From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?H=c3=a5kon_Alstadheim?= Subject: Re: [v2][PATCH] xen/vtd/iommu: permit group devices to passthrough in relaxed mode Date: Thu, 10 Sep 2015 13:22:19 +0200 Message-ID: <55F167EB.2050809@alstadheim.priv.no> References: <1441763998-4937-1-git-send-email-tiejun.chen@intel.com> <55EFF3CE02000078000A1150@prv-mh.provo.novell.com> <55F11953.7040002@intel.com> <55F163A9.3080507@alstadheim.priv.no> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <55F163A9.3080507@alstadheim.priv.no> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Den 10. sep. 2015 13:04, skrev H=E5kon Alstadheim: > Den 10. sep. 2015 08:06, skrev Tian, Kevin: >>> From: Chen, Tiejun >>> Sent: Thursday, September 10, 2015 1:47 PM >>> >>> But recently someone was encountering this problem. >>> >>> http://www.gossamer-threads.com/lists/xen/devel/391684?page=3Dlast >>> >>> We'd better figure out a simple way to this regression. >>> >> I'm not sure how popular that motherboard is used... > I've got the same devices on Asus Z10PE-D8 WS. Probably used > by several motherboard-manufacturers. To be very precice: I've got _similar_ devices in my motherboard chipset. Thus we know Intel chipset C200 has this issue, and I am fairly certain that C610/X99 also has this issue.