[Bug 1389216] Re: unhelpful error message "grub-install: error: /boot/efi/ doesn't look like an EFI partition."

[Alberto Salvia Novella]

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => Medium

** Also affects: hundredpapercuts
   Importance: Undecided
       Status: New

** Changed in: hundredpapercuts
   Importance: Undecided => Medium

** Changed in: hundredpapercuts
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1389216

Title:
  unhelpful error message "grub-install: error: /boot/efi/ doesn't look
  like an EFI partition."

Status in One Hundred Papercuts:
  Confirmed
Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  invoking `# LANG=C grub-install --efi-directory=/boot/efi/ /dev/sda`
  can cause the output

      Installing for x86_64-efi platform.
      grub-install: error: /boot/efi/ doesn't look like an EFI partition.

  which should be

      Installing for x86_64-efi platform.
      grub-install: error: /boot/efi/ doesn't look like an EFI partition (fulfills criteria x, y, z, but not a).

  That would make the application much more helpful and the
  implementation simply has to log what it already tested anyway.
  Critical errors should allways be very verbose (no matter which flags
  are specified, there's always the quiet flag which can be used or
  implemented).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: grub-efi 2.02~beta2-15
  Uname: Linux 3.16.7-031607-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Nov  4 13:48:52 2014
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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