Re: [Xen-devel] Windows 8 VGA Passthrough

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Sun, Oct 27, 2013 at 12:21:14PM -0500, John Wargo wrote:
> I've made quite a bit of changes since my last email, and so far
> here's what I've got:
> 
> AMD FX6300
> ASUS M5A99X evo r2.0
> ASUS Radeon 6670 (Dom0)
> XFX Radeon 7850 (Win8)
> 
> Right now I've got AMD Catalyst (latest stable) installed in windows
> 8, and device manager shows my Radeon 7850 reporting no issues.
> 
> I'm currently passing it through as secondary (gfx_passthrough=0),
> however I cannot plug my monitor into it.
> 
> After taking debugging steps, I've come up with the attached debugging info:
> info - xl info
> dmesg - xl dmesg
> grub - a copy of '/etc/default/grub'
> win8.cfg - the configuration I'm using to launch windows 8
> 
> Fedora bug reporting tool caught a kernel bug at
> 'drivers/gpu/drm/ttm/ttm_bo.c:210', I have compiled xen from source,
> and I'm using it as a kernel (or really part of it).

OK, what was the rest of it? And what version of the kernel?

You also seem to have a debug.zip attached - but it has nothing it it?
> 
> Is there some sort of AMD Radeon patch I need to use (I saw one on
> the wiki, but it appeared to be several years old), or is it a
> needed configuration?
> 
> Thanks for your time,
> -John


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