[Bug 936870] Re: unattended upgrade failing due to incorrectly detected conffile prompt due to "newconffile" line

[Brian Murray]

Tim, yes we should fix this in Lucid also.  I'm happy to do the uploads
to the -proposed queue to fix this bug, however the bug report could use
a test case so we can verify that the fix in fact works.  Do you happen
to know of a specific way to trigger this bug?  Thanks in advance.

** Also affects: unattended-upgrades (Ubuntu Lucid)
   Importance: Undecided
       Status: New

** Changed in: unattended-upgrades (Ubuntu Lucid)
       Status: New => Triaged

** Changed in: unattended-upgrades (Ubuntu Lucid)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/936870

Title:
  unattended upgrade failing due to incorrectly detected conffile prompt
  due to "newconffile" line

Status in “unattended-upgrades” package in Ubuntu:
  Fix Released
Status in “unattended-upgrades” source package in Lucid:
  Triaged
Status in “unattended-upgrades” source package in Precise:
  Triaged

Bug description:
  On severa hundredl of our Ubuntu machines, we have unattended upgrades
  active.  Over the weekend, this started reporting on all machines with
  dhcpcd installed that it could not upgrade that package due to a
  conffile prompt.  This looks very similar to #773007  and #336558,
  both of which are marked as fixed.

  On one of the machines, I've run unattended-upgrades --debug, and
  attached the output below.  The MD5 sums seem to match (which is a
  relief - I didn't think I was modifying these files), so I don't know
  why the conffile prompt is being detected.  If I run apt-get safe-
  upgrade on its own, it successfully upgrades the package with no
  prompting.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: unattended-upgrades 0.55ubuntu7
  ProcVersionSignature: Ubuntu 2.6.32-37.81-server 2.6.32.49+drm33.21
  Uname: Linux 2.6.32-37-server x86_64
  Architecture: amd64
  Date: Mon Feb 20 10:06:00 2012
  InstallationMedia: Ubuntu-Server 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.2)
  PackageArchitecture: all
  ProcEnviron:
   SHELL=/usr/local/bin/bash
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
  SourcePackage: unattended-upgrades

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