[Bug 1573708] [NEW] Can't install Grub

[ErikBerglund]

Public bug reported:

Trying to install 16.04 over an existin 15.10 instance that failed boot
due to a power failure during upgrade to 16.04.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63
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: Fri Apr 22 19:02:57 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/lubuntu.seed boot=casper only-ubiquity quiet splash ---
LiveMediaBuild: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug lubuntu ubiquity-2.21.63 xenial

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https://bugs.launchpad.net/bugs/1573708

Title:
  Can't install Grub

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Trying to install 16.04 over an existin 15.10 instance that failed
  boot due to a power failure during upgrade to 16.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63
  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: Fri Apr 22 19:02:57 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/lubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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