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Re: [Xen-devel] xen dies on Linux agpgart interace

To: Jerome Brown <guruswami@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen dies on Linux agpgart interace
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Sun, 14 Nov 2004 20:48:45 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Delivery-date: Sun, 14 Nov 2004 21:18:26 +0000
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In-reply-to: Your message of "Mon, 15 Nov 2004 09:37:53 +1300." <4197C221.1040800@xxxxxxxxxxxx>
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> Is this AGPGART problem only in unprivileged domains, or in both
> privileged and unprivileged?
> 
> Cheers
> 
> Jerome

Unprivileged guests get no access to the AGPGART hardware, so they
will never be able to run a native X server (you need to use VNC or
some other means to forward screen data to real X in domain 0).

Privileged guests *ought* to be able to run X with AGPGART but
currently there are bugs which cause it to fail. That's what we are
looking into.

 -- Keir


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