[Bug 1048989] Re: grub-install fails

Phillip Susi psusi at ubuntu.com
Mon Sep 24 20:14:21 UTC 2012

Does dmesg show any errors after this?

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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  grub-install fails

Status in “grub2” package in Ubuntu:

Bug description:
  Reported by Tom by email.

  From a liveCD, reinstalling GRUB fails:

  ubuntu at ubuntu:~$ sudo mount /dev/sda1 /media
  mount: /dev/sda1 already mounted or /media busy
  mount: according to mtab, /dev/sda1 is already mounted on /media
  ubuntu at ubuntu:~$
  ubuntu at ubuntu:~$ for w in dev dev/pts proc sys; do sudo mount -B /$w
  /media/$w ; done
  ubuntu at ubuntu:~$
  ubuntu at ubuntu:~$ sudo chroot /media grub-install /dev/sda
  /usr/sbin/grub-setup: error: cannot write to `/dev/sda'.

  Same error when trying to reinstall GRUB via Boot-Repair:

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