Issues to boot snappy on the beaglebone black

Alexander Sack asac at canonical.com
Mon May 18 08:08:00 UTC 2015


Hi,

what beaglebone revision are you using?

On Sat, May 16, 2015 at 12:52 PM, Sujeevan Vijayakumaran
<svij at ubuntu.com> wrote:
> Hey all,
>
> I tried to boot snappy on the beaglebone black and I had a few issues,
> which I resolved, but I don't know why and where the exact problem is.
>
> I followed the installation guide for the beaglebone black[1]. I did this:
>
> $ wget http://releases.ubuntu.com/15.04/ubuntu-15.04-snappy-armhf-bb.img.xz
> $ unxz ubuntu-15.04-snappy-armhf-bb.img.xz
> $ sudo dd if=ubuntu-15.04-snappy-armhf-bbb.img of=/dev/mmcblk0 bs=32M
>
> This was fine so far.
>
> Then I inserted the micro sd card to the BBB, pressed the S2-Boot-Button
> and connected the power. This is the output on the serial console:
> http://paste.ubuntu.com/11163808/
>
> Then I tried booting without pressing the boot-button:
> http://paste.ubuntu.com/11163841/
>
> Both variants aren't booting, so I found the solution here[2]:
>
> I've mounted the system-boot partition of the micro SD card on my laptop
> and edited uEnv.txt. I've changed the following line from:
>
> uenvcmd=load mmc ${bootpart} ${loadaddr} snappy-system.txt; env import
> -t $loadaddr $filesize; run snappy_boot
>
> to:
>
> uenvcmd=load mmc ${mmcdev}:${mmcpart} ${loadaddr} snappy-system.txt; env
> import -t $loadaddr $filesize; run snappy_boot
>
> Next step: booting without pressing the boot-button (like the docs
> says): http://paste.ubuntu.com/11163853/
>
> Final step:
> Booting the device with pressing the boot-button. It worked on this point.
>
> I don't know what the exact problem of my issue is. I've fixed it, but I
> don't think this is an intentional behaviour. Anyway I think, that the
> image should work on my beaglebone without modifying the uEnv.txt.
>
> -- Sujeevan (svij)
>
> [1] https://developer.ubuntu.com/en/snappy/start/
> [2]
> https://askubuntu.com/questions/576227/ubuntu-core-webdm-alpha-for-beaglebone-black-not-booting
>
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