[Bug 99740] [NEW] Firefox problems with desktop-effects

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If Firefox is running when Desktop Effects are enabled on my Dell
Inspiron 6000 or my HP zd7000, Firefox becomes an unresponsive window
with no window decorations.  It's not possible to maximize, move it, or
otherwise interact with it.  Disabling Desktop Effects restores sanity.

I retest desktop-effects every couple weeks, and this problem persists.
Since firefox is probably the single most important application used by
most users, this problem pretty much guarantees no casual user will use
Desktop Effects.

**Steps to reproduce :
1. Open a single instance of Firefox with no tabs open.
2. Go to http://www.htmlgoodies.com/legacy/beyond/javascript/bigsmall.html
3. Click the "Maximize" link located at the top left of this webpage.
4. Close Firefox.
5. Re-open Firefox.
6. Now the titlebar for Firefox and upper/lower panels should be missing.

Or

1. Use the bigger resolution that your computer can take and open Firefox.
2. If not already done, demaximize the Firefox window (right clic / Demaximize).
3. Close Firefox
4. Change the screen resolution for a very lower one.
5. Open Firefox

**Workaround : Install compizconfig-settings-manager , start ccsm, click
on "Workarounds" plugin in the "Utility" section and uncheck "Legacy
Fullscreen Support".

** Affects: firefox (Ubuntu)
     Importance: Medium
         Status: Confirmed

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Firefox problems with desktop-effects
https://bugs.launchpad.net/bugs/99740
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