Comment # 2 on bug 937676 from Petr Mladek

I have pushed the fix for openSUSE-13.2 on April 22, 2015. It will be in the
next maintenance update.

Note that the warning does not affect normal function of the kernel. Only
tracing gets disabled but it used to be disabled in the past by default.

*** This bug has been marked as a duplicate of bug 903727 ***