Comment 30 for bug 856826

This bug was fixed in the package parted - 2.3-8ubuntu4

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parted (2.3-8ubuntu4) precise; urgency=low

  * At least some Intel Macs get rather upset if we revert to a protective
    MBR, so try harder to avoid this and to do a better job of writing a
    hybrid MBR:
    - Write a type code of 0x83 for more filesystems, and 0xda for
      non-filesystem partitions.
    - Do not rely on filesystem probing to recognise EFI System Partitions.
    - Write a protective partition starting at LBA 1 if we find an EFI
      System Partition or BIOS Boot Partition in the first position, even if
      it does not really begin at LBA 1 (LP: #856826).
    - Ensure that protective partitions corresponding to an ESP or BBP
      always have starting cylinder 0, head 0, sector 1.
    - Don't revert to a protective MBR just because the first GPT partition
      wasn't recognised as anything in particular.
    - Add tests for hybrid MBR syncing.
 -- Colin Watson <email address hidden> Thu, 08 Mar 2012 15:44:55 +0000