[Bug 1766273] Re: /var/lib/shim-signed/dkms-list.new missing (package shim-signed 1.34.4+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1)

[Steve Langasek]

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

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Title:
  /var/lib/shim-signed/dkms-list.new missing (package shim-signed
  1.34.4+13-0ubuntu2 failed to install/upgrade: installed shim-signed
  package post-installation script subprocess returned error exit status
  1)

Status in shim-signed package in Ubuntu:
  New

Bug description:
  This occurred after I rebooted after an update on April 23 2018. After
  the update, I was prompted to create a password for something
  regarding UEFI secure booting, and the prompt said I would be asked
  for this password when rebooting. When I rebooted, however, I was not
  asked for the password, and had to force a shutdown. I booted normally
  next time, except for receiving this error message. I don't know for
  certain if these events are related.

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: shim-signed 1.34.4+13-0ubuntu2
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.9-0ubuntu6
  Architecture: amd64
  Date: Mon Apr 23 08:50:45 2018
  EFITables:
   Apr 23 10:51:03 rob-Lenovo-Y50-70 kernel: efi: EFI v2.31 by INSYDE Corp.
   Apr 23 10:51:03 rob-Lenovo-Y50-70 kernel: efi:  ACPI=0x9cffe000  ACPI 2.0=0x9cffe014  SMBIOS=0x9cebef98 
   Apr 23 10:51:03 rob-Lenovo-Y50-70 kernel: secureboot: Secure boot enabled
   Apr 23 10:52:25 rob-Lenovo-Y50-70 fwupd[1968]: disabling plugin because: failed to startup uefi: UEFI firmware updating not supported
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2018-01-06 (107 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  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   1
  SourcePackage: shim-signed
  Title: package shim-signed 1.34.4+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to bionic on 2018-03-28 (26 days ago)

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