> The BIOS in your machine doesn't support SR-IOV. You'll need to ask the manufacturer for a BIOS upgrade, if in fact one is available. Sometimes they're not. very thanks Greg,my server Dell R710 with latest BIOS version and option for SR-IOV(SR-IOV Global Enable->Enabled) opened,I'm confused that Does R710 provide full support for SR-IOV, kernel or ixgbe driver's bug? but I'm not sure where the problem lies,anyone has any experience about this? . -- 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