On 2018-03-01 19:40, Alexander Duyck wrote: > On Thu, Mar 1, 2018 at 8:12 AM, <p...@codeaurora.org> wrote: > > + intel-wired-...@lists.osuosl.org > > > > > > On 2018-03-01 21:41, p...@codeaurora.org wrote: > >> > >> Hi All, > >> > >> I am facing the following issue on kernel 4.14.14. > >> > >> Enable SRIOV on Intel x710 card. > >> echo 32 > /sys/class/net/eth1/device/sriov_numvfs > >> start net_pool > >> virsh net-start intel_pool > >> > >> case 1) > >> attach the VF while creatig VM: > >> virt-install --accelerate --import --disk /home/disk.img --network > >> network=intel_pool --boot uefi --name poza-guest --os-type linux > >> --os-variant rhel7 --ram 8000 --vcpus 4 > >> > >> case 2) > >> create VM: > >> virt-install --accelerate --import --disk /home/disk.img --boot uefi > >> --name poza-guest --os-type linux --os-variant rhel7 --ram 8000 > >> --vcpus 4 > >> attach it: > >> virsh attach-interface --domain oza-guest --type network --source > >> intel_pool --target eth1 > >> > >> kernel logs: > >> [44287.825287] i40evf 0000:01:02.0: Unable to send opcode 2 to PF, err > >> I40E_ERR_QUEUE_EMPTY, aq_err OK > >> [44287.962640] i40e 0000:01:00.0: VF 0 still in reset. Try again. > >> error: Failed to attach interface > >> error: Cannot set interface MAC/vlanid to 52:54:00:e9:f1:b5/0 for > >> ifname eth1 vf 0: Resource temporarily unavailable > >> > >> > >> The same use case works with following card with the same kernel > >> version and rootfs. > >> Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx] > >> > >> for details logs please have a look at > >> https://bugzilla.kernel.org/show_bug.cgi?id=198959 > >> > >> Regards, > >> Oza. > > So the first question that jumps to mind is what is the firmware > version on the PF, ethtool -i should tell you. Are there any issues > bringing up the PF and getting it to pass traffic?
There's a patch on Intel-wired-lan titled "i40e: Fix attach VF to VM issue" which should fix the problem. It's not upstream yet. As a workaround you could unload/blacklist the i40evf driver in the host. Stefan
