https://bugzilla.kernel.org/show_bug.cgi?id=64781
--- Comment #3 from Giannis karzisss@hotmail.com --- The problem exist from web video playback (HTML5 or Flash video) to VLC and Parole.
It is affecting everything. Playback settings are the default on (X)ubuntu.
I already bisect kernel versions but I can't with commit bisect. I am novice user and build a custom kernel to find the commit is too hard for me.