On 03/05/2019 01:07, Timothy Froehlich wrote: > We've had a problem the past few days that we've traced back to U-Boot. > We're generating images using Yocto with Mender's update routine. The issue > is the first time a clean image is booted on a Raspberry Pi, the mac > address gets permanently saved to the ethaddr env variable. It's a > combination of this line: > > https://github.com/u-boot/u-boot/blob/b4ee6daad7a2604ca9466b2ba48de86cc27d381f/board/raspberrypi/rpi/rpi.c#L348 > > and what I'm pretty sure is Mender doing a "saveenv" on first boot. If you > move the SD card to a different Raspberry Pi, it will boot up with the mac > address of the first Raspberry Pi. >
What you would need to do is, delete ethaddr before booting on a different board. I suppose your problem is, that you want to use the same image on different boards and find yourself with the same address. Correct? > I'm not sure what the best long-term solution will be but I can make a > patch for my purposes to just always set ethaddr to usbethaddr. > Well that would omit the possibility to use other MAC addresses then the one in the RPi firmware. Regards, Matthias > So I guess i'm emailing this in to report an issue and maybe help anyone > else who runs into this issue. > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
