[Bug 1704732] Re: (non-UEFI) package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

** Summary changed:

- package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
+ (non-UEFI) package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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Title:
  (non-UEFI) package shim-signed
  1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in shim-signed package in Ubuntu:
  New

Bug description:
  i tried to update gedit. i googled it,i found this:https://askubuntu.com/questions/616700/how-to-get-new-face-of-gedit, i followed this:
  sudo apt-add-repository ppa:gnome3-team/gnome3
  sudo apt-get update
  sudo apt-get remove gedit && sudo apt-get install gedit
  and then crash after last command .

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.8.0-58.63~16.04.1-generic 4.8.17
  Uname: Linux 4.8.0-58-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  .sys.firmware.efi.efivars.MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23: Error: [Errno 2] No such file or directory: '/sys/firmware/efi/efivars/MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23'
  .sys.firmware.efi.efivars.SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c: Error: [Errno 2] No such file or directory: '/sys/firmware/efi/efivars/SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c'
  ApportVersion: 2.20.1-0ubuntu2.6
  AptOrdering:
   gedit: Remove
   grub-efi-amd64-signed: Configure
   shim-signed: Configure
   NULL: ConfigurePending
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Mon Jul 17 10:14:17 2017
  DuplicateSignature:
   package:shim-signed:1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
   Setting up grub-efi-amd64-signed (1.66.11+2.02~beta2-36ubuntu3.11) ...
   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 1.18.4ubuntu1.2
   apt  1.2.20
  SourcePackage: shim-signed
  Title: package shim-signed 1.28~16.04.1+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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