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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

This isn't actually specific to the guest session. I also get this when
running another "real user" session. .xsession-errors complains that
unity-window-decorator fails to start because it cannot open display
:0.0. This is not surprising, as :0.0 is my primary X session of my own
user, and the current X $DISPLAY is :1 or :2. When I start unity-window-
decorator in a terminal, it works just fine, though.

Didier, could that be related to the startup checks which session to
use? Does anything hardcode display :0 there? I can't see anything
obvious in 01_unity_window_decorator.patch, but this issue reproduces
perfectly well for me as well.

** Summary changed:

- Title bar missing in GTK+ dialogs
+ unity-window-decorator doesn't start on secondary X session

** Package changed: gdm-guest-session (Ubuntu) => compiz (Ubuntu)

** Changed in: compiz (Ubuntu)
       Status: New => Confirmed

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

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https://bugs.launchpad.net/bugs/730495

Title:
  unity-window-decorator doesn't start on secondary X session