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Subject: Re: BeagleBone/eMMC boot oddity
From: Ian Lepore <ian@FreeBSD.org>
To: Tim Kientzle <kientzle@FreeBSD.org>
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Date: Sun, 20 Apr 2014 18:24:40 -0600
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On Sun, 2014-04-20 at 16:24 -0700, Tim Kientzle wrote:
> Trying to take advantage of eMMC booting and running into a snag.
> 
> I want to have a large SD card inserted for "extra storage"
> on a BeagleBone that boots and runs the system per se
> from eMMC.  (Idea is to use the BeagleBone as a web server
> where the actual content is stored on the separate SD
> card for easy updating.)
> 
> But when I try booting, I run into this problem:
> 
>   FreeBSD/armv6 U-Boot loader, Revision 1.2
>   (root@t, Sat Apr 12 14:38:27 PDT 2014)
> 
>   DRAM: 512MB
>   MMC Device 2 not found
>   MMC Device 3 not found
>   MMC Device 2 not found
>   Number of U-Boot devices: 3
>   U-Boot env: loaderdev not set, will probe all devices.
>   Found U-Boot device: disk
>     Probing all disk devices...
>     Checking unit=0 slice=<auto> partition=<auto>... good.
>   |
>   can't load 'kernel'
> 
> Basically, because unit=0 exists and has a FreeBSD partition,
> it seems that ubldr is never looking at unit 1 where the actual
> system is installed.
> 
> Any ideas?
> 
> Tim

In your u-boot environment set loaderdev=disk1

--Ian