[Bug 762366] [NEW] Firefox 4.0 addons page very slow

Launchpad Bug Tracker 762366 at bugs.launchpad.net
Sat Apr 16 16:28:48 UTC 2011


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Every time I open and/or scroll about:addons page system becomes unresponsible for about 5-10 seconds.
Through conky I see that Xorg takes all CPU resources.
I tried:
- removing ~/.mozilla ,
- downloading official build of firefox 4.0, 
- force disabling and force enabling WebGL, 
- disabling/enabling some compiz plugins,
- deleting libmoon (which is incompatible with 4.0 at this moment) 
- exporting MOZ_DISABLE_PANGO=1 before starting firefox (advice from old bugreports)
and nothing helped.
The problem disappears right after I close addons page. But it also takes about 3-4 seconds to close the page.
I have something about 30 addons in total (without them problem still exists).
I believe it may be somehow connected to the usage of nouveau drivers (I have Nvidia GeForce FX5200 GPU).

Release: Ubuntu Natty 11.04 (development branch)
firefox: 4.0+nobinonly-0ubuntu1
unity: 3.8.8-0ubuntu2
xorg: 1:7.6+4ubuntu3
compiz:1:0.9.4+bzr20110415-0ubuntu1
uname -a: 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux

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

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Firefox 4.0 addons page very slow
https://bugs.launchpad.net/bugs/762366
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