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Message-ID: <65c53bfad8669_1c6ed32946@willemb.c.googlers.com.notmuch>
Date: Thu, 08 Feb 2024 15:39:22 -0500
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Paolo Abeni <pabeni@...hat.com>, 
 netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, 
 Shuah Khan <shuah@...nel.org>, 
 Willem de Bruijn <willemb@...gle.com>, 
 Vinicius Costa Gomes <vinicius.gomes@...el.com>, 
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net] selftests: net: wait for receiver startup in
 so_txtime.sh

Paolo Abeni wrote:
> The mentioned test is failing in slow environments:
> 
>   # SO_TXTIME ipv4 clock monotonic
>   # ./so_txtime: recv: timeout: Resource temporarily unavailable
>   not ok 1 selftests: net: so_txtime.sh # exit=1
> 
> The receiver is started in background and the sender could end-up
> transmitting the packet before the receiver is ready, so that the
> later recv times out.
> 
> Address the issue explcitly waiting for the socket being bound to
> the relevant port.
> 
> Fixes: af5136f95045 ("selftests/net: SO_TXTIME with ETF and FQ")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>

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