[Spice-devel] Fedora 18 guest's GUI is slow. Due to 3D driver?

[Alon Levy]

> Thanks for replying, Alon.
> 
> Yes, I found that 3d rendering in software. But.. is there any method
> to improve the response speed of Fedora GNOME desktop? You know,
> Windows XP/7 guest's speed is really pretty fast!

Sadly the 3.x GNOME desktop requires 3d rendering and spice does not know how to speed that up, the usual spice approach of passing through commands all the way to the client only applies to 2d rendering.

Windows XP/7 are not doing 3d rendering, hence the difference.

> 
> Thanks.
> 
> On 01/24/2013 09:13 PM, Alon Levy wrote:
> >> hi list,
> >>
> >> I am running Fedora 18 (GNOME version) as a guest in a host with
> >> qemu
> >> 1.3. But the desktop is slow. I have already opened 3D
> >> acceleration
> >> in the guest's xml definition file.But the desktop is slow. I have
> >> already opened 3D acceleration in the guest's xml definition file.
> >>
> >> By the way, Fedora's XFCE version works smoothly.
> >>
> >> Does anyone know what the root cause is? Is it caused by spice/qxl
> >> 3D
> >> driver?
> > The 3d rendering is done in the guest entirely, in software, you
> > can verify by seeing there is no /dev/drm device being open, and
> > looking at X log file should show it is using software emulation.
> > Looking at the cpu usage in the guest it should be high as well.
> >
> >> Thanks,
> >> _______________________________________________
> >> Spice-devel mailing list
> >> Spice-devel at lists.freedesktop.org
> >> http://lists.freedesktop.org/mailman/listinfo/spice-devel
> >>
> 
>