[SalesForce] Developer Console not showing covered lines by test method

I want to know the lines of my apex class which are not covered by the test classes. I know its only possible in developer console now. But seems to be some issue there again.

I ran all tests in developer console. And I opened the controller in the console that I want the coverage for. But it shows no coverage. When I checked in the browser though for this class, it shows 80%. But here it shows nothing, doesn't show which line are convered and not.

The dropdown in the image below should ideally show me the list of all test classes and All classes. but it itsn't. What is the problem? Please let me know. Or any other alternatives please?

Thanks