From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhao, Yu" Subject: Re: Option iommu=1 causes hypervisor to start debugger Date: Wed, 04 Feb 2009 09:55:51 +0800 Message-ID: <4988F5A7.9040703@intel.com> References: <7969168f0902021542w3cf16d47u314ebed5fd595b7b@mail.gmail.com> <7969168f0902030625s1a652fd3x467d5fa595f8bc21@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <7969168f0902030625s1a652fd3x467d5fa595f8bc21@mail.gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Alexia Benington Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org Which patch are you talking about? Since we can't get any clue from your log, can you please send us the output of `lspci -vvv'? Thanks, Yu Alexia Benington wrote: > Thanks Keir. Perhaps I should try with Yu Zhao's patch and see if that > fixes the problem. > > -Alex > > On Tue, Feb 3, 2009 at 3:06 AM, Keir Fraser wrote: >> It's needed for passing through physical devices to HVM guests. >> >> -- Keir >> >> On 02/02/2009 23:42, "Alexia Benington" wrote: >> >>> If I do not include the iommu option, I/O virtualisation is disabled. >>> I never thought that iommu is a necessary prerequisite for I/O virt, >>> or am I mistaken? >>> >>> -Alex >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> Xen-devel@lists.xensource.com >>> http://lists.xensource.com/xen-devel >> >> > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel