[Bug 878834] Re: Ubuntu 11.10 installer uses incorrect partition in grub.conf

[Marcus Tomlinson]

This release of Ubuntu is no longer receiving maintenance updates. If
this is still an issue on a maintained version of Ubuntu please let us
know.

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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Title:
  Ubuntu 11.10 installer uses incorrect partition in grub.conf

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  I have a MacPro with two hard disks: the first disk with OS X and the
  second with Ubuntu. I upgraded the Ubuntu installation from version
  11.04 to 11.10 and the upgrade was successful, but when rebooting it
  put the computer into Grub Rescue.

  When I installed Grub, I installed it to the Ubuntu hard disk
  (/dev/sdb) and the installer created grub.conf to boot from
  (hd1,gpt2). Whilst this seems correct, Grub sees things differently.
  Grub seems to need the config file setting to say (hd0,gpt2) to work
  correctly. Changing the grub.conf file fixed the issue and allowed the
  system to boot correctly.

  I'm not sure whether this is a bug in Grub or the Ubuntu Installer. I
  can provide additional logs, if you let me know which ones you need.

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