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I'm having issues on creating VF with ubuntu 18.04. SR-IOV is enabled from BIOS, the NIC are Intel X550, I added intel_iommu=on to /etc/default/grub and also tried using modprobe.d
by adding options ixgbe max_vfs=8 on /etc/modprobe.d/ixgbe.conf

But if I check using lspci | grep -i ethernet I only get the physical cards. I have also tried:

# echo '7' > /sys/class/net/eno1/device/sriov_numvfs
bash: /sys/class/net/eno1/device/sriov_numvfs: Permission denied

Is the configuration correct?

From dmesg I get:

$ dmesg | grep iov
[  137.321216] ixgbe 0000:19:00.0 0000:19:00.0 (uninitialized): Failed to enable PCI sriov: -38
[  138.295030] ixgbe 0000:19:00.1 0000:19:00.1 (uninitialized): Failed to enable PCI sriov: -38
[  139.263114] ixgbe 0000:1a:00.0 0000:1a:00.0 (uninitialized): Failed to enable PCI sriov: -38
[  140.227147] ixgbe 0000:1a:00.1 0000:1a:00.1 (uninitialized): Failed to enable PCI sriov: -38

If may be usedfull here you can find the dmesg | grep iommu and the full dmesg

Many thanks. Gabriele

Gabriele
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2 Answers2

3

I solved this, was a lack of documentation from Dell side. I had to enable also SR-IOV for each NIC, in the Device Settigs from the System Configuration, the global enabler is not enough.

Gabriele
  • 61
0

Do you have the correct kernel module: "ixgbevf" loaded? Check with lsmod

If not you can do so manually modprobe -i ixgbevf and make that persistent by adding a line containing that module to /etc/modules

HBruijn
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