Happens if zeitgeist isn't installed.
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-lens-video 0.3.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-14.23-generic 3.2.3
Uname: Linux 3.2.5-utrace x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.95-0ubuntu1
Architecture: amd64
Date: Sat Mar 24 22:56:48 2012
ExecutablePath: /usr/lib/unity-lens-video/unity-lens-video
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64+mac (20110901)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/unity-lens-video/unity-lens-video
ProcEnviron:
SHELL=/bin/bash
LANG=en_US.UTF-8
PythonArgs: ['/usr/lib/unity-lens-video/unity-lens-video']
SourcePackage: unity-lens-video
Title: unity-lens-video crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.zeitgeist.Engine was not provided by any .service files
UpgradeStatus: Upgraded to precise on 2012-01-12 (72 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare stapdev stapusr