how to debug swf browser crashes

Question

My swf is occasionally crashing the browser (or just crashing the plugin as chrome tells me).

How do I diagnose the bug? I am developing for flash player 9 using fl

Answer 1

Some specifics on the bug I uncovered regarding masks and textfields:

http://summitprojectsflashblog.wordpress.com/2008/04/16/flash-browser-crashing-bug/

http://team.bkwld.com/2007/11/21/flash-player-crashes-browser-when-closing-window-possible-fix/