Xen devel - Aug 2010 - Intel integrated graphics VGA passthrough problem - I/O virtualisation disabled

Hello all,
    I have already use xen for about a year. I use recently released Opensuse
11.3 (use Xen 4.0) for my experiment. I want to run 3D test in HVM(windows xp),
so I want to use VGA passthrough technology. But there is something not work
properly.
    I google a lot of time, it says, I/O virtualisation should be enabled, but I
can solve it.
    I run "xm dmesg" command, in the output, there is "(Xen) I/O
virtualisation disabled", what I should do to enable I/O virtualisation.
    Can anyone help me? 

    motherboard verison is intel DG965RY.

    Thank you!

2010-08-21



Di Zhang




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On 21 August 2010 11:18, nativesilent <nativesilent@gmail.com>
wrote:
> Hello all,
>     I have already use xen for about a year. I use recently released
> Opensuse 11.3 (use Xen 4.0) for my experiment. I want to run 3D test in
> HVM(windows xp), so I want to use VGA passthrough technology. But there is
> something not work properly.
>     I google a lot of time, it says, I/O virtualisation should be enabled,
> but I can solve it.
>     I run "xm dmesg" command, in the output, there is "(Xen)
I/O
> virtualisation disabled", what I should do to enable I/O
virtualisation.
>     Can anyone help me?
>
>     motherboard verison is intel DG965RY.
>
>     Thank you!
>
It''s probably because the option is disabled in your bios.

Jean

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