Hi All, I am facing a very strange problem. I have a MINI2440 SBC which I am connecting to my laptop with Ubuntu11.04. I have downloaded the Uboot configured for mini2440 and its version is 1.3.2. I have successfully transferred the Uboot code on the SBC. But when I am trying to do a TFTP from the SBC to my laptop its failing. I have enabled debug prints in Uboot and am monitoring packets received on Wireshark on my laptop. I see that uboot sends ARP requests and the Host replies back, but these are not acknowledged by the Uboot on SBC. Eventually it timeouts. Ping also fails. Then I connected my SBC to windows Xp based Host machine and in this case when Uboot sent out ARP requests these were received and acknowledged by Uboot and accordingly a ping was successful. My ubuntu based laptop was also able to ping to my windows machine and viceversa. The wireshark dumps for ARP replies from both Ubuntu and Windows to the Uboot looked the same with the source MAC address being different. So I am missing some configuration on my Ubuntu11.04 or what else could be the problem.
Thanks & Regards.
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