[Bug 1052360] Re: unattended-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)

[Miroslav Bauer]

Same problem here on Debian 6 with unattended-updates ver. 0.62.2:

ERROR error message: 'E:Sub-process /usr/bin/dpkg returned an error code
(2)'

unattended-upgrades-dpkg log:

dpkg: warning: 'ldconfig' not found in PATH or not executable.
dpkg: warning: 'start-stop-daemon' not found in PATH or not executable.
dpkg: warning: 'update-rc.d' not found in PATH or not executable.
dpkg: 3 expected programs not found in PATH or not executable.
NB: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin.

# echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/bin/

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https://bugs.launchpad.net/bugs/1052360

Title:
  unattended-upgrade crashed with SystemError: E:Sub-process
  /usr/bin/dpkg returned an error code (2)

Status in “unattended-upgrades” package in Ubuntu:
  Incomplete

Bug description:
  Happens by itself

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: unattended-upgrades 0.73ubuntu1.1
  ProcVersionSignature: Ubuntu 3.0.0-26.42-generic 3.0.42
  Uname: Linux 3.0.0-26-generic i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Tue Sep 18 09:24:15 2012
  ExecutablePath: /usr/bin/unattended-upgrade
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/unattended-upgrade
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/sh
  PythonArgs: ['/usr/bin/unattended-upgrade']
  SourcePackage: unattended-upgrades
  Title: unattended-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)
  Traceback: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  mtime.conffile..etc.apt.apt.conf.d.50unattended.upgrades: 2012-08-24T13:58:31.952771

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