[Bug 1766345] Re: grub-installer crashes ubiquity on 18.04 ubuntu installation

[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/1766345

Title:
  grub-installer crashes ubiquity on 18.04 ubuntu installation

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  Was trying to install 18.04 ubuntu, but the installation crashed on grub installation.
  Setup:
  HDD 1TB (sda): [ext4 root ubuntu partition, 100 GB (sda1)][400 GB unallocated space][400 GB NTFS data (sda2)]
  SSD 200 GB (sdb): [win10 (sdb1)]
  installation was going to sda1 with boot device sda.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.4
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.392
  Date: Mon Apr 23 23:21:10 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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