[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)

[Aaditya Deshpande]

Go to the hyperlink which Steve has mentioned and install the kernel.
Then boot choosing the newly installed kernel option and go to recovery
mode and upgrade your grub. Again reboot but choose the 4.15 kernel. And
update. the shim package is installed.

I dont know the technical details as to what was the problem  but my
18.04 ubuntu is working fine now.

The apt-get upgrade option does not mention the error code.

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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:
  Incomplete

Bug 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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