[Bug 1490521] Re: Ubuntu installer crashes when trying to install grub (using full disk encryption)

[Novikov Andrey]

Actually, there are instructions to chroot and fix grub on this page
(this is step 5 of this guide):
https://help.ubuntu.com/community/ManualFullSystemEncryption/DetailedProcessSetUpBoot

But these steps are performed after the GUI installer already has
crashed (on step 3 of this guide).

See step-by-ste breakout:
https://help.ubuntu.com/community/ManualFullSystemEncryption/DetailedProcess#The_stages

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https://bugs.launchpad.net/bugs/1490521

Title:
  Ubuntu installer crashes when trying to install grub (using full disk
  encryption)

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  When trying to install the bootloader manually, I get the following
  error:

  grub-install: error: failed to get canonical path of `/cow'.

  I should also mention that I am installing on /dev/sdb, not /dev/sda,
  and that both disks were unpartitioned at the time of installing.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.25
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.360
  Date: Mon Aug 31 13:23:12 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi initrd=/casper/initrd.lz file=/cdrom/preseed/ubuntu.seed boot=casper  quiet splash ---
  LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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