[Bug 1574446] Re: installation to coexist with 12.04 failed - grub-efi-amd64-signed pkg did not install

[Phillip Susi]

If you really want to get rid of your existing operating systems you
should choose the use entire disk option.  If you want to keep the
partitions around to recover files from, but don't care about being able
to boot them anymore, then you need to perform manual partitioning, and
set up an EFI system partition.  If you want to dual boot, then you need
to choose the cancel option and fall back to continuing to boot in bios
mode.

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https://bugs.launchpad.net/bugs/1574446

Title:
  installation to coexist with 12.04 failed - grub-efi-amd64-signed pkg
  did not install

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  "grub-efi-amd64-signed package failed to install into /target/.
  Without the GRUB boot loader, the installed system will not boot."

  followed by 'installer crashed'

  Installing next to a 12.04 installation that had individual partitions
  for /home, /var, /usr, /bin, etc. Resized to put 16.04 all on one
  partition. That may have something to do with the failure.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.376
  Date: Sun Apr 24 09:22:17 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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