[Bug 1901477] [NEW] installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[LaMpiR]

Public bug reported:

I have updated from 16.x to 18.x to 20.x server. I have noticed that
some have the issue resolved, but I haven't been able to.

Os version:
Description:    Ubuntu 20.04.1 LTS
Release:        20.04

grub-efi-amd64-signed:
  Installed: 1.142.6+2.04-1ubuntu26.4
  Candidate: 1.142.6+2.04-1ubuntu26.4
  Version table:
 *** 1.142.6+2.04-1ubuntu26.4 500
        500 http://ubuntu.mirrors.ovh.net/ubuntu focal-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1.142.4+2.04-1ubuntu26.2 500
        500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
     1.142+2.04-1ubuntu26 500
        500 http://ubuntu.mirrors.ovh.net/ubuntu focal/main amd64 Packages

I have tried this, but I don't have a semicolon
https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1871963/comments/7

I have tried this as well, but the same:
https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1871963/comments/13


Here is the error:

Setting up grub-efi-amd64-signed (1.142.6+2.04-1ubuntu26.4) ...
dpkg: error processing package grub-efi-amd64-signed (--configure):
 installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 grub-efi-amd64-signed
E: Sub-process /usr/bin/dpkg returned an error code (1)

** Affects: dpkg (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1901477

Title:
   installed grub-efi-amd64-signed package post-installation script
  subprocess returned error exit status 1

Status in dpkg package in Ubuntu:
  New

Bug description:
  I have updated from 16.x to 18.x to 20.x server. I have noticed that
  some have the issue resolved, but I haven't been able to.

  Os version:
  Description:    Ubuntu 20.04.1 LTS
  Release:        20.04

  grub-efi-amd64-signed:
    Installed: 1.142.6+2.04-1ubuntu26.4
    Candidate: 1.142.6+2.04-1ubuntu26.4
    Version table:
   *** 1.142.6+2.04-1ubuntu26.4 500
          500 http://ubuntu.mirrors.ovh.net/ubuntu focal-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1.142.4+2.04-1ubuntu26.2 500
          500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
       1.142+2.04-1ubuntu26 500
          500 http://ubuntu.mirrors.ovh.net/ubuntu focal/main amd64 Packages

  I have tried this, but I don't have a semicolon
  https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1871963/comments/7

  I have tried this as well, but the same:
  https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1871963/comments/13

  
  Here is the error:

  Setting up grub-efi-amd64-signed (1.142.6+2.04-1ubuntu26.4) ...
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  Errors were encountered while processing:
   grub-efi-amd64-signed
  E: Sub-process /usr/bin/dpkg returned an error code (1)

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