FreeBSD 12 r312227 dont boots on Beaglebone black

Oleksandr Tymoshenko gonzo at bluezbox.com
Wed Jan 25 22:13:59 UTC 2017


Otacílio (otacilio.neto at bsd.com.br) wrote:
> Dears
> 
> I'm trying boot a FreeBSD12-armv6-r312227 
> (u-boot-beaglebone-2017.01.00.1) on a beaglebone black. The snapshot 
> FreeBSD-12.0-CURRENT-arm-armv6-BEAGLEBONE-20170105-r311461.img that I 
> downloaded from 
> ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/12.0/ 
> works fine, but when I try boot the image that I build on my machine 
> using crouchet I get:
> 
> U-Boot SPL 2017.01-rc3 (Jan 22 2017 - 23:17:18)
> Trying to boot from MMC1MMC partition switch failed
> *** Warning - MMC partition switch failed, using default environment
> 
> reading u-boot.img
> reading u-boot.img
> 
> And boot stops. Someone can confirm that the revision 312227 is working 
> fine?

I did some digging at the breakage is caused by this commit in U-Boot:
https://www.mail-archive.com/u-boot@lists.denx.de/msg234317.html

Crochet is using FAT12 for Beaglebone Black. Switching to FAT16 fixes
the problem. Try applying this patch to crochet and re-build image:

https://people.freebsd.org/~gonzo/patches/crochet-bbb-fat16.diff

-- 
gonzo


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