[Bug 1289977] Re: Ubuntu 14.04 Update breaks grub, resulting in "error: symbol 'grub_term_highlight_color' not found"

[Peer]

I copied a hard disk with kubuntu 13.10 to a new (bigger) one with dd,
taking extra care to verify the copy with hashing it using md5sum. The
copy was fine.

It bootet correctly, everything behaved normally.

After the upgrade to 14.04, the system didn't boot any more because of
the error discussed in this thread.

It could be made to run normally with the methods suggested somewhere in
this thread, e.g. booting from a Live system (debian based that one),
mounting relevant partitions, chrooting, rewriting the boot sector as
described above, unmounting, rebooting.

So maybe this bug has to do with switching hard disk.

Is the installer creating some kind of hash or ID of the disk in order
to determine it's course of action in some branches of it's code
execution? This might be the reason for the breaking of the update in my
case.

I had same data on a new disk.
If some hash/ID of the HD (as an individual HD) informs the installer that I switched the disk and that for that reason it shall not write the complete set of parts of the updated grub, then this is the reason why it failed in my case.

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https://bugs.launchpad.net/bugs/1289977

Title:
  Ubuntu 14.04 Update breaks grub, resulting in "error: symbol
  'grub_term_highlight_color' not found"

Status in “grub2” package in Ubuntu:
  Triaged

Bug description:
  The update from 13.10 to 14.04 via update-manager broke grub for me,
  which resulted in the grub error:

  "symbol 'grub_term_highlight_color' not found"

  on startup.

  To fix the problem I had to boot to my persisting Ubuntu installation
  (e.g. using Super Grub Disk) and had to reinstall grub on my boot
  partition: "sudo grub-install --recheck /dev/sdx"

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: grub2-common 2.02~beta2-6
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar  9 10:36:45 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-12-10 (88 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  ProcEnviron:
   LANGUAGE=de_DE
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to trusty on 2014-03-07 (2 days ago)

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