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From: Anthony PERARD <anthony.perard@citrix.com>
To: "Zhang, Yang Z" <yang.z.zhang@intel.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: SRIOV fail to work with Xen 4.4+qemu-xen-dir
Date: Fri, 31 Jan 2014 15:02:20 +0000	[thread overview]
Message-ID: <20140131150219.GE1775@perard.uk.xensource.com> (raw)
In-Reply-To: <A9667DDFB95DB7438FA9D7D576C3D87E0A9CC60C@SHSMSX104.ccr.corp.intel.com>

On Fri, Jan 31, 2014 at 01:40:37PM +0000, Zhang, Yang Z wrote:
> Hi all
> 
> I saw the SRIOV(82576 or 82599) NICs are fail to work with windows
> guest in Xen 4.4+qemu-xen-dir. After the windows 2k8 guest boot up,
> the NIC cannot get ip. And I only saw this issue with qemu-xen-dir.
> Qemu traditional is working well. Any one saw the same issue?
> 
> BTW: I try to bisect which qemu commit introduced the regression, but
> it seems the issue exists from the start of adding VT-d patch to
> upstream Qemu.

My guest is, if it does not work with Xen 4.3 (with qemu-xen), then, it
never worked.

Would this be related to bug #22 (xl does not support specifying virtual
function for passthrough device) http://bugs.xenproject.org/xen/bug/22 ?

-- 
Anthony PERARD

      reply	other threads:[~2014-01-31 15:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-31 13:40 SRIOV fail to work with Xen 4.4+qemu-xen-dir Zhang, Yang Z
2014-01-31 15:02 ` Anthony PERARD [this message]

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