[Bug 1784895] Re: fresh install GRUB installation failure

[Phillip Susi]

*** This bug is a duplicate of bug 1766945 ***
    https://bugs.launchpad.net/bugs/1766945

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1766945, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 1766945
   (EFI on top of legacy install) choosing "replace" or "resize" options in partitioning may lead to an install failure

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https://bugs.launchpad.net/bugs/1784895

Title:
  fresh install GRUB installation failure

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  Created a new 18.04 boot USB. Deleted my previous 16.04 partition and
  attempted to install a fresh 18.04 partition. The installation seems
  to go well until a window pops up:

  GRUB installation failed

  The 'grub-efi-amd64-signed' package failed to install into /target/.
  Without the GRUB boot loader, the installed system will not boot.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.6
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CasperVersion: 1.394
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Aug  1 18:15:57 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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