Hi Hans, >> On 9 September 2014 06:40:54 GMT+08:00, Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> wrote: >>> I do not have this behaviour on the Cubieboard2, just on my Cubietruck. >>> >>> I thought it was a problem with the F21 build, but today I am working >>> with F19 remix: >>> >>> http://docs.cubieboard.org/tutorials/cb2/installation/cb2_fedora_19_card_install >>> >>> And I keep getting a different MACaddr. This makes it really hard to >>> use persistant.rules to control things based on MACaddr. >>> >>> Is this just my particular Cubietruck? I remember Hans talking about >>> since there is no eeprom, he has to use SID as the basis for the >>> MACaddr. >>> >>> Is there anyway for me to set the MACaddr. It is eating up all my dhcp >>> >>> addresses. >> >> There are rules for what constitutes a valid mac address, if yours in invalid the kernel driver will assign you a random one, and then it looks like a new machine every time. >> >> You can force the mac address in userland /etc/rc.d/rc.local using /sbin/nameif + /etc/mactab, it's dirty but it will get you out of the hole if it runs before the dhclient action poisons your dhcp server. >> >> If the network driver uses phylib, there is a generic Device Tree name you can use like this inside the ethernet stanza to force it >> >> local-mac-address = [ aa bb cc dd ee ff ]; >> >> if so, you can think about adding / overriding that DT node in U-Boot before passing to kernel. >> >> I sent patches on lkml to improve this a couple of years ago (for Panda, which has no nonvolatile config onboard) by replacing an invalid MAC with computing a consistent per-board MAC from CPU serial ID but The Powers That Be felt it should be fixed by the distros... which as you see... > > This has been solved in u-boot in the mean time, u-boot now a days calculates a unique mac > derived from the CPU serial id, and passes this to the kernel. Is this just on sunxi based devices or on all devices that have ethernet without MAC addresses? Peter _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm