[Bug 972250] Re: regression from 4k_sectors.patch: "non-sector-aligned data is found in the core file"

[Launchpad Bug Tracker]

This bug was fixed in the package grub2 - 1.99-21ubuntu1

---------------
grub2 (1.99-21ubuntu1) precise; urgency=low

  * Resynchronise with Debian.  Remaining changes:
    - Adjust for default Ubuntu boot options ("quiet splash").
    - Default to hiding the menu; holding down Shift at boot will show it.
    - Set a monochromatic theme and an appropriate background for Ubuntu.
    - Apply Ubuntu GRUB Legacy changes to legacy update-grub script.
    - Fix backslash-escaping in merge_debconf_into_conf.
    - Remove "GNU/Linux" from default distributor string.
    - Add crashkernel option.
    - Bypass menu unless other OSes are installed or Shift is pressed.
    - Allow Shift to interrupt 'sleep --interruptible'.
    - Reduce visual clutter in normal mode.
    - Remove verbose messages printed before reading configuration.
    - Suppress kernel/initrd progress messages, except in recovery mode.
    - Show the boot menu if the previous boot failed.
    - Don't generate device.map during grub-install or grub-mkconfig.
    - Adjust upgrade version checks for Ubuntu.
    - Suppress "GRUB loading" message unless Shift is held down.
    - Adjust versions of grub-doc and grub-legacy-doc conflicts.
    - Fix LVM/RAID probing in the absence of /boot/grub/device.map.
    - Look for .mo files in /usr/share/locale-langpack first.
    - Build-depend on qemu-kvm rather than qemu-system for grub-pc tests.
    - Check hardware support before using gfxpayload=keep.
    - Put second and subsequent Linux menu entries in a submenu.
    - Preferred resolution detection for VBE.
    - Set vt.handoff=7 for smooth handoff to kernel graphical mode.
    - Update default/grub.md5sum to include maverick's default md5sum.
    - In recovery mode, add nomodeset to the Linux kernel arguments, and
      remove the 'set gfxpayload=keep' command.
    - Skip Windows os-prober entries on Wubi systems, and suppress the menu
      by default if those are the only other-OS entries.
    - Handle probing striped DM-RAID devices.
    - Replace 'single' by 'recovery' when friendly-recovery is installed.
    - Use qemu -no-kvm in tests for now to work around LP #947597.
    - Disable cursor as early as possible in grub_main.

grub2 (1.99-21) unstable; urgency=low

  * Backport from upstream:
    - Fix hook calling for unaligned segments (closes: #666992,
      LP: #972250).
 -- Colin Watson <cjwatson at ubuntu.com>   Tue, 03 Apr 2012 18:15:58 +0100

** Changed in: grub2 (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/972250

Title:
  regression from 4k_sectors.patch: "non-sector-aligned data is found in
  the core file"

Status in “grub2” package in Ubuntu:
  Fix Released

Bug description:
  On a system installed with 11.10 and upgraded to 12.04 last week,
  today grub fails to apt-get upgrade with this error in
  /var/log/apt/term.log:

  /usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
  /usr/sbin/grub-setup: warn: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
  /usr/sbin/grub-setup: error: non-sector-aligned data is found in the core file.

  The system has luks+lvm as installed by 11.10 alternative installation
  cd, and indeed seems to have GPT but no BIOS partition (system is
  running BIOS on Asus F1A75V-PRO motherboard).

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