linux-kernel - Re: Regarding tx-nocache-copy in the Sheevaplug

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Message-ID: <20141013142156.GE26864@lunn.ch>
Date:	Mon, 13 Oct 2014 16:21:56 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Lluís Batlle i Rossell <viric@...ic.name>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Carles Pagès <page@...ata.homelinux.net>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: Regarding tx-nocache-copy in the Sheevaplug

On Mon, Oct 13, 2014 at 12:52:46PM +0200, Lluís Batlle i Rossell wrote:
> Hello,
> 
> on the 7th of January 2014 ths patch was applied:
> https://lkml.org/lkml/2014/1/7/307
> 
> [PATCH v2] net: Do not enable tx-nocache-copy by default
>         
> In the Sheevaplug (ARM Feroceon 88FR131 from Marvell) this made packets to be
> sent corrupted. I think this machine has something special about the cache.

Hi Lluís

Please could you describe your test setup. I would like to try to
reproduce the problem. I have a machine based on kirkwood 6282 and the
same ethernet.

Thanks
	Andrew
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