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

["Hao, Xudong" <xudong.hao@xxxxxxxxx>]

> -----Original Message-----
> From: Julien Grall [mailto:julien.grall@xxxxxxxxxx]
> Sent: Thursday, November 2, 2017 9:50 PM
> To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Hao, Xudong <xudong.hao@xxxxxxxxx>; Jan Beulich <JBeulich@xxxxxxxx>;
> Quan Xu <quan.xu0@xxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>; Wei Liu
> <wei.liu2@xxxxxxxxxx>; Zhang, PengtaoX <pengtaox.zhang@xxxxxxxxx>; Kang,
> Luwei <luwei.kang@xxxxxxxxx>; Julien Grall <julien.grall@xxxxxxx>; Anthony
> PERARD <anthony.perard@xxxxxxxxxx>; Xen-devel <xen-
> devel@xxxxxxxxxxxxxxxxxxxx>
> Subject: Re: [Xen-devel] [BUG] win2008 guest cannot get ip through sriov
> 
> Hi,
> 
> 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?
> 

Qemu Xen tree is default which is in Xen source code configuration file 
Config.mk, I tested it with it.
QEMU_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/qemu-xen.git


Thanks,
-Xudong


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