From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Singapore Citizen Mr. Teo En Ming (Zhang Enming)" Subject: Re: Is my Intel HD Graphics 4600 Xen VGA Passthrough to Windows 8 Enterprise HVM domU Considered Successful? Date: Fri, 19 Jul 2013 22:19:26 +0800 Message-ID: <51E94AEE.1060608@gmail.com> References: <51E9147B.6040900@gmail.com> <0ed0b02c1eead0180776fe9e87cba74f@mail.shatteredsilicon.net> <51E91B58.1000603@gmail.com> <4df1f482ad445fa0c77e12f2daeda808@mail.shatteredsilicon.net> <51E91FDB.8050104@gmail.com> <915c4973ab968b5dee00e6c6d5603f8b@mail.shatteredsilicon.net> <51E924EC.4060408@gmail.com> <51E93C27.1040203@gmail.com> Reply-To: singapore.mr.teo.en.ming@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <51E93C27.1040203@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org Cc: Ian Campbell , "Teo En Ming (Zhang Enming)" , xen-devel@lists.xen.org, Andrew Bobulsky , Gordan Bobic , xen-users@lists.xen.org, Casey DeLorme List-Id: xen-devel@lists.xenproject.org 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) 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)" 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)" 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)" 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@lists.xen.org >>>> 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)