Comment 3 for bug 760877

Killed the kded4 process and wireless was gone.

Then I ran kded4 --check and this was the output:

alfabravo@alfabravoTiger:~$ kded4 --check
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
ntrack backend selected and created: ntrack-libnl1.so
kbuildsycoca4 running...
X Error: BadValue (integer parameter out of range for operation) 2
  Major opcode: 102 (X_ChangeKeyboardControl)
  Resource id: 0xffffff80
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)

No outputs have backlight property
kbuildsycoca4 running...
alfabravo@alfabravoTiger:~$ QDBusConnection: name 'org.kde.powerdevil.backlighthelper' had owner '' but we thought it was ':1.2011'
Object::connect: No such signal QDBusAbstractInterface::Changed()
Invalid D-BUS member name 'idle-hint' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'is-local' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'x11-display-device' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'x11-display' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'display-device' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'remote-host-name' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'session-type' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection
Invalid D-BUS member name 'unix-user' found in interface 'org.freedesktop.ConsoleKit.Session' while parsing introspection

In the end, wireless came back to life as the kded4 process restarted again with "healthy" 23MB in RAM.