[Bug 927274] Re: update-manager crashed with KeyError in __getitem__(): "The cache has no package named 'linux-headers-3.2.0-12'"

[Gvozdik Artem]

1) run update manager.
2) check for updates.
3) shows that no new updates are available, and then crashes.

12.04 upgraded from 11.10

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https://bugs.launchpad.net/bugs/927274

Title:
  update-manager crashed with KeyError in __getitem__(): "The cache has
  no package named 'linux-headers-3.2.0-12'"

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  run the command sudo apt-get update and Update Manager is working
  again

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.2
  ProcVersionSignature: Ubuntu 3.2.0-11.19-generic 3.2.1
  Uname: Linux 3.2.0-11-generic x86_64
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  Date: Sun Feb  5 16:56:13 2012
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1328467355
   com.ubuntu.update-manager window-height 747
   com.ubuntu.update-manager window-width 611
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111212)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   LANGUAGE=pt_BR:pt:en
   PATH=(custom, no user)
   LANG=pt_BR.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/bin/update-manager']
  SourcePackage: update-manager
  Title: update-manager crashed with KeyError in __getitem__(): "The cache has no package named 'linux-headers-3.2.0-12'"
  UpgradeStatus: Upgraded to precise on 2012-01-28 (8 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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