[Bug 1636148] Re: (Ubuntu-Mate 16.10, non-UEFI system) package shim-signed 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

*** This bug is a duplicate of bug 1778831 ***
    https://bugs.launchpad.net/bugs/1778831

** This bug has been marked a duplicate of bug 1778831
   package shim-signed (not installed) failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1: cannot find EFI directory

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Title:
  (Ubuntu-Mate 16.10, non-UEFI system) package shim-signed
  1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in shim-signed package in Ubuntu:
  Triaged

Bug description:
  
  1.
  Ubuntu Mate 16.10

  2. 
  shim-signed:
    Installed: 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3
    Candidate: 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3
    Version table:
   *** 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3 500
          500 http://in.archive.ubuntu.com/ubuntu yakkety/main amd64 Packages
          100 /var/lib/dpkg/status

  3. 
  I was expecting that it is not going to boot at all because i got an error during the installation, which interrupted the installation, and then pc rebooted.

  4.
  I Was installing "ubuntu mate 16.10" when this happened [Note that i already have Kubuntu 16.04.1 and ubuntu mate 16.04.1 installed on other separate partitions.]. I was following the standard installation process i.e. selected language (en-US), Keyboard layout (US), checked download updates during installation, and install third party software. 
      I believe the "install third party software" option led me to "turn off secure boot" option, which i did by giving it a random password, which led me to an error during installation. Then, the pc rebooted.
      After this i booted into kubuntu (since i didnt see any ubuntu mate 16.10 in grub menu), and updated the grub then booted into ubuntu mate 16.10 which led me to this error.

  
  Other Information that might be useful:-
  Setting up shim-signed (1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3) ...
  locale: Cannot set LC_CTYPE to default locale: No such file or directory
  locale: Cannot set LC_MESSAGES to default locale: No such file or directory
  locale: Cannot set LC_ALL to default locale: No such file or directory
  Installing for x86_64-efi platform.
  grub-install: error: cannot find EFI directory.
  dpkg: error processing package shim-signed (--configure):
   subprocess installed post-installation script returned error exit status 1
  Setting up grub-efi-amd64-signed (1.74+2.02~beta2-36ubuntu11) ...
  grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory.
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   subprocess installed post-installation script returned error exit status 1

  ProblemType: Package
  DistroRelease: Ubuntu 16.10
  Package: shim-signed 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3
  ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0
  Uname: Linux 4.8.0-26-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8
  AptOrdering:
   shim:amd64: Install
   shim-signed:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Mon Oct 24 15:12:31 2016
  EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: efibootmgr: EFI variables are not supported on this system.
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  RelatedPackageVersions:
   dpkg 1.18.10ubuntu1
   apt  1.3.1
  SourcePackage: shim-signed
  Title: package shim-signed 1.21.3+0.9+1465500757.14a5905.is.0.8-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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