Hi Linus, here in my environment I hit a pm/runtime problem. For people seeing this too, [1] has the fix "PM / runtime: Avoid false-positive warnings from might_sleep_if()". Just for the records. Regards, - Sedat - [1] http://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=a9306a63631493afc75893a4ac405d4e1cbae6aa