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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: mxs: Do not reconfigure FEC clock in FEC init
Date: Wed, 16 Oct 2013 16:06:19 +0200	[thread overview]
Message-ID: <201310161606.19945.marex@denx.de> (raw)
In-Reply-To: <525E57FF.1020903@denx.de>

Dear Stefano Babic,

> Hi Marek,
> 
> On 15/10/2013 23:19, Marek Vasut wrote:
> > Forget this, the issue is still present. Damn!
> > 
> > It's at least a little clearer to me what happens now. The FEC fails to
> > transmit an TFTP block ACK packet -> the server waits 5 seconds -> sends
> > ARP packet -> FEC replies and resends the TFTP block ACK again. Why does
> > the FEC swallow a TX packet, I don't know.
> 
> Anyway, it is strange that this happens only with this board. It appears
> as the SOC sends or thinks to have sent, but the packet is corrupted or
> not sent at all on the physical layer. Maybe you can check on the other
> side of the connection on the switch and/or on the server, if some
> errors are detected.

This happens on multiple boards and we're sometimes getting reports about this 
issue. So this is not a single board issue. Maybe we should figure out what do 
these boards have in common.

Best regards,
Marek Vasut

      reply	other threads:[~2013-10-16 14:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-13 15:20 [U-Boot] [PATCH] ARM: mxs: Do not reconfigure FEC clock in FEC init Marek Vasut
2013-10-13 20:20 ` Marek Vasut
2013-10-14  7:46 ` Hector Palacios
2013-10-14  8:17 ` Hector Palacios
2013-10-14  8:34 ` Stefano Babic
2013-10-15 21:19   ` Marek Vasut
2013-10-16  9:10     ` Stefano Babic
2013-10-16 14:06       ` Marek Vasut [this message]

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