F.Vanalme at TELEVIC.com
Tue Mar 1 07:47:29 EST 2011
> -----Original Message-----
> From: barebox-bounces at lists.infradead.org [mailto:barebox-
> bounces at lists.infradead.org] On Behalf Of Vanalme Filip
> Sent: dinsdag 1 maart 2011 13:24
> To: barebox at lists.infradead.org
> Subject: UART
> (i.MX27 board)
> When I start a tftp transfer from the Barebox command prompt (or a ping), I (almost)
> always first get an error message on the console output :
> error frame: 0xa7b058f0 0x00000882
> After that, the tftp seems to continue as expected. File gets transferred and looks
> As far as I can see (in fec_imx.c), the error indicates a FIFO overrun. Seems to
> make no sense at the beginning of a transfer...
> Any idea if it's normal that this message appears at the beginning of a network
> related command ?
> I don't think it has any influence on the following communication. However,
> sometimes I notice some delay between executing the command and the real start
> of the communication. Maybe there's a kind of timeout to recover from that error ?
It seems I don't get that "error frame" message if I execute network commands (i.e. ping or tftp) immediately one after the other. The moment there are some seconds between two commands, I have the message. As if invalid data is coming in during "idle" condition and filling the receive buffer.
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