[Bug 1046572] [NEW] grub-efi fails (cannot create directory `/boot/efi/EFI/ubuntu')

[YannUbuntu]

Public bug reported:

GRUB version 1.99-21ubuntu3.1

On a EFI system, with /boot/efi correctly mounted, grub-install fails and return the following error:
mkdir: cannot create directory `/boot/efi/EFI/ubuntu': Input/output error

Exit code: 1


Boot-Repair log: http://paste.ubuntu.com/1181544

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

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https://bugs.launchpad.net/bugs/1046572

Title:
  grub-efi fails (cannot create directory `/boot/efi/EFI/ubuntu')

Status in “grub2” package in Ubuntu:
  New

Bug description:
  GRUB version 1.99-21ubuntu3.1

  On a EFI system, with /boot/efi correctly mounted, grub-install fails and return the following error:
  mkdir: cannot create directory `/boot/efi/EFI/ubuntu': Input/output error

  Exit code: 1

  
  Boot-Repair log: http://paste.ubuntu.com/1181544

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