[Bug 1767276] Re: Could not delete variable: Interrupted system call (package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1)

[Steve Langasek]

I know of no reason that moving around the Ubuntu directory on your ESP
would solve an efibootmgr failure.  If the cause of this wrote for you
is that your firmware has been marked read-only by the previous kernel
bug in Ubuntu 17.10, this will definitely not correct that problem.

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Title:
  Could not delete variable: Interrupted system call (package shim-
  signed 1.34.9+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:
  Confirmed

Bug description:
  Users experiencing this bug are most likely affected by
  <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147> and
  have their firmware in an incorrect state which prevents bootloader
  updates. Please see that bug for information on how to recover your
  firmware state.

  
  [Original Description]
  The apt-get update option does not fix this.

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: shim-signed 1.34.9+13-0ubuntu2
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  NonfreeKernelModules: wl
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  Date: Thu Apr 26 19:06:57 2018
  EFITables:
   Apr 27 11:18:03 spthree kernel: efi: EFI v2.40 by INSYDE Corp.
   Apr 27 11:18:03 spthree kernel: efi:  SMBIOS=0x9c669000  ESRT=0x9c771418  ACPI 2.0=0x9cffe014
   Apr 27 11:18:03 spthree kernel: secureboot: Secure boot could not be determined (mode 0)
   Apr 27 11:18:03 spthree kernel: esrt: Reserving ESRT space from 0x000000009c771418 to 0x000000009c771450.
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2017-12-16 (131 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  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   0
  SourcePackage: shim-signed
  Title: package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to bionic on 2018-04-26 (0 days ago)

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