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

[Francesco Cetraro]

The solution to this issue is banally simple actually... There is no
point reinstalling grub over and over again (which I did) or use Boot-
Repair to death... You just need to give Grub what it asks for.

So I went and edited /etc/grub.d/05_debian_theme, adding the last line
below:

set_default_theme(){
	case $GRUB_DISTRIBUTOR in
		Tanglu|Ubuntu|Kubuntu)
			# Set a monochromatic theme for Tanglu/Ubuntu.
			echo "${1}set menu_color_normal=white/black"
			echo "${1}set menu_color_highlight=black/light-gray"
			echo "${1}set grub_term_highlight_color=black/light-gray"

running "sudo update-grub" after that did the trick, and I am now
writing from a fully functional Xubuntu 14.04.

I would however like to stress my disappointment and frustration about
how appalling it is of Canonical/Ubuntu to release an LTS with such a
stupid bug in it on such a fundamental piece of software. Furthermore,
there is no documentation to be found anywhere online on what the bloody
"grub_term_highlight_color" is supposed to do. Lucikily, a simple test
solved the issue.

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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 Ubuntu Release Upgrader:
  New
Status in “grub2” package in Ubuntu:
  Confirmed

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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