cinnamon --replace
      JS LOG: About to start Cinnamon
Window manager warning: Log level 16: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject
Window manager warning: Log level 16: Error registering polkit authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject (polkit-error-quark 0)
      JS LOG: Cinnamon started at Wed Dec 05 2012 18:20:41 GMT-0200 (BRST)
      JS LOG: network applet: Cannot find connection for active (or connection cannot be read)
      JS LOG: pushModal: invocation of begin_modal failed
Window manager warning: Log level 8: meta_end_modal_for_plugin: assertion `compositor->modal_plugin == plugin' failed
    JS ERROR: !!!   Exception in callback for signal: open-state-changed
    JS ERROR: !!!     message = '"incorrect pop"'
    JS ERROR: !!!     fileName = '"/usr/share/cinnamon/js/ui/main.js"'
    JS ERROR: !!!     lineNumber = '893'
    JS ERROR: !!!     stack = '"popModal([object _private_St_BoxLayout])@/usr/share/cinnamon/js/ui/main.js:893
()@/usr/share/cinnamon/js/ui/popupMenu.js:1831
([object Object],false)@/usr/share/cinnamon/js/ui/popupMenu.js:1867
_emit("open-state-changed",false)@/usr/share/gjs-1.0/signals.js:124
(true)@/usr/share/cinnamon/js/ui/popupMenu.js:1246
()@/usr/share/cinnamon/js/ui/popupMenu.js:1123
([object _private_Meta_Display])@/usr/share/cinnamon/applets/menu@cinnamon.org/applet.js:740
"'
      JS LOG: network applet: Found connection for active