Firefox causes 100% CPU usage on Mac OS X
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 220.127.116.11, I can still reproduce this ugly bug.
See Firefox Bug Causes 100% CPU Usage on Mac OS X for more.