On Mon, Nov 06, 2017 at 01:04:56AM +0000, Hao, Xudong wrote: > > -----Original Message----- > > From: Roger Pau Monné [mailto:roger....@citrix.com] > > Sent: Friday, November 3, 2017 7:23 PM > > To: Hao, Xudong <xudong....@intel.com> > > Cc: Julien Grall <julien.gr...@linaro.org>; Stefano Stabellini > > <sstabell...@kernel.org>; Lars Kurth <lars.ku...@citrix.com>; Quan Xu > > <quan....@gmail.com>; Kang, Luwei <luwei.k...@intel.com>; Zhang, > > PengtaoX <pengtaox.zh...@intel.com>; Julien Grall <julien.gr...@arm.com>; > > Jan Beulich <jbeul...@suse.com>; Xen-devel <xen-de...@lists.xenproject.org>; > > Anthony PERARD <anthony.per...@citrix.com>; Wei Liu <wei.l...@citrix.com> > > Subject: Re: [Xen-devel] [BUG] win2008 guest cannot get ip through sriov > > > > On Fri, Nov 03, 2017 at 01:10:26AM +0000, Hao, Xudong wrote: > > > > > > > -----Original Message----- > > > > From: Julien Grall [mailto:julien.gr...@linaro.org] > > > > Sent: Thursday, November 2, 2017 9:50 PM > > > > To: Stefano Stabellini <sstabell...@kernel.org> > > > > Cc: Hao, Xudong <xudong....@intel.com>; Jan Beulich > > > > <jbeul...@suse.com>; Quan Xu <quan....@gmail.com>; Lars Kurth > > > > <lars.ku...@citrix.com>; Wei Liu <wei.l...@citrix.com>; Zhang, > > > > PengtaoX <pengtaox.zh...@intel.com>; Kang, Luwei > > > > <luwei.k...@intel.com>; Julien Grall <julien.gr...@arm.com>; Anthony > > > > PERARD <anthony.per...@citrix.com>; Xen-devel <xen- > > > > de...@lists.xenproject.org> > > > > 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....@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? > > > > >> > > > > >> 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 > > > > Can you please make sure you have QEMU commit a80363: xen/pt: allow QEMU > > to request MSI unmasking at bind time. AFAICT this is not yet in the > > qemu-xen > > tree. > > > > Roger, > Maybe I misunderstood of your question and my last mail confused you. > Qemu-xen didn't have commit a80363, so I report this issue to ask for sync up > with qemu upstream. Last mail I mean I usually used Qemu Xen tree to do test, > and found out this issue.
Before requesting the backport, have you tested whether it fixes your issues? Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
