update-manager crashed with AuthorizationFailed in _run(): org.freedesktop.PolicyKit.Error.Failed: ('system-bus-name', {'name': ':1.68'}): org.debian.apt.update-cache

[Sune Keller]

Binary package hint: update-manager

1)
$ lsb_release -rd
Description: Ubuntu Natty (development branch)
Release: 11.04

2)
$ apt-cache policy update-manager
update-manager:
  Installed: 1:0.146.3
  Candidate: 1:0.146.3
  Version table:
 *** 1:0.146.3 0
        500 http://archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status

3) I clicked "Check" to check for updates, expecting any updated package lists to be fetched.

4) Instead, when clicking "Check" to check for updates, nothing happens except for the window being disabled. After a long while I get a message box telling me the daemon died.
In the terminal I get the following:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 472, in _inline_callbacks
    result = gen.throw(result.type, result.value, result.traceback)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/gtkwidgets.py", line 633, in _run
    yield self._transaction.run()
aptdaemon.errors.AuthorizationFailed: org.freedesktop.PolicyKit.Error.Failed: ('system-bus-name', {'name': ':1.68'}): org.debian.apt.update-cache

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.146.3
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic x86_64
Architecture: amd64
Date: Sat Mar 12 01:51:01 2011
ExecutablePath: /usr/bin/update-manager
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110308)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python2.7 /usr/bin/update-manager
ProcEnviron:
 SHELL=/bin/bash
 LC_MESSAGES=en_GB.UTF-8
 LANG=en_DK.UTF-8
 LANGUAGE=en_GB:en_US:en
PythonArgs: ['/usr/bin/update-manager']
SourcePackage: update-manager
Title: update-manager crashed with AuthorizationFailed in _run(): org.freedesktop.PolicyKit.Error.Failed: ('system-bus-name', {'name': ':1.68'}): org.debian.apt.update-cache
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #710026, so 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. Please continue to report any other bugs you may find.

[Sune Keller (sune-keller)]

I would love to add more info to the mentioned bug, but it seems to be private. When trying to access bug #710026 at https://bugs.launchpad.net/bugs/710026 I get a "Not allowed here".