[dpdk-users] Cannot set link up after binding with igb_uio

[Muhammad Zain-ul-Abideen]

Kindly update the i40 driver. I faced a similar issue with X710. It does
that some time. Updating/Downgrading driver does the trick

On Thu, Jan 9, 2020, 11:21 PM Vincent Li <vincent.mc.li at gmail.com> wrote:

> On Thu, Jan 9, 2020 at 5:43 AM Archit Pandey <architpandeynitk at gmail.com>
> wrote:
> >
> > Hello team,
> >
> > Weirdly this issue gets resolved upon resetting the NICs. Which has led
> me
> > to believe that the problem lies in how the NICs are configured. I'm
> > working with Intel x701 NIC with the i40e driver. By any chance is this a
> > known issue with these NICs or driver?
> >
> how did you reset the NIC? could you please be more specific? there is
>  fix for ixgbe link status from searching driver commit log, but not
> for i40e driver. could you recompile the dpdk with
> CONFIG_RTE_LIBRTE_ETHDEV_DEBUG=y  ? it is in
> <path-to-dpdk>/x86_64-native-linuxapp-gcc/.config
> re-insert the igb_uio, re-bind the NIC after enabling the DEBUG.
>
> you can also try using vfio other than igb_uio
>
>
>
>
> > I have tried upgrading my i40e driver to the recommended version v2.9.21
> > for dpdk 19.11, however that did not work.
>
>
> did any previous dpdk version work other than dpdk 19.11 ?
>
> >
> >
> > I would really appreciate help in debugging this issue.
> >
>
> usually more detail/steps you provided would be helpful to
> troubleshoot the issue
>