[Bug 1097570] [NEW] grub2-signed can not find the right device when there are two filesystems containing the file '.disk/info'.

[Shih-Yuan Lee]

Public bug reported:

* Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130108)
precise-desktop-amd64.iso from http://cdimage.ubuntu.com/precise/daily-live/current/ .

* Package Version
grub2-signed 1.9~ubuntu12.04.2+1.99-21ubuntu3.7

* Reproduce Steps
1. Use `usb-creator-gtk` to create a bootable USB drive by precise-desktop-amd64.iso
2. Use this USB drive to boot "Try Ubuntu without installing" on an UEFI secure boot enabled laptop.
3. Create only one 1GB primary fat32 partition on the disk of the laptop with GPT-based disk layout.
4. Mount fat32 partition on /mnt
    $ sudo mount /dev/sda1 /mnt
5. Manually copy all contents from the USB stick into the fat32 partition.
    $ sudo cp -av /cdrom/.disk /cdrom/* /mnt
6. Set up the EFI boot entry.
    & sudo apt-get install efibootmgr grub-efi-amd64-signed shim-signed
    $ grub-install --removable --uefi-secure-boot --root-directory /mnt /dev/sda1
    $ efibootmgr -c -d /dev/sda -p 1 -l "\\EFI\\BOOT\\BOOTx64.EFI" -L recovery
7. Append 'from recovery partition' to every menuentry title in /mnt/boot/grub/grub.cfg .
8. Reboot and select the boot entry 'recovery' from UEFI boot option menu.

* Expected Result
We can see every menu entry of grub with the suffix 'from recovery partition'.

* Actual Result
There is no suffix 'from recovery partition' on menu entries of grub.

P.S. The USB drive is still plunged in the laptop. After we unplug the
USB drive and select the boot entry 'recovery' from UEFI boot option
menu, we can see every menu entry of grub with the suffix 'from recovery
partition'.

** Affects: oem-priority
     Importance: Undecided
         Status: New

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

** Also affects: oem-priority
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1097570

Title:
  grub2-signed can not find the right device when there are two
  filesystems containing the file '.disk/info'.

Status in OEM Priority Project:
  New
Status in “grub2” package in Ubuntu:
  New

Bug description:
  * Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130108)
  precise-desktop-amd64.iso from http://cdimage.ubuntu.com/precise/daily-live/current/ .

  * Package Version
  grub2-signed 1.9~ubuntu12.04.2+1.99-21ubuntu3.7

  * Reproduce Steps
  1. Use `usb-creator-gtk` to create a bootable USB drive by precise-desktop-amd64.iso
  2. Use this USB drive to boot "Try Ubuntu without installing" on an UEFI secure boot enabled laptop.
  3. Create only one 1GB primary fat32 partition on the disk of the laptop with GPT-based disk layout.
  4. Mount fat32 partition on /mnt
      $ sudo mount /dev/sda1 /mnt
  5. Manually copy all contents from the USB stick into the fat32 partition.
      $ sudo cp -av /cdrom/.disk /cdrom/* /mnt
  6. Set up the EFI boot entry.
      & sudo apt-get install efibootmgr grub-efi-amd64-signed shim-signed
      $ grub-install --removable --uefi-secure-boot --root-directory /mnt /dev/sda1
      $ efibootmgr -c -d /dev/sda -p 1 -l "\\EFI\\BOOT\\BOOTx64.EFI" -L recovery
  7. Append 'from recovery partition' to every menuentry title in /mnt/boot/grub/grub.cfg .
  8. Reboot and select the boot entry 'recovery' from UEFI boot option menu.

  * Expected Result
  We can see every menu entry of grub with the suffix 'from recovery partition'.

  * Actual Result
  There is no suffix 'from recovery partition' on menu entries of grub.

  P.S. The USB drive is still plunged in the laptop. After we unplug the
  USB drive and select the boot entry 'recovery' from UEFI boot option
  menu, we can see every menu entry of grub with the suffix 'from
  recovery partition'.

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