OK try this at the u-boot prompt: env default -a env save
and then reset This should reset the u-boot env to the default values and I think this resets the ethaddr variable. Then you write it to the mmc (99% certain). On the next hard reset hopefully it reads the address from the eeprom. Philip On 11/27/20 2:20 PM, Andrew Payne wrote: > Thanks Aneesh but the decompiled dts file has no mention of the exact MAC > address for eth0, but just to read from the eeprom from what I can gather. > Plus an md5sum of the dtb file on the sdimg from Ettus is the same checksum > as an e310 that has booted. > > On Fri, Nov 27, 2020 at 1:40 PM Philip Balister <phi...@balister.org> wrote: > >> On 11/27/20 1:34 PM, aneesh patel via USRP-users wrote: >>> Hi Andrew, >>> The MAC may be in the devicetree blobs in the boot area of the SD image. >>> You will need dtcedit to decompile, edit, and recompile as needed. >> >> I don't think so, since the first time the card boots it does read from >> the i2c eeprom. >> >> I'm guessing u-boot sets the ethaddr env var and saves it in the >> environment, but I forget where that might be saved. Need to review the >> u-boot configuration for setting about the u-boot env (maybe getting >> saved to the sd card). >> >> Anyone from Ettus paying attention? This is a pretty serious problem for >> people copying cards and using them in different units. The correct >> behavior is follow the MAC address programmed into the i2c eeprom. >> >> Philip >> >>> Amp >>> >>> Sent from Yahoo Mail on Android >>> >>> On Fri, Nov 27, 2020 at 1:23 PM, Andrew Payne via USRP-users< >> usrp-users@lists.ettus.com> wrote: >> _______________________________________________ >>> USRP-users mailing list >>> USRP-users@lists.ettus.com >>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>> >>> >>> >>> _______________________________________________ >>> USRP-users mailing list >>> USRP-users@lists.ettus.com >>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>> >> > _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
