[Bug 1028640] Re: session-installer crashed with TypeError in _on_property_changed(): could not convert type dbus.Array to PyObject required for parameter 0

[Steve Langasek]

This is the single most frequent crash report in 12.10 right now.
Marking as high-priority, and marking for SRU as well since this appears
to be a regression introduced in SRU.

** Also affects: sessioninstaller (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: sessioninstaller (Ubuntu Quantal)
   Importance: Medium
       Status: Confirmed

** Changed in: sessioninstaller (Ubuntu Precise)
       Status: New => Triaged

** Changed in: sessioninstaller (Ubuntu Quantal)
       Status: Confirmed => Triaged

** Changed in: sessioninstaller (Ubuntu Precise)
   Importance: Undecided => High

** Changed in: sessioninstaller (Ubuntu Quantal)
   Importance: Medium => High

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https://bugs.launchpad.net/bugs/1028640

Title:
  session-installer crashed with TypeError in _on_property_changed():
  could not convert type dbus.Array to PyObject required for parameter 0

Status in “sessioninstaller” package in Ubuntu:
  Triaged
Status in “sessioninstaller” source package in Precise:
  Triaged
Status in “sessioninstaller” source package in Quantal:
  Triaged

Bug description:
  installing mp3 plugins for Rhythmbox and the session installer
  crashed.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: sessioninstaller 0.20+bzr128-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-6.6-generic 3.5.0
  Uname: Linux 3.5.0-6-generic x86_64
  ApportVersion: 2.4-0ubuntu5
  Architecture: amd64
  Date: Tue Jul 24 14:36:05 2012
  ExecutablePath: /usr/bin/session-installer
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120720.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/session-installer
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  PythonArgs: ['/usr/bin/session-installer']
  SourcePackage: sessioninstaller
  Title: session-installer crashed with TypeError in _on_property_changed(): could not convert type dbus.Array to PyObject required for parameter 0
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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