[Bug 1048989] [NEW] grub-install fails

[YannUbuntu]

Public bug reported:

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:
http://paste.ubuntu.com/1192496/

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

+ 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:
  http://paste.ubuntu.com/1192496/

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https://bugs.launchpad.net/bugs/1048989

Title:
  grub-install fails

Status in “grub2” package in Ubuntu:
  New

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:
  http://paste.ubuntu.com/1192496/

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