Ubuntu
grub2 package

  1. Bug #1236642
  2. Comment #11

Comment 11 for bug 1236642

Revision history for this message
Phillip Susi (psusi) wrote :

Bind mount /dev, /proc, and /sys before chrooting:

sudo mount --bind /dev /mnt/dev, etc

You might also want to check the drive's SMART status in the disk utility to make sure it isn't failing.