I'm very sorry for delayed reply.now SR-IOV works for me in Centos 6.3,thank all of you.
On Fri, Nov 9, 2012 at 11:26 PM, Bjorn Helgaas <bhelg...@google.com> wrote: > Linux normally uses the resource assignments done by the BIOS, but it > is possible for the kernel to reassign those. We don't have good > automatic support for that yet, but on a recent upstream kernel, you > can try "pci=realloc". I doubt this option is in CentOS 6.3, though Thank you very much,I try "pci=realloc" in Centos 6.3,and now it works for me. On Sat, Nov 10, 2012 at 2:08 AM, Li, Sibai <sibai...@intel.com> wrote: > DellR710 with the latest BIOS should work fine for SR-IOV. My BIOS is v.6.3.0 > and release date is 07/24/2012 > Please check if you configured intel_iommu=on in the grub.conf file. > If you did, check your kernel .config file under Device Drivers-> IOMMU > Hardware support->enable Support for Intel IOMMU using DMA remapping Devices, > enable Intel DMA Remapping Devices by Default, enable Support for Interrupt > Remapping. thank you Sibai,Our server "Dell R710",its BIOS version is just v.6.3.0 and release date is 07/24/2012,and I also configured intel_iommu=on in the grub.conf file,but I can't find these IOMMU options in "Device Drivers" in my kernel(2.6.32-279) .config file , btw my os is Centos 6.3(RHEL6.3),although the problem solved,I'd like to know what's your os version ,kernel version? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
