Re: 13.1R problems on Pi3
- Reply: Mark Millard : "Re: 13.1R problems on Pi3"
- In reply to: Mark Millard : "Re: 13.1R problems on Pi3"
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Date: Wed, 06 Jul 2022 00:27:54 UTC
On Mon, Jul 04, 2022 at 01:29:59PM -0700, Mark Millard wrote: > [This ends with a possible config.txt way to control the > default Ether MAC address used, independent of which OS > happens to be running. Possibly better than using the > only-FreeBSD technique.] > > > Did you get the two RPi3*'s in the same purchase? Ending up with > 2 that both happen to have b8:27:eb:71:46:4e seems odd unless > possibly the means of setting the values at the factory was > not varying the values like it should in some production lot (or > over some range of lots). Independent purchases at different > times would make it seem even odder. > Oddness won this round. They were bought in 2016 and 2018 > > > I've found references to an undocumented control in config.txt : > > force_mac_address=??:??:??:??:??:?? > > See, for example, https://forums.raspberrypi.com/viewtopic.php?t=327562 > > Apparently, force_mac_address controls what value shows up in > the device tree for what the ethernet0 alias points to in the > device tree. > > Note that having a odd .dtb file could lead to force_mac_address > not working. (The RPi* firmware reads the file and then makes > a device tree with some modifications applied.) > With the files on the 13.1R image force_mac_address seems to work. Thank you very much! bob prohaska