base rate of 50 now gone to 125 per day http://input.mozilla.com/en-US/beta/search?product=firefox&version=--&q=hang base rate of 25 now gone to 125 http://input.mozilla.com/en-US/beta/search?product=firefox&version=--&q=lock not much useful information to connect to a site or plugin, or addon update a lot of the comments assoicate with gmail, facebook, bing.... but there was this one comment http://input.mozilla.com/en-US/beta/opinion/1772584 Solved: ff hangs on search results page (google and bing) win7 sp1 - problem solved - incompatible extension mcafee site advisor

not enough to block on yet, but we probably need to figure this out before shipping to fix a problem or do some outreach.

Why is this filed in plugins, if the only data is that McAfee site advisor might be the root cause? And is this really mac-specific?

McAfee Site Advisor has been causing quite a few issues with hangs, crashes and other undesirable behaviour. See bug 637542.

This looks like a dupe of the McAffee Site Advisor bug, yes.