From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: thunderx sgmii interface hang
Date: Wed, 13 Dec 2017 20:43:47 +0100
Message-ID: <20171213194347.GA932@lunn.ch>
References: <CAJ+vNU3UwuTrDqoDZNavEqSG_gs3=bpWRzmsp-ao3fsYvMoY2g@mail.gmail.com>
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Cc: netdev <netdev@vger.kernel.org>,
        Sunil Goutham <sgoutham@cavium.com>
To: Tim Harvey <tharvey@gateworks.com>
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> The nic appears to work fine (pings, TCP etc) up until a performance
> test is attempted.
> When an iperf bandwidth test is attempted the nic ends up in a state
> where truncated-ip packets are being sent out (per a tcpdump from
> another board):

Hi Tim

Are pause frames supported? Have you tried turning them off?

Can you reproduce the issue with UDP? Or is it TCP only?

    Andrew