[Bug 1788192] Re: package base-files 10.1ubuntu2.2 failed to install/upgrade: end of file on stdin at conffile prompt

[Steve Langasek]

You seem to have an upgrade failure because the configuration files from
the base-files package have been locally modified on your system, and a
new version of the configuration files is available in the updated
package, and this requires guidance from the end user to know which
version of the config files you want.  Are these updates being applied
noninteractively through unattended-upgrades?  While the specific error
message is unhelpful, I don't know that we would fix the root of this
issue in unattended-upgrades; instead, you probably want to run 'update-
manager' on your desktop to upgrade the package interactively and decide
what to do with these config files using the prompt.

It is also strange that apport reports all of these conffiles as
modified on your system.  The ones attached to your bug report appear to
be identical to the ones shipped in the base-files package.

** Changed in: base-files (Ubuntu)
       Status: New => Incomplete

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Title:
  package base-files 10.1ubuntu2.2 failed to install/upgrade: end of
  file on stdin at conffile prompt

Status in base-files package in Ubuntu:
  Incomplete

Bug description:
  I have been facing update problems every month.

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: base-files 10.1ubuntu2.2
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  AptOrdering:
   base-files:amd64: Install
   base-files:amd64: Configure
   NULL: ConfigurePending
  Architecture: amd64
  Date: Tue Aug 21 10:15:39 2018
  Dependencies:
   
  ErrorMessage: end of file on stdin at conffile prompt
  InstallationDate: Installed on 2018-03-14 (159 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
  Python3Details: /usr/bin/python3.6, Python 3.6.5, unpackaged
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, unpackaged
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.3
  SourcePackage: base-files
  Title: package base-files 10.1ubuntu2.2 failed to install/upgrade: end of file on stdin at conffile prompt
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.issue:
   Ubuntu 18.04 LTS \n \l
  modified.conffile..etc.issue.net: Ubuntu 18.04 LTS
  modified.conffile..etc.lsb-release:
   DISTRIB_ID=Ubuntu
   DISTRIB_RELEASE=18.04
   DISTRIB_CODENAME=bionic
   DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
  mtime.conffile..etc.issue: 2018-04-24T05:34:22
  mtime.conffile..etc.issue.net: 2018-04-24T05:34:22
  mtime.conffile..etc.legal: 2015-10-22T15:15:21
  mtime.conffile..etc.lsb-release: 2018-04-24T05:33:11
  mtime.conffile..etc.update-motd.d.00-header: 2015-10-22T15:15:21
  mtime.conffile..etc.update-motd.d.10-help-text: 2016-06-14T09:23:23
  mtime.conffile..etc.update-motd.d.50-motd-news: 2017-06-29T12:35:01

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