>-----Original Message----- >From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of Kapil >Adhikesavalu >Sent: Tuesday, August 9, 2016 10:46 AM >To: d...@openvswitch.org; discuss@openvswitch.org >Subject: [ovs-discuss] OVS DPDK VFIO error > >Hi, > >On a Intel xeon E5-2697 chip with iommu turned on with Intel NIC 82599, i am >getting the following error while doing the NIC binding using VFIO. >kernel: 4.23 fedora 23, i haven't tried the latest kernel yet. > >E5-2697 supports IOMMU VT-d I hope you have already enabled VT-d in BIOS, can you check 'dmesg | grep -e DMAR -e IOMMU'.
> >VFIO NIC binding steps, >modprobe vfio-pci >sudo /usr/bin/chmod a+x /dev/vfio >sudo /usr/bin/chmod 0666 /dev/vfio/* >$DPDK_DIR/tools/dpdk_nic_bind.py --bind=vfio-pci 0000:04:00.0 >$DPDK_DIR/tools/dpdk_nic_bind.py --status >Error >===== >EAL: Detected 48 lcore(s) >EAL: Probing VFIO support... >EAL: IOMMU type 1 (Type 1) is supported >EAL: IOMMU type 8 (No-IOMMU) is not supported >EAL: VFIO support initialized > >EAL: Master lcore 1 is ready (tid=83504bc0;cpuset=[1]) >EAL: PCI device 0000:04:00.0 on NUMA socket 0 >EAL: probe driver: 8086:154d rte_ixgbe_pmd >EAL: set IOMMU type 1 (Type 1) failed, error 1 (Operation not permitted) >EAL: set IOMMU type 8 (No-IOMMU) failed, error 19 (No such device) >EAL: 0000:04:00.0 failed to select IOMMU type >EAL: Error - exiting with code: 1 > Cause: Requested device 0000:04:00.0 cannot be used > >dmesg: >====== >[ 0.997461] DMAR: Ignoring identity map for HW passthrough device >0000:00:1f.0 [0x0 - 0xffffff] >[ 0.997465] DMAR: Intel(R) Virtualization Technology for Directed I/O >[ 1.351801] DMAR: 32bit 0000:00:1a.0 uses non-identity mapping >[ 1.362623] DMAR: 32bit 0000:00:1d.0 uses non-identity mapping >[ 1.373601] DMAR: 32bit 0000:01:00.4 uses non-identity mapping >[ 297.035504] vfio-pci 0000:04:00.0: Device is ineligible for IOMMU domain >attach due to platform RMRR requirement. Contact your platform vendor. > > >[root@localhost bin]# cat /proc/cmdline >BOOT_IMAGE=/vmlinuz-4.2.3-300.fc23.x86_64 root=/dev/mapper/fedora- >root ro rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet >default_hugepagesz=1G hugepagesz=1G hugepages=16 hugepagesz=2M >hugepages=2048 iommu=pt intel_iommu=on I don’t see any problem with your cmdline as iommu=pt and intel_iommu is added. Regards, Bhanu Prakash. > >demsg | grep 10G - 82599 controller >04:00.0 Ethernet controller: Intel Corporation Ethernet 10G 2P X520 Adapter >(rev 01) >04:00.1 Ethernet controller: Intel Corporation Ethernet 10G 2P X520 Adapter >(rev 01) > >Regards >Kapil. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
