From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Re: PCI passthrough stopped working, brainache! Date: Tue, 11 Oct 2011 11:54:11 -0400 Message-ID: <20111011155411.GD29349@phenom.oracle.com> References: <1318321932.21903.496.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1318321932.21903.496.camel@zakaz.uk.xensource.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: Ian Campbell Cc: Andy Burns , xen-devel List-Id: xen-devel@lists.xenproject.org > > How can I tell if the iommu=soft is taking effect? > > Anything stupid I sound like I've forgotten? > > It looks as if you have been pretty thorough. > > One thing which is not clear is if you also downgraded all the Xen > utilities/tools packages when you say "Xen packages" or just the > hypervisor itself. (You probably downgraded everything, but I have to > ask). > > Does Fedora (yum?) log which packages which it is upgrading? Is it > possible that e.g. scandvb or the firmware package has also been > upgraded (I admit this is slightly straw-clutching). > > If you don't passthrough a device are you able to drive it from dom0? > > It would probably be useful to post full dmesg output for hypervisor and > both kernels. Andy, I am going to try to see if I can pass in some of my TV cards in my guest too. Perhaps that might shed some light.