[Bug 1806218] Re: trying to install in efi mode grub always fails. Recreated installation media already

[Sebastien Bacher]

it's not a duplicate, the error is different

** This bug is no longer a duplicate of bug 1806205
   installation failed with grub error - EFI-Verzeichnis kann nicht gefunden werden.

** Summary changed:

- trying to install in efi mode grub always fails. Recreated installation media already
+ trying to install in efi mode grub always fails - efibootmgr failed to register the boot entry: Input/output error.

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https://bugs.launchpad.net/bugs/1806218

Title:
  trying to install in efi mode grub always fails - efibootmgr failed to
  register the boot entry: Input/output error.

Status in grub-installer package in Ubuntu:
  New

Bug description:
  see summary

  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: Sat Dec  1 16:10:47 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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