[Bug 1871392] Re: update-manager crashed with AttributeError in _records(): 'NoneType' object has no attribute 'lookup'

[Launchpad Bug Tracker]

[Expired for python-apt (Ubuntu) because there has been no activity for
60 days.]

** Changed in: python-apt (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1871392

Title:
  update-manager crashed with AttributeError in _records(): 'NoneType'
  object has no attribute 'lookup'

Status in python-apt package in Ubuntu:
  Expired

Bug description:
  System locked up

  ProblemType: Crash
  DistroRelease: Ubuntu 20.04
  Package: update-manager 1:20.04.1
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu24
  Aptdaemon:
   
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr  7 09:16:14 2020
  ExecutablePath: /usr/bin/update-manager
  InstallationDate: Installed on 2020-03-01 (36 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  InterpreterPath: /usr/bin/python3.8
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update --no-focus-on-map
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonArgs: ['/usr/bin/update-manager', '--no-update', '--no-focus-on-map']
  PythonDetails: N/A
  SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in _records(): 'NoneType' object has no attribute 'lookup'
  UpgradeStatus: Upgraded to focal on 2020-03-25 (12 days ago)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo

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