Re: Passed trough video card screen access

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Hi Борис,

Борис Морозов píše v Po 20. 08. 2012 v 15:57 +1000:
> I wish to migrate from tower cases into nettops to make contribution to ecology by using KVM based virtualization. I made some expiriments that show me that i'am in right way but only one thing is obstacle from success.   
> 
> Some days ago on my server i successfully passtrough AMD HD 6770 video card in Windows 7 virtual machine controled by KVM. 

I wasn't even aware that qemu/KVM got this feature. IIRC the device
passthrough worked only for simpler devices like NICs...

> It's looks cool. After video card driver install i become unable to work with SPICE client display. It's show only black screen with Windows logo, video card output used as default. 
> 

IMHO that's expected. I'd guess that both qemu and spice-server would
have to be modified to consume data out of physical videocard instead of
some of the qemu emulated devices.

> I've got temporary solution to use VNC to access videocard framebuffer but it can't used to watch movies and play games. In way of using Spice i can watch movies and play old games without hardware 3D-acceleration.
> 
> Is there way to get access to screen of passed video card from Spice-client or standalone Spice-server for Windows guest is needed?

Standalone spice-server for Windows doesn't exist. It does exist for
Linux but I'm pretty sure it wouldn't be able to leverage GPU for OpenGL
acceleration either. Alon?

David

> 
> Best regards, Boris Morozov.
> _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel

-- 

David Jaša, RHCE

SPICE QE based in Brno
GPG Key:     22C33E24 
Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24



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