Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 5 Jul 2022 17:27:54 -0700
From:      bob prohaska <fbsd@www.zefox.net>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        Karl Denninger <karl@denninger.net>, freebsd-arm@freebsd.org
Subject:   Re: 13.1R problems on Pi3
Message-ID:  <20220706002754.GB9228@www.zefox.net>
In-Reply-To: <8755F460-D5A5-4ED1-857F-37B894A9B875@yahoo.com>
References:  <20220704003639.GA1165@www.zefox.net> <8820A9EC-A25E-4D0A-9F8F-52114E58B66F@yahoo.com> <6c377413-9430-54d2-3f92-1215055ca30a@denninger.net> <20220704152834.GA1771@www.zefox.net> <7ce87eef-ded5-8b00-3f11-14407b8af78d@denninger.net> <20220704182526.GB1771@www.zefox.net> <212C86C0-17DB-45F5-A59D-8BDC1932378E@yahoo.com> <8755F460-D5A5-4ED1-857F-37B894A9B875@yahoo.com>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20220706002754.GB9228>