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Date:   Tue, 22 Sep 2020 11:35:57 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     "Brown, Aaron F" <aaron.f.brown@...el.com>
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
Subject: Re: [Intel-wired-lan] [PATCH net-next v1 4/7] selftests: net: add a
 test for shared UDP tunnel info tables

On Tue, 22 Sep 2020 17:34:41 +0000 Brown, Aaron F wrote:
> I should have tunneling enabled as modules, config I was using in
> it's entirety (started with a `make localmodconfig` on a Red Hat
> EL8.x box then started adding modules as needed, so I expect I am
> missing something :)  config follows:

No luck :(

# ./udp_tunnel_nic.sh 
PASSED all 435 checks

Since your failures are on port 1 - which is the config where the
driver sleeps I wonder if this is not a race condition of some sort.

Could you try poking at the values in function check_tables?
The sleep lengths and the retries?

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