[Bug 1497790] Re: Error trying to install ubuntu side by side with windows 8.1 in efi mode. Installer crashes after signaling an error in installing grub-efi-amd64-signed

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub-installer (Ubuntu)
       Status: New => Confirmed

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Title:
  Error trying to install ubuntu side by side with windows 8.1 in efi
  mode. Installer crashes after signaling an error in installing grub-
  efi-amd64-signed

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I'm trying to install Ubuntu in dual boot with a pre-exhisting windows 8.1 system in EFI mode.
  I've resized the main windows partition leaving free space, then tried to install ubuntu.

  Among the installing options I selected "others" to manually specify the partitioning of my disk.
  Created a swap partition and another one for "/", leaving the rest untouched.
  Just specified /media/windows mount point for my main ntfs partition.

  The installer works for a while, then raises an error  while  grub-
  efi-amd64-signed. It then crashes, with a bug report mentioning
  package ubiquity 2.18.8.9.

  
  Tried again, this time the installer notices that the computer currently has a windows boot manager and ubuntu 14.04.3 LTS on it. Tried by selecting "erase ubuntu and reinstall", without success.

  I am installing from a USB stick.
  Boot is not in secure mode.

  Can you please help me?

  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubiquity 2.18.8.9 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 3.19.0-25.26~14.04.1-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  CasperVersion: 1.340.2
  Date: Mon Sep 21 00:39:09 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash --
  LiveMediaBuild: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  ProcEnviron:
   TERM=linux
   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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