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[Xen-users] Re: Issues using nouveau driver as Dom0 machine

On Fri, Jan 14, 2011 at 01:28:09PM -0500, Mike Viau wrote:
> Hello xenners,
> It has recently
> been brought to my attention that linux-image-2.6.32-5-xen-amd64
> (2.6.32-30) was released in the Debian sid repositories [1]. Urgency
> is set to high so I'd imagine the migration to squeeze will not take
> long as well. The changelog shows [2]:
> xen: backport TTM patches to use PCI API. Fixes PCIe GPU (specifically
>      Radeon and Nouveau) on Xen (Closes: #601341).
> Previously I was successful using the nouveau video driver with
> Xen on my laptop with nvidia graphic when using the
> Debian 2.6.32-29+xen0 kernel from the ianc (Ian Campbells) xenbits
> folder.
> When I tried the new sid kernel (-30), I
> found that I was able to boot natively (bare-metal) with full
> functionality; meaning X with gnome desktop manager was working, able
> to suspended and woken up, etc. (did not test sound).
> When I
> tried to boot the kernel through the Xen hypervisor it hangs X &
> fb console like reported in a bug report [3]. My laptop is a Lenovo
> ThinkPad R61 and my lspci -vvv -s 01:00.0 output is as
> followed:
> 01:00.0 VGA compatible controller: nVidia
> Corporation G84M [Quadro NVS 140M] (rev a1) (prog-if 00 [VGA
> controller])
>     Subsystem: Lenovo ThinkPad T61

The patches are for PCI-e type cards. Your video card is PCI and
goes through a AGP bridge. To get the AGP type support extra
backporting from devel/agp.pci-api 
would have to be done.

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