Lambda Quad: boot stuck on purple Ubuntu loading screen

Technical Help
1

When I boot my computer, it gets stuck on the Ubuntu splash screen with the loading dots. It just hangs on this loading screen forever. See below:

splash
splash670×501 16.8 KB

2

There are many reasons why this might happen. I’ve listed some potential fixes:

SOLUTION #1 – USE THIS IF YOUR MACHINE HAS A RAID ARRAY
When your machine get stuck in the above screen…

  • Press CTRL+ALT+F1 simultaneously, then press CTRL+ALT+F7 simultaneously
  • The following dialogue should appear:

IMG_5774
IMG_57743681×686 492 KB

  • Press the ENTER key; you will be dropped into a root shell.

  • Use your favorite text editor to open the file /etc/fstab. There will be line like the following:

    /dev/md0 /data ext4 defaults,nofail,discard 0 0

Comment out this line by adding a # to the font of it. It should now look like this:

#/dev/md0 /data ext4 defaults,nofail,discard 0 0

Now reboot the machine; it should no longer hang on the Ubuntu loading screen. However, your RAID will no longer automatically mount on boot. You’ll need to manually mount your raid using a command like:

sudo mount /dev/md127 /data

We’re currently looking into the best way to re-name the Linux MD RAID so that it can be consistently mounted using /etc/fstab.