Konrad Rzeszutek Wilk
2011-Feb-28 19:44 UTC
[Xen-devel] Re: PCI pass-thru (Dom0 2.6.32-stable Debian, Xen 4.0) with 82576 6-port, SR-IOV not working.
On Mon, Feb 28, 2011 at 11:22:57AM -0800, y bhanu wrote:> I am having hard time to get the SR-IOV to work on fc14/debian with xen 4.0.1.You posted this to the wrong mailing list. It should be to xen-devel. Also you are missing the relevant details in the subject line. I fixed those for you.> I am using a xen 2.6,32-stable kernel. > > I have enabled my kernel with all the default options needed for PCI > passthrough and DOM0. > When I launch a DOM-U kernel with a PF (physical function) mapped, I > can see the eth0 device I am able to us .OK, great. What do you mean by DOM-U? Is that HVM or PV? What does your guest configuration file look like?> > But when But when I launch a DOM-U kernel with a VFx (virtual > function) mapped, I can see the eth0 device but cannot use it.Does the VF device work under Dom0? What kernel version are you using for DomU? 2.6.32? Did you try 2.6.38-rc6 for DomU?> I cannot ping anything and it is not usable.Can you get a DHCP address? Do you see the DHCP requests on the DHCP server?> > May be I am missing something pieces. Did anyone have a similar problem? > Am I missing a kernel option / configuration option?Do you have ''iommu=soft'' on your DomU command line? Presumarily yes since you passed in the PF and it worked.> > I am using intel 8-port 82576(SR-IOV capable) card. > > Thanks > Bhanu > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel