from David Techer's personal website to Xen 4.2.1-pre source tree. Everything compiled and installed smoothly. But when I tried to start Windows 8 HVM domU with VGA passthrough, it gave me the following error:

xc: error: unable to allocate memory to the HVM guest. (16: device or resource busy): Internal error.

There are no issues with Xen 4.2-unstable changeset 25099 however.

Yours sincerely,

Mr. Teo En Ming (Zhang Enming)

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