[Bug 856763] Re: Mac cannot boot after manual partitioning, unless using ext4

[Colin Watson]

*** This bug is a duplicate of bug 855871 ***
    https://bugs.launchpad.net/bugs/855871

Although the exact symptoms are a bit different, I intend to fix this in
the same way as bug 855871, and have posted a more detailed explanation
there.  Accordingly, I'll mark this as a duplicate.

** This bug has been marked a duplicate of bug 855871
   Grub install fails after manual xfs partitioning

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https://bugs.launchpad.net/bugs/856763

Title:
  Mac cannot boot after manual partitioning, unless using ext4

Status in Release Notes for Ubuntu:
  Fix Released
Status in “parted” package in Ubuntu:
  Confirmed
Status in “parted” source package in Oneiric:
  Confirmed
Status in “parted” source package in Precise:
  Confirmed

Bug description:
  I performed manual partitioning. In addition to a swap partition and
  the reiserfs partition, I left several megabytes free at the beginning
  of the disk for the GPT/bios_grub partition (the approach works fine
  for ext4 partitions). The installation proceeds without error. On
  reboot the Mac "Folder with question mark" icon is shown (meaning no
  bootable partitions found).

  This is ubuntu-oneiric-desktop-amd64+mac from 2011-09-21.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: parted 2.3-6ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic x86_64
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.284
  Date: Thu Sep 22 19:57:24 2011
  LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64+mac (20110921.2)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: parted
  UpgradeStatus: No upgrade log present (probably fresh install)

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