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

Phillip Susi psusi at ubuntu.com
Wed May 4 01:17:52 UTC 2016

The option is given because you can choose to continue in EFI mode, and
go ahead and create an EFI system partition, and then successfully
install in EFI mode.

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

Status in grub-installer package in Ubuntu:

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)
   PATH=(custom, no user)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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