On Wed, 3 Feb 2021 16:05:40 +0000 Pierre Cheynier wrote:
> On Wed, 3 Feb 2021 16:25:12 +0100 Pierre Cheynier wrote:
> > On Wed, 3 Feb 2021 15:23:54 +0100 Sokolowski, Jan wrote:
> >
> > > It has been mentioned that the error only appeared recently, after
> > > upgrade to 5.10.X. What's the last known working configuration it was
> > > tested on? A bisection could help us investigate.
> >
> > I unfortunately moved from one LTS to another, meaning I was in 5.4 before,
> > and this UDP tunnel offloading feature landed in 5.9 as far as I know.
> >
> > Maybe Jakub can give pointers to specific 5.9 or 5.10 kernel versions I can
> > eventually try, so that I can help refine where this was introduced (or if
> > it was present from the start)?
>
> So I think I was incorrect, the support of this infrastructure for i40e
> appears in 5.10.
> From what I'm seeing, and Jakub will confirm, I think this started with the
> initial implementation for i40e (see
> 40a98cb6f01f013b8ab0ce7b28f705423ee16836).
Yup! I'm pretty sure it's my conversion. The full commit quote upstream:
40a98cb6f01f ("i40e: convert to new udp_tunnel infrastructure")
It should trigger if you have vxlan module loaded (or built in)
and then reload or re-probe i40e.
Let us know if you can't repro it should pop up pretty reliably.
