Re: [Xen-devel] [BUG] win2008 guest cannot get ip through sriov

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Anthony,

On 08/11/17 12:13, Anthony PERARD wrote:
> On Thu, Nov 02, 2017 at 01:49:54PM +0000, Julien Grall wrote:
> > On 27/10/17 21:16, Stefano Stabellini wrote:
> > > On Fri, 27 Oct 2017, Julien Grall wrote:
> > > > On 27/10/17 08:27, Hao, Xudong wrote:
> > > > > This bug exist much long time, there are many discussion last year but not a
> > > > > solution then. I call out it now because there is a fix in qemu upstream:
> > > > > commit a8036336609d2e184fc3543a4c439c0ba7d7f3a2
> > > > > Author: Roger Pau Monne <roger.pau@xxxxxxxxxx>
> > > > > Date:   Thu Aug 24 16:07:03 2017 +0100
> > > > >
> > > > >        xen/pt: allow QEMU to request MSI unmasking at bind time
> > > > >
> > > > > The fix is not in qemu-xen tree yet, when will qemu-xen sync this fix? Is it
> > > > > possible to catch Xen 4.10's qemu-xen?
> > > > I will let Stefano and Anthony providing feedback before giving a release-ack
> > > > here.
> > > Yes, I think we should backport the commit as it fixes a genuine bug.
> > > The backport is not risk-free but it only affects PCI Passthrough. Also
> > > the commit has been in QEMU for 2 months now.
> > Does anyone actually tested it with QEMU Xen tree?
> Yes.  I've tested qemu-xen with this patch and PCI passthrough still
> works.
>
> Can I get a release-ack?
I'd still like an answer on Roger's question whether this patch fixes 
the issue they met.
Cheers,

--
Julien Grall

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