Gecko based browsers (mozilla, galeon, epiphany) broken?

["Jean-Luc Coulon (f5ibh)" <jean.luc.coulon@gmail.com>]

Hi,

Since I switched to 64 bit, I remarked that mozilla, galeon, epiphany  
are pretty useless. They crashe with many pages.

firefox doesnt have this problem and I've not found any explanation  
about that. Is there anything really broken for 64 bit ?

Regards

Jean-Luc

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