[dpdk-dev] ubuntu 14.04 and intel controller 82574L not working

[Burakov, Anatoly]

On 02-Nov-18 9:06 PM, Avinash Chaurasia wrote:
> Hi,
> I am using ubuntu 14.04 with intel controller 82574L and I am neither able
> to send any packets or receive. My dpdk version is 17.11. However, when I
> switched to ubuntu 16.04, it worked with vfio-pci driver. Is something
> wrong with 82574L driver in ubuntu 14.04?
> Thanks
> Avinash Kumar Chaurasia
> 

If it works with vfio-pci driver but not with igb_uio driver, the most 
likely cause is that you were trying to run DPDK with IOMMU enabled 
(kernel command-line "intel_iommu=on iommu=on"). Switching to iommu=off 
or iommu=pt should fix the issue in that case.

-- 
Thanks,
Anatoly