[U-Boot-Users] Network problem in u-boot.

Wolfgang Denk wd at denx.de
Mon Nov 14 16:12:28 CET 2005

In message <518B77BB6246D54D9E88FC49AFB0389D2F1C41 at seskoptronicmsx.optronic.local> you wrote:
> I make a new post on the same problem since I found out some new info.

Please read the netiquette. It would have been muchbetter to  post  a
follow-up  so  the complete thread of this discussion would have been

> The problem is that sometimes the network in u-boot stops, e.g. just
> getting TTT in a tftp transfer. I foud out that this occurs when another
> packet not involed in the tftp fransfer arrives. It could be a
> TCP-connect attempt from another host to u-boot or a ARP request. With a
> network sniffer I can se that u-boot still send data, but all data
> ariving is never processed. A reset of the board is needed to get it up
> and running again.
> The board is a custom bord whith AMCC440ep based on bamboo. 

I cannot confirm this. I just tested approx. 20 downloads on a bamboo
board without any such problems.

What exactly is your network configuration? 10 / 100 Mbps? FD / HD?
IP addresses? Netmask?

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Every solution breeds new problems.

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