[Bug 1871505] Re: grab-efi-amd64-signed package failed to install: failed to register the EFI boot entry: Invalid argument

[Michael Haworth]

*** This bug is a duplicate of bug 1851955 ***
    https://bugs.launchpad.net/bugs/1851955

** This bug has been marked a duplicate of bug 1851955
   installation fails in grub-install with: efivarfs_set_variable: writing to fd <N> failed: Invalid argument

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https://bugs.launchpad.net/bugs/1871505

Title:
  grab-efi-amd64-signed package failed to install: failed to register
  the EFI boot entry: Invalid argument

Status in grub-installer package in Ubuntu:
  New

Bug description:
  tried more than 3 times to install ubuntu 19.10 in my Lenovo Laptop.
  but when it comes to install the grab package then it gives error
  "GRAB installation failed" with a message "The 'grab-efi-amd64-signed'
  package failed to install". please help.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubiquity 19.10.21
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CasperVersion: 1.427
  Date: Wed Apr  8 02:43:03 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed quiet splash ---
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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