[Bug 1749923] [NEW] ubuntu 18.04 installer crashed at the end of installation alongside a ubuntu 16.04.3 installation

[trix]

Public bug reported:

couldn't install grub on either of the two available disks at the end of
the installation.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CasperVersion: 1.388
Date: Fri Feb 16 12:25:04 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180216)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubiquity-18.04.1 ubuntu

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https://bugs.launchpad.net/bugs/1749923

Title:
  ubuntu 18.04 installer crashed at the end of installation alongside a
  ubuntu 16.04.3 installation

Status in grub-installer package in Ubuntu:
  New

Bug description:
  couldn't install grub on either of the two available disks at the end
  of the installation.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.1
  ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
  Uname: Linux 4.13.0-32-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CasperVersion: 1.388
  Date: Fri Feb 16 12:25:04 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180216)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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