[Bug 1031377] Re: update-manager crashed with TypeError in refresh_cache(): Can't convert 'SystemError' object to str implicitly

[Robert Roth]

*** This bug is a duplicate of bug 1031280 ***
    https://bugs.launchpad.net/bugs/1031280

 Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug #1031280, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.

** This bug has been marked a duplicate of private bug 1031280

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https://bugs.launchpad.net/bugs/1031377

Title:
  update-manager crashed with TypeError in refresh_cache(): Can't
  convert 'SystemError' object to str implicitly

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Keeps crashing.

  I get the following error message on the command line:

  Calculating upgrade... Failed
  The following packages have unmet dependencies:
   xserver-xorg : Depends: xserver-xorg-video-all but it is not going to be installed or
                           xorg-driver-video
                  Depends: xserver-xorg-input-all but it is not going to be installed or
                           xorg-driver-input
                  Depends: xserver-xorg-input-evdev but it is not going to be installed
  E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: update-manager 1:0.168
  ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7
  Uname: Linux 3.5.0-5-generic x86_64
  ApportVersion: 2.4-0ubuntu6
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Jul 31 09:45:15 2012
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1343745858'
   b'com.ubuntu.update-manager' b'window-height' b'254'
   b'com.ubuntu.update-manager' b'window-width' b'640'
  InterpreterPath: /usr/bin/python3.2mu
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/bin/update-manager']
  SourcePackage: update-manager
  Title: update-manager crashed with TypeError in refresh_cache(): Can't convert 'SystemError' object to str implicitly
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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