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

["Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>]

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.
> > > >
> > > > -M
> > > from change set 25525 msitranslate is 0 by deafault
> > >
> > > http://xenbits.xensource.com/hg/staging/xen-unstable.hg/rev/84272cca638a?revcount=120 
> > Thanks for this information, it was much appreciated! I will be 
> > updating my notes accordingly.
> > -M
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-users
> 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.
Hi,

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)
Singapore


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