I have two raspberry pi 3's that boot perfectly with raspian, but don't boot with ubuntu snappy core.

Here's what I did:

$ wget http://cdimage.ubuntu.com/ubuntu-snappy/16.04/current/ubuntu-core-16-pi3.img.xz
$ sha256sum ubuntu-core-16-pi3.img.xz 
 -> correct checksum
$ xz -d ubuntu-core-16-pi3.img.xz 
$ dd if=ubuntu-core-16-pi3.img of=/dev/sdb

Everything seemed to work at this point. When I tried to boot the pi with the sdcard here's what happened:

  • Red led turned on,
  • green led blinking,
  • Some messages on screen, that the pi is booting up (I could take a photo if you want to see them).

After that, the display just shows 4 raspberries. The green led is still blinking, usb mouse + keyboard have power, both lan status led's light up.

I would be thankful if anyone knows why the pi isn't booting or how to fix the problem.

I want to use the raspy to run a nextcloud cloudserver. (I think ubuntu is better than raspbian: Nextcloud is probably well testet on ubuntu, and security updates are afaik faster. Ubuntu mate worked, but the nextcloud snap package had some troubles with ubuntu mate)


You might try running sync after writing the image to the card. I couldn't get snappy to boot past a mount error until I did that.


Have a look at these instructions: https://developer.ubuntu.com/core/get-started/installation-medias.

  1. Download the image
  2. Plug in and unmount sd card
  3. Extract and install to sd card using xzcat <image file .xz> | sudo dd of=<drive address> bs=32M
  • I tried it. This does not fix the problem Jun 1 '17 at 17:04
  • If you want to use ubuntu, you could try downloading xubuntu or lubuntu from here
    – user67191
    Jun 1 '17 at 19:42
  • Kernel panic on 2 seperate devices with 2 seperate sd cards: not syncinc: VFS: Unable to mount root fson unknown-block (179,2) Lubuntu sha256sum: 12464124ddb2e9a11cd5d75066c788054773a558c5f4cdb182cd545e32de33b5 lubuntu-16.04.2-desktop-armhf-raspberry-pi.img.xz Jun 2 '17 at 18:49
  • What type of sd card are you using?
    – user67191
    Jun 2 '17 at 18:59
  • SanDisk Ultra 32GB micro sd HC I (10) Jun 3 '17 at 12:37

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