** Description changed:

  Binary package hint: lubuntu-artwork
+ 
+ SRU :
+ 1. This bug impact all Lubuntu users using the theme by default, increasing 
the CPU usage for all applications. It's more visible on limited hardware, 
which is the target of Lubuntu.
+ 2. This bug was fixed on 0.15 version of lubuntu-artwork. The animation 
setting was turn off (it's also the case for Ubuntu theme).
+ 3. The patch is available on bzr branch of lubuntu-artwork for Natty 
(http://bazaar.launchpad.net/~lubuntu-desktop/+junk/lubuntu-artwork-natty/revision/92)
+ 4. You can reproduce the bug by launching lxtask. You should have an increase 
of the CPU usage on Xorg and on lxtask itself.
+ 5. The only regression I'm aware is the removal of animation of the progress 
bar. But as Ubuntu don't use this type of settings, I think it's quite safe to 
turning it off. I also used it during a week, without any problems.
  
  I noticed an increase of the CPU usage when using lxtask, and the new
  gtk theme is Lubuntu 11.04. There is ~ + 20 % of CPU usage between the
  old gtk theme and the new one, using a 1 Ghz CPU. I still don't know if
  it's the theme itself, or the use of murrine + cairo on my machine which
  is problematic.
  
  Using a eeePC 701, Intel driver.

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https://bugs.launchpad.net/bugs/776776

Title:
  CPU increase when using lxtask + 11.04 gtk theme

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