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

Stefan Roese sr at denx.de
Mon Nov 14 16:19:31 CET 2005


On Monday 14 November 2005 16:12, Wolfgang Denk wrote:
> > 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?

And do you use a valid MAC address? Did you try to enable debugging in the 4xx 
ethernet driver? If not, please do this and post some results here.

Viele Grüße,
Stefan




More information about the U-Boot mailing list