Segmentation fault on FF 21

[Mte90]

Anyone can help me?
there is a way for get an error on console, actualy i get only segmentation
fault.

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Hello everyone!
I use siduction with the repo mozilla.debian.net for get the aurora version
21 of firefox.
i have this problem with version 20 and I was hoping that with the upgrade
to 21 is resolved.
Now on my pc when i open some site with firefox i get an segmentation fault.
An example of the sites that crash the browser:
Tweeria.com
Theqwerty.org
http://cssdeck.com/picks/5
https://developer.mozilla.org/en-US/demos/detail/3d-assembly/launch
I have no idea for this error...
On the same pc chromium with same site not crash.
I am using the ati proprietary driver 13.3.

Anyone can help me?
Mte90
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