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....@citrix.com>
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?
BTW, mail report bug is direct but not easy to track, I took much time to
search this BUG report mail. @Lars, is there plan to introduce any bug system
for Xen?
Thanks,
-Xudong
> -----Original Message-----
> From: Xu, Quan
> Sent: Wednesday, June 8, 2016 5:12 PM
> To: Jan Beulich <jbeul...@suse.com>; Hao, Xudong <xudong....@intel.com>
> Cc: Wei Liu <wei.l...@citrix.com>; Zhang, PengtaoX
> <pengtaox.zh...@intel.com>; Xen-devel <xen-de...@lists.xenproject.org>
> Subject: RE: [Xen-devel] [BUG] win2008 guest cannot get ip through sriov
>
> On June 07, 2016 3:50 PM, Jan Beulich <jbeul...@suse.com> wrote:
> > >>> On 07.06.16 at 07:52, <quan...@intel.com> wrote:
> > > -vf PT is not working for win2008: the logs:
> > > qemu-dm-win2k8.log -- qemu log, vf PT for win2008.
> > > xen-win2k8.log -- xen log, vf PT for win2008.
> >
> > Hmm, that's very little output. In particular neither qemu nor Xen see
> > _any_ writes to the MSI-X table (without which interrupts obviously
> > can't get enabled for that device).
> >
> > Albeit - even in the SLES case only qemu sees such writes, so I'll
> > have to check if I made a mistake with the debugging patch.
> >
>
> Jan, do you have any other suggestions on how could I dig into this issue?
>
> Quan
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