[Bug 1599309] Re: grub efi amd64 could not be installed in /target -- no bootloader installed -- unusable 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/1599309

Title:
  grub efi amd64 could not be installed in /target -- no bootloader
  installed -- unusable install

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  UEFI install of grub on /dev/sdc. Target partition is /dev/sdc2. Disks
  /dev/sda and /dev/sdb have windows partitions and there is a Windows
  bootloader beyond the MBR. Linux Mint Betsy on /dev/sdc1.

  No other specifics, except for a high def graphics install (3840x2160)
  on an NVIDIA driver. This caused a probably unrelated crash of plasma
  that was reported to the kde bug reporting platform.

  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: Wed Jul  6 00:00:44 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
  LiveMediaBuild: Kubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   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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