Originally Posted by netllama
Does this problem occur as soon as X is started or after some period of time/activity?
Does this problem still persist after you disabled the Composite extension?
Q1. It usually happens after some time. I too have seen those freezes.
Q2. I don't think that's the right approach to ask every user about, "Does this help, Does that help.". I'm sure you should be having a lab there. Why don't you guys try reproducing the bug in your lab ?