[Bug 1786766] Re: package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10

[michelinux]

Hello, I think I got the same problem with different packages, i.e.
unattended-upgrades:

Configurazione di unattended-upgrades (1.1ubuntu1.18.04.5)...
+ . /usr/share/debconf/confmodule
+ [ !  ]
+ PERL_DL_NONLAZY=1
+ export PERL_DL_NONLAZY
+ [  ]
+ exec /usr/share/debconf/frontend /var/lib/dpkg/info/unattended-upgrades.postinst configure 1.1ubuntu1
+ . /usr/share/debconf/confmodule
+ [ ! 1 ]
+ [ -z  ]
+ exec
+ [  ]
+ exec
+ DEBCONF_REDIR=1
+ export DEBCONF_REDIR
+ [ -d /var/log/unattended-upgrades ]
+ chown root:adm /var/log/unattended-upgrades
+ chmod 0750 /var/log/unattended-upgrades
+ [ -e /etc/pm/sleep.d/10_unatteded-upgrades-hibernate ]
+ db_get unattended-upgrades/enable_auto_updates
+ _db_cmd GET unattended-upgrades/enable_auto_updates
+ _db_internal_IFS= 

+ IFS= 
+ printf %s\n GET unattended-upgrades/enable_auto_updates
+ IFS= 

+ IFS=
 read -r _db_internal_line
+ RET=true
+ return 0
+ CONFIG=/etc/apt/apt.conf.d/20auto-upgrades
+ [ true = true ]
+ NEWFILE=/usr/share/unattended-upgrades/20auto-upgrades
+ ucf --three-way --debconf-ok /usr/share/unattended-upgrades/20auto-upgrades /etc/apt/apt.conf.d/20auto-upgrades
dpkg: errore nell'elaborare il pacchetto unattended-upgrades (--configure):
 installed unattended-upgrades package post-installation script subprocess returned error exit status 10
Si sono verificati degli errori nell'elaborazione:
 unattended-upgrades
E: Sub-process /usr/bin/dpkg returned an error code (1)

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https://bugs.launchpad.net/bugs/1786766

Title:
  package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed
  grub-pc package post-installation script subprocess returned error
  exit status 10

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  i have a information

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-pc 2.02-2ubuntu8.2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Mon Aug 13 17:46:03 2018
  DuplicateSignature:
   package:grub-pc:2.02-2ubuntu8.2
   Setting up grub-pc (2.02-2ubuntu8.2) ...
   dpkg: error processing package grub-pc (--configure):
    installed grub-pc package post-installation script subprocess returned error exit status 10
  ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 10
  InstallationDate: Installed on 2018-07-13 (31 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-29-generic root=UUID=8ddf85dd-0d0c-4e66-8dcb-599566e605f5 ro quiet splash vt.handoff=1
  Python3Details: /usr/bin/python3.6, Python 3.6.5, unpackaged
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.3
  SourcePackage: grub2
  Title: package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10
  UpgradeStatus: No upgrade log present (probably fresh install)

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