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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Jun 02, 2016 at 07:31:06AM +0000, Xu, Quan wrote:
> On May 27, 2016 10:06 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> > >>> On 27.05.16 at 15:34, <wei.liu2@xxxxxxxxxx> wrote:
> > > On Fri, May 27, 2016 at 06:16:30AM -0600, Jan Beulich wrote:
> > >> >>> On 27.05.16 at 12:39, <wei.liu2@xxxxxxxxxx> wrote:
> > >> > Is this a regression? Does it work on previous versions of Xen?
> > >>
> > >> I think this is what was already reported by other Intel people, see
> > >> e.g. Quan's most recent reply:
> > >> http://lists.xenproject.org/archives/html/xen-devel/2016-05/msg01896.
> > >> html It is not clear where the problem is, and not seeing the issue
> > >> myself makes it hard to analyze. In any event this quite likely is a
> > >> regression.
> > >>
> > >
> > > My reading of that email thread and all relevant links (including the
> > > KVM bug report) is that there is a regression vf driver, but not in Xen.
> > 
> > Just from reading that I would tend to agree. But the report here is about
> > Win2K8.
> > 
> 
> 
> Jan, 
> Do you know which commit is a regression one? I try to find out the 
> regression commit.  That may be helpful to find out the root cause.
> 
> Btw, some feedback from QA team, rhel 6.4 VM  doesn't work, but rhel 7.2 VM 
> does.
> 

Isn't this at least an indication that the guest could be buggy here?
It could also be both the hypervsior and guest have bugs. But we're just
not sure at this point.

Wei.

> > Jan
> > 
> > > There isn't enough evidence to rule out a bug in Xen, but over all
> > > I'm inclined to think this bug is not in Xen given all the things 
> > > presented.
> > >
> > > Wei.
> > 
> 

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