[Bug 1726803] Re: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

I'm surprised to see that your nvidia stack is being switched as part of
an unattended upgrade.  Reassigning to the unattended-upgrades package
for further investigation.

In order to fix the particular upgrade failure, you should run 'sudo apt
-f install' from a terminal.  Note that you must complete the process of
disabling SecureBoot, which requires a reboot, in order to use the
nvidia driver on a SecureBoot-enabled system.

** Package changed: shim-signed (Ubuntu) => unattended-upgrades (Ubuntu)

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Title:
  package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  failed to install/upgrade: subprocess installed post-installation
  script returned error exit status 1

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  Occurred a minute after logging in

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.10.0-37.41~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-37-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  Date: Tue Oct 24 11:35:53 2017
  EFITables:
   Oct 24 11:33:04 paddy-laptop kernel: efi: EFI v2.40 by American Megatrends
   Oct 24 11:33:04 paddy-laptop kernel: efi:  ACPI=0x78660000  ACPI 2.0=0x78660000  SMBIOS=0xf0000  SMBIOS 3.0=0xf0020  ESRT=0x79360598 
   Oct 24 11:33:04 paddy-laptop kernel: esrt: Reserving ESRT space from 0x0000000079360598 to 0x00000000793605d0.
   Oct 24 11:33:04 paddy-laptop kernel: Secure boot enabled
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2017-09-11 (42 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.24
  SecureBoot: 6   0   0   0   1
  SourcePackage: shim-signed
  Title: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 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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