[libvirt-users] VGA as vfio-pci and vnc server's blank/black display

lejeczek peljasz at yahoo.co.uk
Wed Oct 15 12:29:32 UTC 2014


hi
so nobody has any experience with passing a AMD Radeon 
through?? This is my setup.

On 09/10/14 13:26, lejeczek wrote:
> I am trying QXL but similarly windows guest says device is 
> not working. (haven't tried connect to spice yet)
>
> On 09/10/14 11:42, lejeczek wrote:
>> in case I wasn't clear I'll only add that that "Standard 
>> VGA" in guest gets exclaimed ONLY when that second VGA is 
>> passed through.
>> Otherwise it works and VNC display works too.
>>
>> On 08/10/14 15:15, lejeczek wrote:
>>> hi,
>>>
>>> I'm having a Radeon as vfio-pci, which seems to work 
>>> perfectly fine, but...
>>> Qemu's model type='vga' gets "exlaimed" in win2k8's 
>>> Device Manager with:
>>> "
>>> Windows has stopped this device because it has reported 
>>> problems. (Code 43)
>>> "
>>>
>>> Now, that does not bother me that much as all I need on 
>>> regular basis is RDP but VNC connection gets me nowhere.
>>> I get blank/black screen, it connects without 
>>> errors/problems but nothing more.
>>>
>>> I know you would say VGA passthrough is only supported 
>>> for very few VGA adapters but is the situation I 
>>> describe normal/expected?
>>>
>>> regards
>>>
>>> _______________________________________________
>>> libvirt-users mailing list
>>> libvirt-users at redhat.com
>>> https://www.redhat.com/mailman/listinfo/libvirt-users
>>>
>>
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>
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