[Pkg-xen-devel] Xen + Debian Squeeze + Recent ATI Graphics Card
waldi at debian.org
Mon Aug 2 15:05:10 UTC 2010
On Sat, Jul 31, 2010 at 04:16:19PM -0700, Stuart Chalmers wrote:
> - the Xen kernel shipped in Squeeze will be 'PVOPS' rather than 'Xenlinux'
> - On these PVOPS kernels there are/were issues with Kernel Mode Setting (KMS),
> Direct Rendering Manager (DRM) etc. (see
Almost all problems are because the drivers assumes a linear address
space and always mapped memory. This does not apply to Xen.
> What's not so clear to me is how far away DRM (and hence graphics acceleration)
> support is within the PVOPS kernels, specifically the one that will be shipped
> with Squeeze. The reference above suggests that there are a few issues that
> have been resolved, but I'm not clear if the fixes mentioned are either in the
> current or what will be in the final kernel in Squeeze. I'm also not clear if
> these patches will allow KMS/DRM to work or whether they are just a step in the
> right direction. Can anyone provide current information around this, please?
Sure. The intel cards works fine with KMS and acceleration.
> I made a start on attempting to apply the patches, but found that I don't know
> anywhere near enough on the branches and git itself to make any meaningful
> progress. I'd be more than happy to help test (patched) kernel packages should
> it be worthwhile.
Well, pushing such changes to DRM upstream and back via stable is the
official method. The same problem applies to several highend intel
machines as well.
> One final query: are there plans to provide Xen HVM in Squeeze? I'm sure that I
> saw a package for that somewhere.
The hypervisor supports it, but the qemu helper is a different problem.
Either one of us, by himself, is expendable. Both of us are not.
-- Kirk, "The Devil in the Dark", stardate 3196.1
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