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[Launchpad Bug Tracker <606558@xxxxxxxxxxxxxxxxxx>]

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Short form : When switching back & forth to another user (such as the
guest account), while Compiz is enabled and an OpenOffice.org document
is opened, OpenOffice gets extremely slow until you quit / relaunch it
or disable compositing.

Long form : Here's how to reproduce this issue :

1) log in to any account with Compiz enabled
2) open any OO.org text document
3) switch to another account (for instance, the guest account, that uses compositing as well)
4) switch back to the first account
5) expected behaviour : OO.org continues to work properly, smooth scrolling, reactive GUI...
--> Actual behaviour : OO.org gets unusable ; scrolling is extremely slow, the GUI takes much time to react, the X.org process eats much CPU.
6) in order to get OO.org to work properly again : either disable compositing or quit and relaunch OO.org

It doesn't seem to affect any other app.

My setup :

Ubuntu 10.04
Nvidia proprietary drivers 256.35
go-OO.org 3.2.0
Compiz enabled

** Affects: compiz
     Importance: Undecided
         Status: New

** Affects: df-libreoffice
     Importance: High
         Status: Invalid

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Affects: nvidia-drivers-ubuntu
     Importance: Undecided
         Status: New

** Affects: openoffice.org (Ubuntu)
     Importance: Undecided
         Status: Won't Fix

-- 
Switching user while Compiz enabled makes OpenOffice.org crawl (extremely slow scrolling)
https://bugs.launchpad.net/bugs/606558
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