[Bug 1637684] Re: package base-files 9.4ubuntu4.2 failed to install/upgrade: end of file on stdin at conffile prompt

[Steve Langasek]

The logs attached to your bug report show that:
 - You have an /etc/update-motd.d/10-help-text.txt file on your system which has been customized to contain Indonesian help text in a way that, if it was done by a package, would not be policy compliant
 - This customization generated a prompt on upgrade asking whether to keep your installed version of this conffile, or take the new version of the conffile from the package
 - Either from you, or from some software component, the prompt was sent an end of file (^D) instead of an answer.

Questions for you:
 - what tool did you use to apply software updates?
 - did you see this prompt about the conffile?  if so, what action did you take?
 - do you know why /etc/update-motd.d/10-help-text.txt is modified on your system?

I also see from the log that this was an error that happened when you
were applying updates in June.  I don't know why this apport bug report
is only being submitted now.  It's understandable if you don't remember
what you did as part of an upgrade back in June; however, if at all
possible, we would like to understand exactly what happened as part of
your upgrade in order to best fix this bug.

I am able to reproduce this problem just by running apt from a
commandline and hitting ^D at a conffile prompt.  This part is
definitely a dpkg bug, as dpkg should use the default option (default=N)
on EOF instead of aborting.

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

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https://bugs.launchpad.net/bugs/1637684

Title:
  package base-files 9.4ubuntu4.2 failed to install/upgrade: end of file
  on stdin at conffile prompt

Status in base-files package in Ubuntu:
  Incomplete

Bug description:
  I don'know

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: base-files 9.4ubuntu4.2
  ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
  Uname: Linux 4.4.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Wed Jun 29 02:11:08 2016
  Dependencies:
   
  Df:
   Filesystem     1K-blocks  Used Available Use% Mounted on
   udev             8036636     0   8036636   0% /dev
  ErrorMessage: end of file on stdin at conffile prompt
  InstallationDate: Installed on 2016-10-29 (0 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: base-files
  Title: package base-files 9.4ubuntu4.2 failed to install/upgrade: end of file on stdin at conffile prompt
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.update-motd.d.10-help-text: 2016-09-05T02:11:11

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