[Bug 1095142] Re: GRUB2 installation with GPT partition table unclear

[Rolf Leggewie]

> As far as I can tell, your comments are essentially that you can't
figure out how to install grub.

I'll spell it out more clearly for you.  The bug is that grub doesn't
install (1) and does not give helpful information on what needs to be
done to complete successfully (2).

** Changed in: grub2 (Ubuntu)
       Status: Invalid => Confirmed

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https://bugs.launchpad.net/bugs/1095142

Title:
  GRUB2 installation with GPT partition table unclear

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  GRUB2.00 recognizes ext4 as ext2. Extract of the log on
  http://ubuntuforums.org/showpost.php?p=12431947&postcount=17 :

  
  #grub-install -v
  grub-install (GRUB) 2.00-7ubuntu11

  #grub-install --force /dev/sda4
  /usr/sbin/grub-bios-setup: warning: File system `ext2' doesn't support embedding.
  /usr/sbin/grub-bios-setup: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
  Installation finished. No error reported.

  #parted -l
  Model: ATA Hitachi HTS54502 (scsi)
  Disk /dev/sda: 250GB
  Sector size (logical/physical): 512B/512B
  Partition Table: gpt

  Number  Start   End    Size    File system     Name                  Flags
  1      20.5kB  210MB  210MB   fat32           EFI System Partition  boot
  2      210MB   193GB  192GB   hfs+            Customer
  3      193GB   193GB  650MB   hfs+            Recovery HD
  4      193GB   203GB  9998MB  ext4            LINUX
  5      203GB   204GB  1073MB  linux-swap(v1)  UBUNTU 2
  6      204GB   250GB  45.7GB  ntfs            BOOTCAMP
                                                      
  Warning: Unable to open /dev/sr0 read-write (Read-only file system).  /dev/sr0
  has been opened read-only.

                                                                            
  Error: /dev/sr0: unrecognised disk label

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