On 11/13/2012 11:04 AM, Li, Sibai wrote: > > >> -----Original Message----- >> From: Jason Gao [mailto:[email protected]] >> Sent: Tuesday, November 13, 2012 5:38 AM >> To: [email protected]; Rose, Gregory V; Li, Sibai >> Cc: [email protected]; Kirsher, Jeffrey T; linux-kernel; netdev; kvm; e1000- >> [email protected]; [email protected]; Yinghai Lu >> Subject: Re: SR-IOV problem with Intel 82599EB (not enough MMIO resources >> for SR-IOV) >> >> 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<[email protected]> 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<[email protected]> 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 Sibai is referring to kernel config options. RHEL6.3 has the IOMMU options built into the kernel, but not enabled by default -- have to add 'intel_iommu=on' to the kernel cmdline to enable IOMMU. SRIOV support (CONFIG_IOV) is built into the RHEL6.3 kernel as well.
>> 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? > > I am using RHEL6.3 with unstable kernel 3.7.0-rc > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
