[vfio-users] No screen while boot up VM

globalgorrilla at fastmail.fm globalgorrilla at fastmail.fm
Tue Nov 10 03:35:20 UTC 2015


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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