[Bug 1311247] Re: [Grubenv] error: malformed file, press any key to continue

[Joel Cairo]

On Mint 17.1 KDE, here. Yes this bug has been bugging me for the last
few days!

I just installed grub2 - 2.02~beta2-21. Only booted up a couple of times
since, but all seems fine.

Get it here: https://packages.debian.org/sid/grub2-common

On AMD64 you'd then go to:
https://packages.debian.org/sid/amd64/grub2-common/download, where
you're advised to add the repo to your /etc/apt/sources.list. In my case
that is: deb http://ftp.uk.debian.org/debian sid main.

My sources.list - opened as text with root - showed only the commented
out CD-ROM entry. I added the above, below it.

Running the Update Manager - selecting to show levels 1 through 5 -
refreshing now showed a great many updates that, obviously, or
presumably, one does not want in Mint, so clicking Clear deselected
them. Then just selected 'Grub' and installed.

Not knowing if the bug was in part at least a problem with
/boot/grub/grub.conf I allowed the installation to replace my user-
edited version, with the consequence that on reboot instead of Linux
Mint <etc etc> it just listed Ubuntu. Having backed up grub.conf I then
replaced 'Ubuntu' with the previous version's 'Linux Mint <etc etc>' -
changing only the menu-entry names.

Then back in Update Manager, deselect showing levels 4 and 5 updates,
then in Software Sources deselect the added debian sid main repo, close,
reboot. Now the dozens of probably-unwanted updates are no longer
displayed. So far, so good.

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https://bugs.launchpad.net/bugs/1311247

Title:
  [Grubenv] error: malformed file, press any key to continue

Status in GRand Unified Bootloader:
  Unknown
Status in grub2 package in Ubuntu:
  Fix Released

Bug description:
  I have just upgraded from 12.04 to 14.04

  Since the upgrade, when I boot up, the process stops and the normal
  grub screen is replaced after a short while by a message saying

  "error: malformed file, press any key to continue"

  Pressing a key allows booting to continue.

  Someone else who experienced this found that the problem went away
  after having re-installed grub.  I tried this but this did not resolve
  the problem for me.

  synaptic reports the grub package as 2.02~beta2-9

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