*** This bug is a duplicate of bug 993187 ***
    https://bugs.launchpad.net/bugs/993187

Public bug reported:

Symptoms:
    Desktop freezes. A look at the clock applet indicates that display stopped 
refreshing. Mouse is movable, but there is no interaction. i.e, clicks do not 
do anything. Keyboard input does nothing.

Known workaround:
    Switch to a tty, login, and run unity --replace. It gets fixed, but the 
problem may recurr after a while.

How to reproduce:
    Some actions trigger this behaviour everytime they are done, for example, 
opening calibre (which doen't open, btw), or trying to delete a file (bypassing 
trash) from nautilus. Othertimes, it occours randomly.

 1. Open nautilus,
 2. Right click a file/folder, and click delete. 
                          OR, with calibre installed,
1. Open Dash
2. Search for calibre
3. Click calibre to open.
                        OR, wait for it to happen all of a sudden.

Details and additional information:
----------
Distributor ID: Ubuntu
Description:    Ubuntu 12.04 LTS
Release:        12.04
Codename:       precise

* Fresh installation, retaining /home from previous 11.10 install. 
* If confirmed as a bug, will be a regression. i.e; everything was working 
flawlessly in 11.10.
* Some wierd proxy config doesn't let me use ubuntu-bug, and so i'm attaching 
.apport files generated by apport-cli.
* Unsure of the culprit, but starting with compiz as a reasonable guess.

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/998727

Title:
  Desktop freezes, mouse movable but no interaction

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