I've been attempting to run down the cause of my iMac being constantly at 100% CPU.
Here's part of the cause:
Clicking anywhere in a Firefox browser window pegs the CPU usage to 100%.
Using 10.4.8 and Firefox 1.5.0.8, I can still reproduce this ugly bug.
See Firefox Bug Causes 100% CPU Usage on Mac OS X for more.
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Posted by ellen at November 09, 2006 11:40 PM