> -----Original Message----- > From: Jason Gao [mailto:pkill.2012@xxxxxxxxx] > Sent: Tuesday, November 13, 2012 5:38 AM > To: bhelgaas@xxxxxxxxxx; Rose, Gregory V; Li, Sibai > Cc: ddutile@xxxxxxxxxx; Kirsher, Jeffrey T; linux-kernel; netdev; kvm; e1000- > devel@xxxxxxxxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; 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 <bhelgaas@xxxxxxxxxx> 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.li@xxxxxxxxx> 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? I am using RHEL6.3 with unstable kernel 3.7.0-rc -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
