[Intel-wired-lan] [5.10] i40e/udp_tunnel: RTNL: assertion failed at net/ipv4/udp_tunnel_nic.c

Pierre Cheynier p.cheynier at criteo.com
Wed Feb 3 16:05:40 UTC 2021


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).

--
Pierre


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