From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Intel S3420GPLX VT-d VF question Date: Wed, 8 Dec 2010 11:32:18 -0500 Message-ID: <20101208163217.GA18739@dumpdata.com> References: <30410a64d335f82097af217b0ed7d060@mail.ark-net.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <30410a64d335f82097af217b0ed7d060@mail.ark-net.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Michael A. Collins" Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Dec 07, 2010 at 11:52:24PM -0500, Michael A. Collins wrote: > I have successfully booted xen on Fedora 14 x86_64 with iommu=force Ok.. Um, what Fedora kernel are we taking about here? Do you have the full serial log? > on the kernel line, I can unbind a pci device and rebind to pci-stub > and see it with xm pci-list-assignable-devices. That's cool. Now I > have an Intel 82576 dual-port ET Adapter that supports SR-IOV and > started configuring everything to enable it's virtual functions: > added pci_pt_e820_access=on to the module line that contains the > vmlinuz Why? It doesn't automatically load without that parameter? > created igb.conf under /etc/modprobe.d with options igb max_vfs=7 > added blacklist igbvf to /etc/modprobe.d/blacklist.conf Why blacklist it? > > I was under the impression that I should see some kind of message > about MMCONFIG in xm dmesg, but there isn't anything. I do a xm > dmesg | grep -i pci and it finds nothing with MMCONFIG. I guess my Huh? Why? Do you see the 7 ethernet PCI device being created? > next question is what do I do next? How do I troubleshoot further? What are you trying to troubleshoot? Did you lspci output change after you loaded the igbvf? > Below is the VT-d messages from xm dmesg: > (XEN) Intel VT-d Snoop Control supported. > (XEN) Intel VT-d DMA Passthrough not supported. > (XEN) Intel VT-d Queued Invalidation supported. > (XEN) Intel VT-d Interrupt Remapping not supported. > > Does MMCONFIG have something to do with the fact the Interrupt > Remapping not supported message is displayed? No. It just means your VT-D chipset does not support interrupt remapping. > Mike > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel