[Bug 1767563] Re: package shim-signed 1.34.5+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 5

[Steve Langasek]

*** This bug is a duplicate of bug 1766391 ***
    https://bugs.launchpad.net/bugs/1766391

You are not upgrading from an up-to-date mirror.  This is a bug that was
fixed several days before the release of 18.04.  Please ensure you are
installing shim-signed 1.34.9 or later.

** Changed in: shim-signed (Ubuntu)
       Status: New => Invalid

** This bug has been marked a duplicate of bug 1766391
   package shim-signed (not installed) failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 5

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Title:
  package shim-signed 1.34.5+13-0ubuntu2 failed to install/upgrade:
  installed shim-signed package post-installation script subprocess
  returned error exit status 5

Status in shim-signed package in Ubuntu:
  Invalid

Bug description:
  running sudo apt-get update is giving this error

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: shim-signed 1.34.5+13-0ubuntu2
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.9-0ubuntu6
  AptOrdering:
   ubuntu-desktop:amd64: Purge
   alsa-base:amd64: Purge
   NULL: ConfigurePending
   NULL: PurgePending
   NULL: ConfigurePending
  Architecture: amd64
  Date: Fri Apr 27 23:16:04 2018
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-trusty-amd64-osp1-20150720-0
  EFITables:
   Apr 27 22:51:28 Nagesh kernel: efi: EFI v2.40 by American Megatrends
   Apr 27 22:51:28 Nagesh kernel: efi:  ACPI=0x7dd22000  ACPI 2.0=0x7dd22000  SMBIOS=0x7ea73000  ESRT=0x7e9ea118  SMBIOS 3.0=0x7ea72000  MPS=0xfcb60  MEMATTR=0x7b79a018 
   Apr 27 22:51:28 Nagesh kernel: secureboot: Secure boot could not be determined (mode 0)
   Apr 27 22:51:28 Nagesh kernel: esrt: Reserving ESRT space from 0x000000007e9ea118 to 0x000000007e9ea150.
   Apr 27 22:51:29 Nagesh kernel: Bluetooth: hci0: Secure boot is enabled
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 5
  InstallationDate: Installed on 2016-09-22 (582 days ago)
  InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.1
  SecureBoot: 6   0   0   0   0
  SourcePackage: shim-signed
  Title: package shim-signed 1.34.5+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 5
  UpgradeStatus: Upgraded to bionic on 2018-04-23 (5 days ago)

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