Hi Owen, Yes tried all of that....... We get the same failure on the DM355 in u-boot where we have set static IP addresses for DM355 & TFTP server. The file transfer fails. One reboot/power cycle later & it will work fine. It is driving us nuts! I have tried different switches, cables, DHCP servers and the 'fault' follows the DM355s. Using the same hardware (cables switches) other target boards we have manage to work without issue. I must admit that I didn't check to see if the link light was on when the ethernet appears to fail. Of course because I wanted it to fail it wouldn't do it just now. Regards Phil Q Phil Quiney, Senior Software Engineer Trinity Convergence Cambridge Business Park Cowley Road Cambridge CB4 0WZ, UK T: +44(0)1223-435536 F: +44(0)1223-435560 www.trinityconvergence.com <http://www.trinityconvergence.com/>
________________________________ From: Chu, Owen [mailto:[EMAIL PROTECTED] Sent: 26 March 2008 16:10 To: Phil Quiney; [email protected] Subject: RE: DM355 Ethernet Start failure Phil, Are you sure the first 2 scenarios are not due to DHCP problem? If the EVM is able to send DCHP request then it means Ethernet is OK. Connect the EVM Ethernet port thru a hub/switch to see if the LED comes on (detecting the carrier). For u-boot, you can try the similar thing (thru a hub/switch) to see if Ethernet comes on when you issue a prompt command (e.g. ping). Regards, Owen ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Phil Quiney Sent: Wednesday, March 26, 2008 9:35 AM To: [email protected] Subject: DM355 Ethernet Start failure Hi, We have 2 DM355 Boards and both show a problem where the ethernet sometimes fails to come up when the board boots. Do other people see this? If you boot a Linux kernel from FLASH with NFS root filesystem it gets as far as the DHCP request for its IP address (kernel autoconfig) and never gets an address. Booting with a FLASH kernel and FLASH filesystem with no kernel autoconfig but 'dhcpcd' enabled, again the DHCP request is never answered. Also, just booting into u-boot can fail to transfer files (static addresses of DM355 & TFTP server). In all cases rebooting, pressing the reset button or power cycling the board usually fixes it. Regards Phil Q Phil Quiney, Senior Software Engineer Trinity Convergence Cambridge Business Park Cowley Road Cambridge CB4 0WZ, UK T: +44(0)1223-435536 F: +44(0)1223-435560 www.trinityconvergence.com <http://www.trinityconvergence.com/>
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