Re: [Xen-devel] Is my Intel HD Graphics 4600 Xen VGA Passthrough to Windows 8 Enterprise HVM domU Considered Successful?

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

On 19/07/2013 21:16, Singapore Citizen Mr. Teo En Ming (Zhang Enming) wrote:
> On 19/07/2013 20:31, Andrew Bobulsky wrote:
> > On Fri, Jul 19, 2013 at 7:37 AM, Singapore Citizen Mr. Teo En Ming
> > (Zhang Enming) <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:
> > > On 19/07/2013 19:31, Gordan Bobic wrote:
> > > > On Fri, 19 Jul 2013 19:15:39 +0800, "Singapore Citizen Mr. Teo En Ming
> > > > (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:
> > > > > On 19/07/2013 19:02, Gordan Bobic wrote:
> > > > > > On Fri, 19 Jul 2013 18:56:24 +0800, "Singapore Citizen Mr. Teo En 
> > > > > > Ming
> > > > > > (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:
> > > > > > > On 19/07/2013 18:42, Gordan Bobic wrote:
> > > > > > > > On Fri, 19 Jul 2013 18:27:07 +0800, "Singapore Citizen Mr. Teo 
> > > > > > > > En Ming
> > > > > > > > (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx> wrote:
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > My Windows 8 Enterprise HVM domU configuration is as follows. 
> > > > > > > > > I have
> > > > > > > > > to *disable* gfx_passthru, that is, gfx_passthru=0. Please 
> > > > > > > > > take note.
> > > > > > > > [...]
> > > > > > > >
> > > > > > > > > So is my Intel HD Graphics 4600 Xen VGA passthrough to Windows 8
> > > > > > > > > Enterprise HVM domU considered successful?
> > > > > > > > If it works, it's successful.
> > > > > > > >
> > > > > > > > > I cannot enable gfx_passthru, that is, gfx_passthru=1. If I 
> > > > > > > > > enable
> > > > > > > > > gfx_passthru, Windows 8 Enterprise HVM domU would start for a few
> > > > > > > > > seconds, then the LCD monitor would go into power save mode 
> > > > > > > > > (blank
> > > > > > > > > screen) *forever*.
> > > > > > > > >
> > > > > > > > > Please advise me on how I can get VGA passthrough to work with
> > > > > > > > > gfx_passthru=1.
> > > > > > > > Can you elaborate why exactly do you need to have that GPU passed
> > > > > > > > through as primary? Primary GPU passthrough has always been
> > > > > > > > problematic because domU has to re-post the card's BIOS which
> > > > > > > > has always been problematic.
> > > > > > > >
> > > > > > > > The only difference in the general case is that with 
> > > > > > > > gfx_passthru=1
> > > > > > > > you get to see the POST and boot information on the monitor
> > > > > > > > connected to the GPU. With gfx_passthry=0 you can only see this
> > > > > > > > in the VNC session connected to the virtual primary VGA card. In
> > > > > > > > the vast majority of cases seeing the POST and boot animation
> > > > > > > > isn't useful enough to be worth bothering with.
> > > > > > > >
> > > > > > > > I have a working setup with 2x Quadro cards, each passed through
> > > > > > > > as secondary (gfx_passthru=0) to different domUs, with separate
> > > > > > > > mice/keyboards passed through to each domU (multi-seat gaming
> > > > > > > > rig), and that works lovely (only limitation being 2GB of RAM
> > > > > > > > for each domU until I get around to upgrading to 4.3).
> > > > > > > >
> > > > > > > > Unless you have a very compelling reason to use gfx_passthru=1
> > > > > > > > I suggest you don't bother even trying.
> > > > > > > >
> > > > > > > > Gordan
> > > > > > > Dear Gordan,
> > > > > > >
> > > > > > > I want to use the monitor connected to Intel HD Graphics 4600
> > > > > > > directly. I don't want to use a VNC session to connect to the 
> > > > > > > Windows
> > > > > > > 8 Enterprise HVM domU.
> > > > > > >
> > > > > > > Thank you very much.
> > > > > > You only need VNC for the POST. Once Windows boots up you should be
> > > > > > be able to get all your display output on the physical screen.
> > > > > > Disable the virtual VGA interface in device manager if you have
> > > > > > to - I've found that is sometimes necessary to get the physical
> > > > > > GPU working properly.
> > > > > >
> > > > > > Gordan
> > > > > Dear Gordan,
> > > > >
> > > > > How do I disable the virtual display adapter in Windows 8 Enterprise
> > > > > HVM domU? I see nothing on the physical screen at all.
> > > > Have you tried going into your desktop/resolution settings and
> > > > extending your desktop to the physical monitor?
> > > >
> > > > Gordan
> > > >
> > > > _______________________________________________
> > > > Xen-devel mailing list
> > > > Xen-devel@xxxxxxxxxxxxx
> > > > http://lists.xen.org/xen-devel
> > > Dear Gordan,
> > >
> > > How do I do that? What are the steps? Please elaborate. Please show 
> > > me any
> > > screenshots, if any.
> > >
> > >
> > > Thank you very much.
> > >
> > > --
> > > Yours sincerely,
> > >
> > > Singapore Citizen Mr. Teo En Ming (Zhang Enming)
> > Hello Teo,
> >
> > I presume that Gordan means this: http://i.imgur.com/8OjstX4.png
> >
> > While there's probably a dozen ways to access it, most folks generally
> > right click the desktop and click "Screen Resolution."  I'm sure
> > you're aware of how to get there though :)
> >
> > Cheers,
> > Andrew
> Hi,
>
> When I tried to change the settings in "Screen Resolution", I always 
> get this error:
> http://i.imgur.com/idb6Cf4.png
>
> It seems that the Intel HD Graphics 4600 display driver may be unstable.
>
> Although I can access the settings as shown below, I can't change 
> them. And I don't know how to change them as well.
> http://i.imgur.com/YGw9MdQ.png
>
> http://i.imgur.com/5zH2edv.png
>
> If I try to change any of the settings, I will get an error similar to 
> this below.
> http://i.imgur.com/idb6Cf4.png
>
> Any advise?
Hi,

How can I achieve Xen VGA Passthrough with gfx_passthru=1 instead of 
gfx_passthru=0?

--
Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming)


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