[Bug 1722327] Re: unable to install efi boot alongside bios boot

[Phillip Susi]

Your disk is currently partitioned to boot in bios mode, but you booted
the 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/1722327

Title:
  unable to install efi boot alongside bios boot

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  install into existing blank partitions alongside xubuntu (m/c is
  macbook pro, existing is bios mode, new efi)

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubiquity 17.10.7 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
  Uname: Linux 4.13.0-12-generic x86_64
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.384
  Date: Mon Oct  9 16:40:37 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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