[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)

[Rob]

I cannot think of any reasons why the the /var/lib/shim-signed/dkms-
list.new file is missing. I'm running 18.04 on a Lenovo Y50 UHD dual-
booted with Windows 10. I'd be happy to post outputs of any commands if
you can think of any that may help diagnose the issue.

The file you pointed out does not exist on my system, but
/sys/firmware/efi/efivars/MokListRT-605dab50-e046-4300-abb6-3dd810dd8b23
does.

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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:
  Incomplete

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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