[vfio-users] No screen while boot up VM

[Eddie Yen]

Thanks!

The VM I want to build is because it will going to run graphic rendering.
Now Quadro got this problem, Does AMD FirePro has same problem, too?

2015-11-10 11:40 GMT+08:00 <globalgorrilla at fastmail.fm>:

> And ...
>
> [vfio-users] KVM + QEMU + GPU passthrough (Windows7 Guest)
> https://www.redhat.com/archives/vfio-users/2015-September/thread.html#00428
>
>
> On 9 Nov 2015, at 19:35, globalgorrilla at fastmail.fm wrote:
>
> The Quadro (K2200) works as primary for me with OVMF both w/ Windows 10
>> and Arch in guest.
>>
>> For Windows 7 you might have to use VGA? Not sure as I haven't used that
>> myself. Presumably you've already perused the following?
>>
>>
>> http://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-5-vga-mode.html
>>
>> On 9 Nov 2015, at 19:32, Eddie Yen wrote:
>>
>> OK...It let me want to remove kernel 4.3 and install 4.1 trusty kernel :P
>>>
>>> And last two questions:
>>>
>>> 1. I still can't use OVMF on Windows 7, I saw few people successfully
>>> install Windows 7 with OVMF.
>>> I tried using the latest OVMF from jenkin's repo, but it didn't work.
>>>
>>> 2. Quadro needs to be secondary card, so how can we use primary card? Can
>>> we use virtual GPU as primary VGA device?
>>>
>>> 2015-11-10 11:21 GMT+08:00 <globalgorrilla at fastmail.fm>:
>>>
>>> https://www.redhat.com/archives/vfio-users/2015-October/thread.html#00114
>>>>
>>>> It seems to be OVMF in QEMU dealing with some new stuff since 4.2. There
>>>> have been some fixes in both but I haven't found it to be stable. 4.1
>>>> is an
>>>> LTS release and might serve you well until the newer stuff is more
>>>> stable.
>>>>
>>>>
>>>> On 9 Nov 2015, at 19:17, Eddie Yen wrote:
>>>>
>>>> Roger that! And thanks for you info.
>>>>
>>>>>
>>>>> What issue you got on 4.3?
>>>>> I have to update kernel because the orig kernel is 3.13, and it didn't
>>>>> support some VFIO features.
>>>>>
>>>>> 2015-11-10 11:13 GMT+08:00 <globalgorrilla at fastmail.fm>:
>>>>>
>>>>> Host OS is Ubuntu 14.04.3 /w Linux Kernel 4.3
>>>>>
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> I might try 4.1.X first. I've had issues still with 4.{2,3}
>>>>>>
>>>>>> If you end up looking for another card a K2200 works perfectly as a
>>>>>> primary with OVMF.
>>>>>>
>>>>>> I highly recommend the card. 4GB, 1-slot (this is very nice), low
>>>>>> power,
>>>>>> low heat.
>>>>>>
>>>>>>
>>>>>> On 9 Nov 2015, at 18:45, Alex Williamson wrote:
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> On Mon, Nov 9, 2015 at 7:36 PM, Eddie Yen <missile0407 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>
>>>>>>> Hello, guys,
>>>>>>>
>>>>>>> I got another problem when trying boot up VM on real server.
>>>>>>>>
>>>>>>>> The server is Dell PowerEdge R720 /w E5-2620v2 dual CPU (24 threads
>>>>>>>> total)
>>>>>>>> Host OS is Ubuntu 14.04.3 /w Linux Kernel 4.3
>>>>>>>> And QEMU is 2.4.1 /w Hyper-V patch.
>>>>>>>>
>>>>>>>> I tried to mount Quadro K420 into VM and install Windows 7
>>>>>>>> But when I launch VM by using QEMU command, I got nothing in my
>>>>>>>> screen.
>>>>>>>>
>>>>>>>>
>>>>>>>> IME, Quadro cards only work as secondary GPUs and only K-series,
>>>>>>>> 2000
>>>>>>>>
>>>>>>> model
>>>>>>> or higher are supported by NVIDIA for GPU assignment (M-series may
>>>>>>> work
>>>>>>> too).  Low-end Quadros are a black hole that are neither officially
>>>>>>> supported by NVIDIA nor do they typically work with the GeForce
>>>>>>> quirks.
>>>>>>> Sorry.
>>>>>>> _______________________________________________
>>>>>>> vfio-users mailing list
>>>>>>> vfio-users at redhat.com
>>>>>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
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>
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