Re: [Xen-users] [REQUEST] Request for Xen Users to Attempt Jean David Techer's Xen 4.2-unstable VGA Passthrough Documentation

[Wei Huang <wei.huang2@amd.com>]

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On 03/29/2012 11:55 PM, Teo En Ming (Zhang Enming) wrote:
> On 30/03/2012 07:03, Wei Huang wrote:
>> On 03/29/2012 04:29 PM, Casey DeLorme wrote:
>>> David,
>>>
>>> XenServer VGA Passthrough requires a paid/licensed copy, which costs 
>>> $2500, a bit out of my price range for experimentation.  Important 
>>> to note that the feature is not a part of the 30-day trial license.
>>>
>>> However, Citrix recently visited my college and I was able to 
>>> preview hardware access on a laptop one of the employees had, where 
>>> they swapped between Ubuntu and Windows with a hotkey, and various 
>>> hardware components including onboard GPU and the WebCam were 
>>> accessible.
>>>
>>> In testing XenServer, I can say that if I had a business, that's the 
>>> product I would use.  In the past month having tried Xen and ESXi, I 
>>> was astonished with the ease of use for XenServer.
>>>
>>> As for Catalyst, version 12.2 (the latest currently) worked for me.
>>>
>>> Important to note that until I followed Andrews advice to omit the 
>>> Catalyst Control Center, the installation resulted in a BSOD.
>> I saw similar issue whiling playing with XenClient. After discussing 
>> with AMD GPU driver team, the conclusion was that the installer has a 
>> bug. But I have not received any further update from them. Also 
>> manual driver installation (after many tries) did fix problem for me.
>>>
>>> The solution, select "Custom" installation and uncheck the CCC. 
>>>  After the installation your first reboot should run some follow-up 
>>> updates via cmd, you need to reboot a second time for fully 
>>> functional drivers.
>>>
>>> Also, I had underscan on my monitor so I went out on a limb and 
>>> re-ran the setup for Catalyst, and was able to get CCC installed 
>>> with a second run through, which allowed me to fix my underscan issue.
>>>
>>> My conclusion is that the CCC requires some driver functionality 
>>> that isn't available until after you install the drivers, this could 
>>> be on all systems or it might be related to how HVM's handle the PCI 
>>> devices, that much I can't say.
>>>
>>>
>>>
>>> Teo,
>>>
>>> I could be spouting nonsense, and if so I'm sure Wei can correct me, 
>>> but I am pretty sure AMD engineers have been contributing to Xen for 
>>> a while, and some patches have already been applied.  Obviously it 
>>> isn't flawless, I myself haven't gotten video at boot time, only at 
>>> the login screen.
>>>
>> This is because VBIOS patch wasn't applied. But as I said before, my 
>> VBIOS wasn't universal enough to put it as a production patch. So I 
>> am hesitant to put it out.
>
> Dear Wei Huang at AMD Corporation,
>
> Please put your Xen VGA Passthrough patch out so that all of us can 
> have a try.
>
> Thank you very much.
>
http://old-list-archives.xen.org/archives/html/xen-devel/2010-10/msg00284.html
> -- 
> Yours sincerely,
>
> Mr. Teo En Ming (Zhang Enming)
> Singapore
>
>>> Mine works on 4.1.2, but it is possible that 4.1.0 had less of these 
>>> "patches" hence Sebastien's post.
>>>
>>> Also, I apologize as I did not properly word my opinion before.  VGA 
>>> Passthrough is new "for consumer components".  In 2010 the number of 
>>> desktop (not server) boards boasting VT-d functionality could 
>>> probably be counted on one hand.  To my understanding that means the 
>>> technology is at most 3 years old, still a baby in my opinion.
>>>
>>> I didn't mean that the technology hadn't been implemented into 
>>> various Hypervisors, just that it is clearly not a perfected 
>>> feature.  If you consider 3 years of consumer availability, dates 
>>> become important when researching.  Sebastien's post was May 2011, 
>>> just shy of one year ago, and Thomas's was in 2010.
>>>
>>> There are newer patches still for ATI in Xen 4.2, which I intend to 
>>> test over the next week.  I have NOT gotten ATI to work at boot 
>>> time, video starts at the login screen.
>>>
>>> I agree with Wei that drivers can contribute to BSOD's and errors, 
>>> but when an install doesn't fail but the hardware reacts the same as 
>>> before, I would like to assume the driver is irrelative.
>>>
>> Have you looked at XenClient project? It has a customized ATI 
>> component which allows you to switch between VMs flawlessly. I think 
>> it is the most mature Xen solution for GPU passthru in client area.
>
> Dear Wei Huang at AMD Corporation,
>
> May I know what is the XenClient project?
>
>
>>>
>>> ~Casey
>>>
>>> On Thu, Mar 29, 2012 at 4:11 PM, Wei Huang <wei.huang2@amd.com 
>>> <mailto:wei.huang2@amd.com>> wrote:
>>>
>>>     On 03/29/2012 01:35 PM, Teo En Ming (Zhang Enming) wrote:
>>>>     Dear Casey DeLorme,
>>>>
>>>>     This guy, Sebastien Gauthier, also has the same problems as us.
>>>>     He was using Xen 4.1.0 and an ATI Radeon 4550. He applied Mr.
>>>>     Wei Huang's patch. After installing the latest ATI/AMD Catalyst
>>>>     drivers, he got a BSOD with Xen VGA Passthrough to Windows 7.
>>>>
>>>>     Please read Sebastien Gauthier's case here:
>>>>
>>>>     http://readlist.com/lists/lists.xensource.com/xen-users/11/59090.html
>>>>
>>>>     Hence Sebastien Gauthier reported Xen VGA Passthrough with
>>>>     PARTIAL SUCCESS, like us.
>>>>
>>>>     Dear Tobias Geiger,
>>>>
>>>>     You were saying that with ATI VGA cards, you do not need to
>>>>     apply any Xen VGA Passthrough patches. But this guy Sebastien
>>>>     Gauthier applied Mr. Wei Huang's patches to Xen 4.1.0 and got a
>>>>     BSOD after installing ATI Catalyst drivers. Sebastien Gauthier
>>>>     did not get 100% success with Xen VGA Passthrough to Windows 7
>>>>     using an ATI VGA card.
>>>>
>>>     Hi Teo,
>>>
>>>     The VBIOS patch I sent out did not work for all ATI cards. The
>>>     patch itself assumed certain behavior of GPU VBIOS. But this
>>>     doesn't apply to every GPU generation. From this perspective, my
>>>     patch isn't universal. Also there are many factors, some of
>>>     which are not in control by us (like graphics driver), can
>>>     contribute to BSOD you mentioned. I am not in a position to
>>>     debug it for everyone's card (as I don't have all cards).
>>>
>>>     Thanks,
>>>     -Wei
>>>
>>>>     -- 
>>>>     Yours sincerely,
>>>>
>>>>     Mr. Teo En Ming (Zhang Enming)
>>>>     Singapore
>>>>
>>>>
>>>>
>>>>
>>>>     On 29/03/2012 23:50, Teo En Ming (Zhang Enming) wrote:
>>>>>     On 29/03/2012 12:29, Casey DeLorme wrote:
>>>>>>     My mistake for not hitting "Reply to All", sorry.
>>>>>
>>>>>     No worries Casey.
>>>>>
>>>>>>
>>>>>>     It might be of some value to mention that my tests were with
>>>>>>     Windows 7, I have no interest in using XP anymore.  Also, I
>>>>>>     did all of my testing through remote VNC, not once did I
>>>>>>     actually get video, even 2D, working.
>>>>>
>>>>>     I bought 2 copies of Windows XP Home Edition in the past
>>>>>     because it is cheap, at S$145. I did not buy Windows 7 because
>>>>>     it is expensive. I got video working all right, but only 2D. I
>>>>>     cannot get 3D graphics working.
>>>>>
>>>>>>     However, my errors are exactly as you described:
>>>>>>
>>>>>>     1.  Windows recognizes the model (GTX 460), not "unknown PCI
>>>>>>     device".
>>>>>>     2.  Device code 43.
>>>>>>     3.  No resources assigned to the device.
>>>>>
>>>>>     We have the same set of errors.
>>>>>
>>>>>>
>>>>>>     Might be worth mentioning, I was able to run the latest
>>>>>>     nVidia driver installation without errors, but after
>>>>>>     rebooting there was no change, same error code, still no video.
>>>>>
>>>>>     Same situation here with the latest NVIDIA drivers. But I only
>>>>>     have 2D video working. I can't get 3D video to work.
>>>>>
>>>>>>      To me this would be evidence that driver version isn't a
>>>>>>     problem, but then again I didn't have anything actually working.
>>>>>
>>>>>     I agree that driver version isn't a problem. Something is
>>>>>     wrong somewhere.
>>>>>
>>>>>>
>>>>>>
>>>>>>     I am an IT student in college, so my experience is limited to
>>>>>>     mostly programming with very little knowledge of the
>>>>>>     inner-workings of hardware.  So, forgive me for being unable
>>>>>>     to help with regards to memory addresses on the cards.
>>>>>
>>>>>     I am hoping that Intel engineers and Xen developers would be
>>>>>     able to help.
>>>>>
>>>>>>
>>>>>>     I've been using *nix for about 4 years, and Windows since I
>>>>>>     my age was a single digit.  I have had experience setting up
>>>>>>     server features such as web, database, and application
>>>>>>     servers but I am still green when it comes to kernel or
>>>>>>     hardware configuration.
>>>>>
>>>>>     I started learning Linux/UNIX since the year 2005, that is
>>>>>     about 7 years ago. I started using Windows when it was version
>>>>>     3.1. I love compiling the latest Linux kernel and assembling
>>>>>     my own computer hardware.
>>>>>
>>>>>>
>>>>>>     My Xen adventure began 35 days ago, and it is no exaggeration
>>>>>>     to say that in those 35 days I have learned more about linux
>>>>>>     than I had in the past two years.  I like challenges as much
>>>>>>     as the next IT person, but I ran out of time and ideas for
>>>>>>     debugging my nVidia problems.  The nVidia stretch of my
>>>>>>     adventure lasted for 24 days through 54 fresh linux
>>>>>>     installations accompanied by over 200~ pages worth of
>>>>>>     documented failures and not a single pixel sighted.
>>>>>
>>>>>     Why not make your documentation into PDF? It is a very popular
>>>>>     document format.
>>>>>
>>>>>>
>>>>>>     The ATI card took me a day, less than 12 hours of relatively
>>>>>>     easy debugging by comparison to the aforementioned testing.
>>>>>>      I do fully understanding financial constraints, but it is a
>>>>>>     working solution and worth mentioning.  I do not know what
>>>>>>     the prices are like in Singapore, but in the states I was
>>>>>>     able to buy an ATI Radeon HD 6870 for $160.  For me it came
>>>>>>     down to weighing my objectives against my curiosity.
>>>>>
>>>>>     That ATI Radeon HD 6870 would cost me $279, I think.
>>>>>
>>>>>>
>>>>>>     If you do continue your nVidia endeavors I wish you success,
>>>>>>     but as in my former email VGA passthrough is a new frontier,
>>>>>>     not even Guru's like David may not be able to help beyond
>>>>>>     their own hardware experiences.
>>>>>
>>>>>     I don't think VGA passthrough is a new frontier. Oracle
>>>>>     VirtualBox and Linux KVM supports VGA passthrough as well. Xen
>>>>>     ATI VGA Passthrough works out of the box, as Tobias Geiger
>>>>>     suggested, but NVIDIA requires patches.
>>>>>
>>>>>>
>>>>>>
>>>>>>     Documentation is one problem I agree with you on 100%.  I
>>>>>>     came into this knowing relatively little about Linux &
>>>>>>     hardware, and nothing about Xen, and most every guide I found
>>>>>>     assumed I had been in a deep relationship with Linux for many
>>>>>>     years and had a basic understanding of Xen commands.
>>>>>
>>>>>     I started learning Xen since the year 2007, which is about 5
>>>>>     years ago.
>>>>>
>>>>>>
>>>>>>     Like you, I intend to use those documented failures as well
>>>>>>     as my recent success to create a comprehensive guide with
>>>>>>     photographs, screen captures, and perhaps even videos going
>>>>>>     from "assembled computer" to "Complete Xen Dom0 /w HVM & VGA
>>>>>>     Passthrough".  Provided the wiki will allow me to upload the
>>>>>>     screenshots, I'll be certain to post it there.
>>>>>
>>>>>     I will be looking forward to your documentation and videos.
>>>>>     Right now Xen wiki allows uploading image files and PDF files.
>>>>>     Why not create a PDF document and share it with all of us? It
>>>>>     is known as portable document format and is very popular, but
>>>>>     it appears that xen mailing lists don't like PDF format.
>>>>>
>>>>>     _*I don't like wiki pages because anybody can edit and
>>>>>     fundamentally mess up the wiki pages, even providing bogus and
>>>>>     erroneous information. That's why I don't like creating wiki
>>>>>     pages. Anybody can edit and mess up the information you have
>>>>>     painstakingly created on the wiki pages. So please take note.*_
>>>>>
>>>>>     -- 
>>>>>     Yours sincerely,
>>>>>
>>>>>     Mr. Teo En Ming (Zhang Enming)
>>>>>     Singapore
>>>>>
>>>>>
>>>>>>
>>>>>>     ~Casey
>>>>>>
>>>>>>     On Wed, Mar 28, 2012 at 10:21 PM, Teo En Ming (Zhang Enming)
>>>>>>     <singapore.mr.teo.en.ming@gmail.com
>>>>>>     <mailto:singapore.mr.teo.en.ming@gmail.com>> wrote:
>>>>>>
>>>>>>         Dearest Casey DeLorme,
>>>>>>
>>>>>>         Thank you very very much for your kind feedback and
>>>>>>         input. I would also like to thank Mr. Tobias Geiger,
>>>>>>         again, for providing his suggestion on exposing the
>>>>>>         fourth memory region in
>>>>>>         tools/firmware/hvmloader/acpi/dsdt.asl. _In any case,
>>>>>>         either exposing the first 3 memory regions only or
>>>>>>         exposing all the 4 memory regions does not work._ Sadly,
>>>>>>         Tobias Geiger is unable to help me further.
>>>>>>
>>>>>>         I have asked Jean David Techer, what about the 4th PCI
>>>>>>         memory region? Why only expose the first 3 PCI memory
>>>>>>         regions? I don't understand, of course. Jean David Techer
>>>>>>         did not reply to my question.
>>>>>>
>>>>>>         I have decided to post your prompt reply to the xen-users
>>>>>>         and xen-devel mailing lists, in case people think that I
>>>>>>         am finding fault with Jean David Techer, or trying to
>>>>>>         irritate him, or trying to make him angry, or trying to
>>>>>>         aggravate him. Jean David Techer replied me with an email
>>>>>>         saying that I _spent too much time_ and _too bent_ on
>>>>>>         solving the yellow exclamation mark glitch for my NVIDIA
>>>>>>         Geforce 8400GS in Device Manager in Windows 8 Consumer
>>>>>>         Preview and Windows XP Home Edition, and that I sent
>>>>>>         *_stupid_* requests. Stupid requests? Did he read my
>>>>>>         emails carefully, word by word?
>>>>>>
>>>>>>         Casey DeLorme, please, can I confirm with you again that
>>>>>>         you are getting the following errors after applying Jean
>>>>>>         David Techer's Xen 4.2-unstable VGA Passthrough patches:
>>>>>>
>>>>>>         *_(1) Yellow exclamation mark besides your NVIDIA GTX 460
>>>>>>         in Device Manager
>>>>>>         (2) Windows has stopped this device because it has
>>>>>>         reported problems. (Code 43)
>>>>>>         (3) This device isn't using any resources because it has
>>>>>>         a problem._*
>>>>>>
>>>>>>         Jean David Techer insists that our technical issues are
>>>>>>         due to a NVIDIA driver problem. He insists that you have
>>>>>>         to install NVIDIA driver versions 275.33 WHQL and 275.50
>>>>>>         BETA. Any other NVIDIA driver versions (above 280.XX)
>>>>>>         will not work, according to Jean David Techer. *_However,
>>>>>>         I have tried installing NVIDIA driver versions 275.33 and
>>>>>>         275.50 from www.softpedia.com <http://www.softpedia.com>,
>>>>>>         as he suggested, but it caused my Windows XP Home Edition
>>>>>>         HVM virtual machine to be destroyed/terminated/crash
>>>>>>         after a few minutes and my dom0 to crash as well._*
>>>>>>         NVIDIA driver versions 275.33 and 275.50 for Windows XP
>>>>>>         32-bit is not available from the official NVIDIA website.
>>>>>>
>>>>>>         So it is definitely not a NVIDIA driver problem. I
>>>>>>         suspect that the technical issue has to do with *_MMIO
>>>>>>         BARs pBAR:vBAR 1:1 matching_*. I don't think there is any
>>>>>>         problem with vgabios-pt.bin extracted out from our NVIDIA
>>>>>>         VGA cards, because I have performed a "hexdump -C" on my
>>>>>>         extracted VGA BIOS EEPROM, or Electrically Erasable
>>>>>>         Programmable Read Only Memory.
>>>>>>
>>>>>>         Secondly, it does seem strange that Jean David Techer was
>>>>>>         able to attain *_100%_*, ie. *_perfect success_* with Xen
>>>>>>         4.2-unstable VGA Passthrough to his Windows XP 32-bit and
>>>>>>         64-bit HVM domU. Have you watched his Youtube video? It
>>>>>>         is only 4 minutes. Please do watch Jean David Techer's
>>>>>>         Youtube video at the following URL:
>>>>>>
>>>>>>         Jean David Techer's Xen 4.2-unstable VGA Passthrough to
>>>>>>         Windows XP x64 HVM domU Youtube video link:
>>>>>>         *_http://www.youtube.com/watch?v=3SaYO0ERW44_*
>>>>>>
>>>>>>         I am *_appalled_* and *_baffle__d_* that he has attained
>>>>>>         *_100% success_* while both of us have only attained
>>>>>>         *_partial succes__s_* (*_i.e. less than 100%_*) on Xen
>>>>>>         4.2-unstable VGA Passthrough to Windows 8 Consumer
>>>>>>         Preview and Windows XP.
>>>>>>
>>>>>>         *_Solving the yellow exclamation mark issue is important
>>>>>>         because we would not be able to run 3D graphics
>>>>>>         benchmarks and play 3D games without solving it. I am not
>>>>>>         sending silly emails about some yellow marks, as Jean
>>>>>>         David Techer suggested. I can't even run Unigine Heaven
>>>>>>         DX11, and 3dmark11 3D display benchmarks, because of the
>>>>>>         yellow exclamation mark for NVIDIA Geforce 8400 GS in
>>>>>>         Device Manager._*
>>>>>>
>>>>>>         Casey DeLorme, with your report on relatively easy
>>>>>>         success with ATI VGA cards, I think I would go the ATI
>>>>>>         way, but I would have to spend a few hundred dollars
>>>>>>         compared to my cheap SGD$44 NVIDIA Geforce 8400 GS card.
>>>>>>         And while deciding to go the ATI way, I would also like
>>>>>>         to continue troubleshooting with the NVIDIA problem,
>>>>>>         because I consider it to be a technical challenge.
>>>>>>
>>>>>>         In essence, Jean David Techner is considered to be a
>>>>>>         "boss", or business owner, or proprietor, or
>>>>>>         technopreneur, or entrepreneur, or technical support
>>>>>>         officer, or customer support officer, or IT helpdesk
>>>>>>         engineer, providing services like his forward-ported Xen
>>>>>>         4.2-unstable VGA Passthrough patches and the
>>>>>>         documentation on his blog. I repost Jean David Techer's
>>>>>>         official website here:
>>>>>>
>>>>>>         Jean David Techer's Xen 4.2-unstable VGA Passthrough
>>>>>>         blog:
>>>>>>         *_http://www.davidgis.fr/blog/index.php?2011/12/07/860-xen-42unstable-patches-for-vga-pass-through_*
>>>>>>
>>>>>>         Jean David Techer's official website is his business venture.
>>>>>>
>>>>>>         Basically, I am Jean David Techer's *_"customer"_*,
>>>>>>         trying to obtain technical support from him. Of course,
>>>>>>         he is *_not obliged_* to provide technical support to me
>>>>>>         since he is providing *_free_* services. It is, after
>>>>>>         all, an open source software project. Nobody is obliged
>>>>>>         to provide anybody with technical support. *_To do Jean
>>>>>>         David Techer justice, he replied most of my questions
>>>>>>         while avoiding some of my questions._*
>>>>>>
>>>>>>         Finally, I have also failed to obtain technical support
>>>>>>         from Xen developers like Ian Campbell from *_Citrix
>>>>>>         Corporation_* and Konrad Wilk from *_Oracle
>>>>>>         Corporation_*. _*I have always provided all the steps
>>>>>>         which I have taken, the configuration files and necessary
>>>>>>         documentation, and kernel messages and error logs*_ to
>>>>>>         xen-users and xen-devel mailing lists, but they keep
>>>>>>         insisting I did not provide the information they
>>>>>>         required. I wondered why. I think they did not read my
>>>>>>         emails carefully. They told me they would not reply to me
>>>>>>         any more if I do not provide the information they
>>>>>>         requested. _*But the problem is that I have always
>>>>>>         provided information they requested!*_ I think they
>>>>>>         missed some of my emails, or did not read my emails
>>>>>>         carefully enough. I am an *_ardent supporter_* and
>>>>>>         *_SERIOUS software tester_* for open source Xen
>>>>>>         virtualization/hypervisor but they treated me lightly.
>>>>>>         _*I always read my emails WORD BY WORD.*_ I have even
>>>>>>         went to the point of making a video on the *_BUG_* and
>>>>>>         uploading my video to Youtube. The video is only THREE
>>>>>>         minutes.
>>>>>>
>>>>>>         _*As everybody says, a picture is worth a thousand words.
>>>>>>         A video is worth a BILLION words!*_
>>>>>>
>>>>>>         I have also failed to obtain technical support from Xen
>>>>>>         developers regarding Xen 4.2-unstable VGA Passthrough.
>>>>>>
>>>>>>         I am hoping Xen 4.2 would have official support for Xen
>>>>>>         VGA Passthrough for both NVIDIA and ATI cards.
>>>>>>
>>>>>>         Casey DeLorme, thank you very much once again. I will be
>>>>>>         making changes to my Xen, Linux Kernel and Xen VGA
>>>>>>         Passthrough Documentation and will be releasing Version
>>>>>>         1.7 shortly. Jean David Techer's documentation assumes
>>>>>>         some level of advanced Linux technical knowledge, so I am
>>>>>>         writing documentation on my own so that everybody, not
>>>>>>         just advanced Linux and Xen users, can follow. I have
>>>>>>         made references to Jean David Techer's documentation in
>>>>>>         my own documentation.
>>>>>>
>>>>>>         I would be very happy if people would use my
>>>>>>         documentation. Of course, it satisfies my ego and my
>>>>>>         vanity. Haha.
>>>>>>
>>>>>>         I have been un-employed for nearly three years now, and I
>>>>>>         would hesitate to spend a few hundred dollars on an ATI
>>>>>>         VGA card. I quit my job as an IT engineer 3 years ago
>>>>>>         because my father suffered from lacunar infarct, or more
>>>>>>         commonly known as stroke. My NVIDIA Geforce 8400 GS costs
>>>>>>         only S$44. Please understand why I hesitate to buy an ATI
>>>>>>         VGA card. The cheapest one costs SGD$279.
>>>>>>
>>>>>>         I have a diploma in Mechanical+Electronics engineering
>>>>>>         from Singapore Polytechnic and a Bachelor's degree in
>>>>>>         Mechanical Engineering from the National University of
>>>>>>         Singapore. But I do not have qualifications in Computer
>>>>>>         Science or Information Technology. I have worked as an
>>>>>>         Information Technology engineer in Defense Science and
>>>>>>         Technology Agency, Ministry of Defense, Singapore,
>>>>>>         National Computer Systems Pte Ltd, Asiasoft Online Pte
>>>>>>         Ltd, and Ishinemax Singapore Pte Ltd.
>>>>>>
>>>>>>         Google search terms: Frenchman Jean David Techer,
>>>>>>         Singaporean Teo En Ming's Xen, Linux Kernel and Xen VGA
>>>>>>         Passthrough Documentation, Xen 4.2-unstable VGA
>>>>>>         Passthrough to Windows 8 Consumer Preview and Windows XP
>>>>>>         HVM Virtual Machines
>>>>>>
>>>>>>         Thank you very much for reading my lengthy email. I am
>>>>>>         always courteous, saying "Please help me. Please. Please.
>>>>>>         Please." and "Thank you very much for your kind
>>>>>>         assistance" in my emails.
>>>>>>
>>>>>>         Thank you very much.
>>>>>>
>>>>>>         -- 
>>>>>>         Yours sincerely,
>>>>>>         Mr. Teo En Ming (Zhang Enming)
>>>>>>         Singapore Citizen
>>>>>>
>>>>>>         cc: His Excellency The Prime Minister Mr. Lee Hsien
>>>>>>         Loong, Prime Minister's Office, Republic of Singapore
>>>>>>
>>>>>>         On 29/03/2012 03:53, Casey DeLorme wrote:
>>>>>>>         Hi Teo,
>>>>>>>
>>>>>>>         I tried David's patch files a while ago *_without
>>>>>>>         success_*.  I had Xen compiled with the patch files and
>>>>>>>         my GTX 460 VGA BIOS rom, _*but I got the same as you,
>>>>>>>         either a BSOD or Code 43 in Device Manager.*_
>>>>>>>
>>>>>>>         You sound plenty competent, but it's important to
>>>>>>>         remember that you are pioneering a technology that for
>>>>>>>         consumers is still in its infancy.  Very few people are
>>>>>>>         testing this with consumer equipment, so finding results
>>>>>>>         seems to be a rarity.
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>         _______________________________________________
>>>>>>         Xen-users mailing list
>>>>>>         Xen-users@lists.xen.org <mailto:Xen-users@lists.xen.org>
>>>>>>         http://lists.xen.org/xen-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>
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