[Bug 1612652] Re: package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

I also see this line in your bug report:

 EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code
2: efibootmgr: EFI variables are not supported on this system.

Do you know if your system is an EFI system or not?  All indications are
that this system is booted in BIOS mode, but then it's unclear how you
had the EFI bootloaders installed previously.

** Summary changed:

- package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
+ (16.04, installing updates, shim-signed installed but system is not UEFI) package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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Title:
  (16.04, installing updates, shim-signed installed but system is not
  UEFI) package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  None that I can add.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.18~16.04.1+0.8-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Fri Aug 12 22:57:02 2016
  DuplicateSignature:
   package:shim-signed:1.18~16.04.1+0.8-0ubuntu2
   Setting up grub-efi-amd64-signed (1.66.2+2.02~beta2-36ubuntu3.2) ...
   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
  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 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: shim-signed
  Title: package shim-signed 1.18~16.04.1+0.8-0ubuntu2 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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