[Bug 1579250] Re: package update-notifier-common 3.168 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

Processing triggers for update-notifier-common (3.168) ...
Traceback (most recent call last):
  File "/usr/lib/update-notifier/package-data-downloader", line 305, in <module>
    process_download_requests()
  File "/usr/lib/update-notifier/package-data-downloader", line 225, in process_download_requests
    db = debconf.DebconfCommunicator('update-notifier')
  File "/usr/lib/python3/dist-packages/debconf.py", line 129, in __init__
    write=self.dccomm.stdin)
  File "/usr/lib/python3/dist-packages/debconf.py", line 50, in __init__
    self.setUp(title)
  File "/usr/lib/python3/dist-packages/debconf.py", line 56, in setUp
    self.capabilities = self.capb().split()
  File "/usr/lib/python3/dist-packages/debconf.py", line 62, in <lambda>
    lambda *args, **kw: self.command(command, *args, **kw))
  File "/usr/lib/python3/dist-packages/debconf.py", line 83, in command
    status = int(status)
ValueError: invalid literal for int() with base 10: ''
dpkg: error processing package update-notifier-common (--unpack):
 subprocess installed post-installation script returned error exit status 1

This points to some sort of problem with debconf on your system.  Were
you shown any configuration prompts while installing these packages, and
if so, what did you do with those prompts?  Is this probelem
reproducible?

You say 'aptitude' - so you were running aptitude from the commandline
when this happened?

** Changed in: update-notifier (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1579250

Title:
  package update-notifier-common 3.168 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in update-notifier package in Ubuntu:
  Incomplete

Bug description:
  crashing while aptitude is installing packages

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: update-notifier-common 3.168
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  Date: Fri May  6 15:37:27 2016
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2016-05-06 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
  PackageArchitecture: all
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1
   apt  1.2.10ubuntu1
  SourcePackage: update-notifier
  Title: package update-notifier-common 3.168 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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