Intermittently Firefox 4.0.1 is crashing on Ubuntu 11.04 and logging out. Sometimes it happens if I open an arbitrary website such as http://www.omgubuntu.co.uk I am NOT streaming any videos. Please let me know how to solve this or at least reasons behind this.
closed as off topic by Marco Ceppi♦ Feb 6 '12 at 0:06
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I suspect it's an issue with your video card combined with newer Firefox technologies. Try turning off WebGL:
If you want to debug the issue, you need to save the file