Subject: Re: thunderx sgmii interface hang

From: Andrew Lunn <[email-masked]>
Date: Wed, 13 Dec 2017 20:43:47 +0100

> 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