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 19:37:16 +0800 Message-ID: <51E924EC.4060408@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> 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: <915c4973ab968b5dee00e6c6d5603f8b@mail.shatteredsilicon.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Gordan Bobic Cc: Ian Campbell , "Teo En Ming (Zhang Enming)" , xen-devel@lists.xen.org, xen-users@lists.xen.org, Casey DeLorme List-Id: xen-devel@lists.xenproject.org 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)