[Bug 946718] Re: backend_helper.py crashed with RuntimeError in add_signal_receiver(): To make asynchronous calls, receive signals or export objects, D-Bus connections must be attached to a main loop by passing mainloop=... to the constructor or calling dbus.set_default_main_loop(...)

[Sebastien Bacher]

Hey Michael, that bug is one of the frequent issue we get on
errors.ubuntu.com, is there any chance you could have a look to it?

** Changed in: update-notifier (Ubuntu)
       Status: Incomplete => Confirmed

** Also affects: update-notifier (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: update-notifier (Ubuntu Precise)
   Importance: Undecided => High

** Changed in: update-notifier (Ubuntu Precise)
    Milestone: None => ubuntu-12.04.1

** Changed in: update-notifier (Ubuntu Precise)
     Assignee: (unassigned) => Michael Terry (mterry)

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https://bugs.launchpad.net/bugs/946718

Title:
  backend_helper.py crashed with RuntimeError in add_signal_receiver():
  To make asynchronous calls, receive signals or export objects, D-Bus
  connections must be attached to a main loop by passing mainloop=... to
  the constructor or calling dbus.set_default_main_loop(...)

Status in “update-notifier” package in Ubuntu:
  Confirmed
Status in “update-notifier” source package in Precise:
  New

Bug description:
  Crashing when attempting to update applications.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: update-notifier-common 0.118.1ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  ApportVersion: 1.94-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.305
  Date: Sun Mar  4 23:23:52 2012
  ExecutablePath: /usr/lib/update-notifier/backend_helper.py
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120304)
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/lib/update-notifier/backend_helper.py add_cdrom /media/Ubuntu\ 11.10\ i386
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/lib/update-notifier/backend_helper.py', 'add_cdrom', '/media/Ubuntu 11.10 i386']
  SourcePackage: update-notifier
  Title: backend_helper.py crashed with RuntimeError in add_signal_receiver(): To make asynchronous calls, receive signals or export objects, D-Bus connections must be attached to a main loop by passing mainloop=... to the constructor or calling dbus.set_default_main_loop(...)
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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