User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.5; rv:7.0.1) Gecko/20100101 Firefox/7.0.1 Build ID: 20110928134238 Steps to reproduce: I minimized Firefox with 3 tabs open and then attempted to maximize it again to open a new tab. Actual results: Firefox froze my whole computer for a while and then finally started to work, after I had closed almost every other program in the background. Expected results: It should have just opened and let me open a new tab with minimal to no freezing.
I also had pages, text edit, and yahoo messenger running in the background when I tried to open it.
Have you tried to reproduce this issue using the latest Firefox? http://www.mozilla.org/en-US/firefox/new/
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