[Bug 1795615] Re: package grub-common 2.02-2ubuntu8.2 failed to install/upgrade: new grub-common package pre-removal script subprocess returned error exit status 1

[John Mavity]

Happened during a reboot after an update that requested a reboot. I did
not do the reboot for several days after the update. Even with the
error, the system appeared to come up normally.

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Title:
  package grub-common 2.02-2ubuntu8.2 failed to install/upgrade: new
  grub-common package pre-removal script subprocess returned error exit
  status 1

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  Blocks terminal

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-common 2.02-2ubuntu8.2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  NonfreeKernelModules: kpatch_livepatch_Ubuntu_4_15_0_29_31_generic_42
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Tue Oct  2 12:45:20 2018
  ErrorMessage: new grub-common package pre-removal script subprocess returned error exit status 1
  InstallationDate: Installed on 2018-10-02 (0 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-29-generic root=UUID=ff8b7785-dba8-4bba-b1f1-a15837c33fb8 ro quiet splash vt.handoff=1
  Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.5
  SourcePackage: grub2
  Title: package grub-common 2.02-2ubuntu8.2 failed to install/upgrade: new grub-common package pre-removal script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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