Comment 22 for bug 564181

(In reply to comment #21)

> I've managed to find a way to trigger this - just use flash -
> something which doesn't usually happen as I run flashblock. Unblocking a flash
> totally trashes perf even after seamonkey is closed

More testing shows that not just any flash will trigger it, but this one does -

http://www.speedtest.bbmax.co.uk/