Dear List: Description of problem: After installed Centos 6.3(RHEL6.3) on my Dell R710(lastest bios:Version: 6.3.0,Release Date: 07/24/2012) server,and updated lastest kernel "2.6.32-279.14.1.el6.x86_64",I want to use the Intel 82576 ET Dual Port nic's SR-IOV feature,assigning VFs to kvm guest appended kernel boot parameter: intel_iommu=on,after boot with the following messages: Dec 13 16:58:15 2 kernel: DRHD: handling fault status reg 2 Dec 13 16:58:15 2 kernel: DMAR:[DMA Read] Request device [03:00.0] fault addr ffe65000 Dec 13 16:58:15 2 kernel: DMAR:[fault reason 06] PTE Read access is not set Dec 13 16:58:15 2 kernel: DRHD: handling fault status reg 102 Dec 13 16:58:15 2 kernel: DMAR:[DMA Read] Request device [03:00.0] fault addr ffe8a000 Dec 13 16:58:15 2 kernel: DMAR:[fault reason 06] PTE Read access is not set Dec 13 16:58:15 2 kernel: scsi 0:0:32:0: Enclosure DP BACKPLANE 1.07 PQ: 0 ANSI: 5 Dec 13 16:58:15 2 kernel: DRHD: handling fault status reg 202 Dec 13 16:58:15 2 kernel: DMAR:[DMA Read] Request device [03:00.0] fault addr ffe89000 Dec 13 16:58:15 2 kernel: DMAR:[fault reason 06] PTE Read access is not set full dmesg detail: http://pastebin.com/BzFQV0jU lspci -vvv full detail: http://pastebin.com/9rP2d1br it's a production server,and I'm not sure if this is a critical problem,how to fix it,any help would be greatly appreciated. -- 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
