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Agpgart isn't (yet) supported, so it's best to avoid it for now. This will
probably be fixed in a later release. You should be able to get X to work
with a non-agpgart-specific (albeit slower) configuration.

For reference, there's the beginnings of a fix in the patches directory but
it's not finished yet (it'll get you further into a boot but it'll still
crash ;-) ).

HTH,
Mark

> Xen appears to kernel panic. Boot up terminates and hangs with the
> message "agpgart: Maximum main memory to use for agp memory: 152 M. "
>
> This is a compiled Xen-2.0 latest snapshot with agp support in the kernel.
>
> Has anyone else had similar problems with agp?
>
> Nate
>
>
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Is this AGPGART problem only in unprivileged domains, or in both
privileged and unprivileged?

Cheers

Jerome

Mark A. Williamson wrote:
> Agpgart isn't (yet) supported, so it's best to avoid it for now. This will
> probably be fixed in a later release. You should be able to get X to work
> with a non-agpgart-specific (albeit slower) configuration.
>
> For reference, there's the beginnings of a fix in the patches directory but
> it's not finished yet (it'll get you further into a boot but it'll still
> crash ;-) ).
>
> HTH,
> Mark
>
>
>>Xen appears to kernel panic. Boot up terminates and hangs with the
>>message "agpgart: Maximum main memory to use for agp memory: 152 M. "
>>
>>This is a compiled Xen-2.0 latest snapshot with agp support in the kernel.
>>
>>Has anyone else had similar problems with agp?
>>
>>Nate
>>
>>
>>-------------------------------------------------------
>>This SF.Net email is sponsored by:
>>Sybase ASE Linux Express Edition - download now for FREE
>>LinuxWorld Reader's Choice Award Winner for best database on Linux.
>>http://ads.osdn.com/?ad_id=5588&alloc_id=12065&op=click
>>_______________________________________________
>>Xen-devel mailing list
>>Xen-devel@lists.sourceforge.net
>>https://lists.sourceforge.net/lists/listinfo/xen-devel
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by:
> Sybase ASE Linux Express Edition - download now for FREE
> LinuxWorld Reader's Choice Award Winner for best database on Linux.
> http://ads.osdn.com/?ad_id=5588&alloc_id=12065&op=click
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/xen-devel
>
>



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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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