https://bugzilla.kernel.org/show_bug.cgi?id=96351
--- Comment #10 from Alex Deucher alexdeucher@gmail.com --- Git is a source management tool that provides a relatively easy method to track down regressions. See some example howtos: http://git-scm.com/docs/git-bisect https://www.kernel.org/pub/software/scm/git/docs/git-bisect-lk2009.html