[Bug 807801] Re: GRUB2 fails to detect/add Windows entries on a UEFI system

[Michael Marineau]

FYI, grub2_2.00-14 and os-prober_1.58 from Debian include the previously
mentioned patches. I built and installed them for raring and can confirm
that update-grub properly creates the menu item for the Windows
bootloader now.

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Title:
  GRUB2 fails to detect/add Windows entries on a UEFI system

Status in os-prober:
  Confirmed
Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  HOW TO REPRODUCE:
  1) install Ubuntu on a computer with UEFI firmware
  2) Reboot the PC, boot into Ubuntu, open a terminal and check that the 'sudo os-prober' command does not return any Windows entry.

  REMARK: if it returns some Windows entry, but those entries are
  invalid, you may be affected by Bug #1024383 instead.

  *********************** WORKAROUND **************************

  either boot Windows from the (EFI) BIOS menu, or add valid Windows
  entries via Boot-Repair.


  ***** Original description:
  running a fresh uefi (software uefi) system and the grub-update fails to detect windows boot entry/efi files and add them automatically
  microsoft folder is present in both the efi system partition as well as the /boot folder/partition

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