[Bug 1766717] Re: package shim-signed 1.34.8+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1

[Bump]

Yes I have it booted in BIOS mode and the pendrive is set to boot in
MBR. Probably same bug.

** Attachment removed: "Dmesg.txt"
   https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1766717/+attachment/5126723/+files/Dmesg.txt

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Title:
  package shim-signed 1.34.8+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:
  error

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: shim-signed 1.34.8+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: Tue Apr 24 22:35:44 2018
  EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: EFI variables are not supported on this system.
  EFITables: abr 24 22:28:47 ubuntu fwupd[1842]: 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 2018-04-21 (3 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
  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
  SourcePackage: shim-signed
  Title: package shim-signed 1.34.8+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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