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

[Phillip Susi]

Your disk is currently partitioned to boot in bios mode, but you booted
the 16.04 installer in EFI mode. A warning message prompted you that
this could be a problem and recommended performing a bios mode install
instead, but you chose not to. You either need to perform the bios mode
install, or partition the disk using GPT and set up an EFI system
partition to install in EFI mode. This will be done for you if you
choose the "use entire disk" guided install option.

** Changed in: grub-installer (Ubuntu)
       Status: New => Invalid

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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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