netdev - Re: [PATCH net 0/2] net: marvell: Fix highmem support on non-TSO path

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Date:	Thu, 22 Jan 2015 23:06:23 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Dean Gehnert <deang@....com>
Cc:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
	B38611@...escale.com, fabio.estevam@...escale.com
Subject: Re: [PATCH net 0/2] net: marvell: Fix highmem support on non-TSO path

On Thu, Jan 22, 2015 at 09:49:10PM +0000, Russell King - ARM Linux wrote:
> On Thu, Jan 22, 2015 at 01:27:31PM -0800, Dean Gehnert wrote:
> > Can you can try the SOCAT test on your Dove platform and see if that passes
> > the non-cache line aligned test case? I think what the SOCAT test does is
> > take the NFS "variable" out of the equation. My theory is that if there is a
> > DMA corruption, then hard telling what kinds of problems will occur. It
> > might be the payload of a file is corrupted, or if the NFS structures are
> > corrupted, it could manifest itself as a problem in the NFS code.
> 
> Anyway, I'm running the test now, but I had to change the socat line to:
> 
> # socat -b$(((1024*10)+1)) -u open:ExpectData.in TCP:192.168.1.212:4000
> 
> The receiving end is getting:
> 
> 4a4727232209b85badc1ca25ed4df222  -
> 4a4727232209b85badc1ca25ed4df222  -
> 4a4727232209b85badc1ca25ed4df222  -
> 4a4727232209b85badc1ca25ed4df222  -
> 4a4727232209b85badc1ca25ed4df222  -
> ...

It's been running for about an hour now with no sign of any problem.

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