RE: [Xen-devel] Guest-vs-Host MTRR/PAT conflict and a crash?

["Han, Weidong" <weidong.han@xxxxxxxxx>]

I think only need to hide graphics card (01:00.0).

Randy (Weidong)

David Stone wrote:
> #lspci
> 00:00.0 Host bridge [0600]: Intel Corporation DRAM Controller
> [8086:29b0] (rev 02)
> 00:01.0 PCI bridge [0604]: Intel Corporation PCI Express Root Port
> [8086:29b1] (rev 02)
> 00:1c.0 PCI bridge [0604]: Intel Corporation PCI Express Port 1
> [8086:2940] (rev 02)
> 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge
> [8086:244e] (rev 92)
> 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Unknown
> device [1002:94c3]
> 
> 01:00.0 is the 16-lane PCI-Express graphics card I'm trying to pass
> through to my Windows DomU.  00:01.0 is the root complex to which is
> attached (I'm pretty sure based on the below).  I think 00:1c.0 is a
> switch to a one-lane PCI Express slot on the motherboard.
> 
> So I'm hiding/passing through both the root complex (00:01.0) and the
> graphics card (01:00.0).  Interestingly if I explicitly hide the root
> complex only, pciback seems to automagically graps the graphics card.
> 
> Dave
> 
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