[Bug 1584545] Re: clean install of xenial alongside existing distros fails because of uefi

[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/1584545

Title:
  clean install of xenial alongside existing distros fails because of
  uefi

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  disk partitioning is non-standard (sda8 is flagged as bios_grub) with
  uefi bios.

  I probably need to save all partitions and re-partition and reformat
  disk, then allow clean install of uefi boot

  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: Mon May 23 08:25:11 2016
  InstallCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz.efi root=UUID=CA75-D6FC maybe-ubiquity debian-installer/language=en keyboard-configuration/layoutcode=us iso-scan/filename=/ubuntu-16.04-desktop-amd64.iso boot=casper file=/cdrom/preseed/ubuntu.seed noprompt quiet splash --
  LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   LANGUAGE=en_AU.UTF-8
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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