https://bugs.freedesktop.org/show_bug.cgi?id=75127
--- Comment #11 from Sandeep sandy.8925@gmail.com --- I've started using git bisect to find the bad commit(s)
I am bisecting between 3.12 and 3.13 (as tagged)
Results so far: 42a2d923cc349583ebf6fdd52a7d35e1c2f7e6bd - good