Re: [Xen-devel] SRIOV fail to work with Xen 4.4+qemu-xen-dir

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Fri, Jan 31, 2014 at 01:40:37PM +0000, Zhang, Yang Z wrote:
> Hi all
> 
> I saw the SRIOV(82576 or 82599) NICs are fail to work with windows
> guest in Xen 4.4+qemu-xen-dir. After the windows 2k8 guest boot up,
> the NIC cannot get ip. And I only saw this issue with qemu-xen-dir.
> Qemu traditional is working well. Any one saw the same issue?
> 
> BTW: I try to bisect which qemu commit introduced the regression, but
> it seems the issue exists from the start of adding VT-d patch to
> upstream Qemu.

My guest is, if it does not work with Xen 4.3 (with qemu-xen), then, it
never worked.

Would this be related to bug #22 (xl does not support specifying virtual
function for passthrough device) http://bugs.xenproject.org/xen/bug/22 ?

-- 
Anthony PERARD

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