linux-kernel - Re: [PATCH net-next v4 05/12] net: ethernet: oa_tc6: implement error interrupts unmasking

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Date: Thu, 2 May 2024 12:19:25 +0200
From: Ramón Nordin Rodriguez <ramon.nordin.rodriguez@...roamp.se>
To: Parthiban.Veerasooran@...rochip.com
Cc: andrew@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
	saeedm@...dia.com, anthony.l.nguyen@...el.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	corbet@....net, linux-doc@...r.kernel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	devicetree@...r.kernel.org, Horatiu.Vultur@...rochip.com,
	ruanjinjie@...wei.com, Steen.Hegelund@...rochip.com,
	vladimir.oltean@....com, UNGLinuxDriver@...rochip.com,
	Thorsten.Kummermehr@...rochip.com, Pier.Beruto@...emi.com,
	Selvamani.Rajagopal@...emi.com, Nicolas.Ferre@...rochip.com,
	benjamin.bigler@...nformulastudent.ch
Subject: Re: [PATCH net-next v4 05/12] net: ethernet: oa_tc6: implement error
 interrupts unmasking

> I tried to reproduce the issue in my setup with your above applications.
> But surprisingly I couldn't reproduce the issue you are facing.
> 
> One end is Raspberry Pi 4 with lan8651 MAC-PHY and the other end is 
> Raspberry Pi 4 with EVB-LAN8670-USB Stick.
> 
> lan8651 MAC-PHY side:
> ---------------------
> 

Did you run both client and server on both ends? The previous tests I
have done have only sent traffic in one direction, which did not lead to
a live lock.
But both sending and receiving as fast as possible in both directions
trigger the problems on my end.
R