[Bug 1803177] Re: grub-installer isn't installing.

[Sebastien Bacher]

*** This bug is a duplicate of bug 1803031 ***
    https://bugs.launchpad.net/bugs/1803031

** This bug has been marked a duplicate of bug 1802309
   grub-install: error: cannot find EFI directory. dpkg: error processing package shim-signed (--configure):  subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing:

** This bug is no longer a duplicate of bug 1802309
   grub-install: error: cannot find EFI directory. dpkg: error processing package shim-signed (--configure):  subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing:
** This bug has been marked a duplicate of bug 1803031
   erro: cannot find EFI directory.

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https://bugs.launchpad.net/bugs/1803177

Title:
  grub-installer isn't installing.

Status in grub-installer package in Ubuntu:
  New

Bug description:
  grub-install: error: failed to get canonical path of `/cow'.

  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
  Date: Wed Nov 14 00:59:07 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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