On Mon, 10 Dec 2012, Timur wrote: > N7 is not using a vanilla kernel. It is one thing to apply modifications > to the given code base. It would be far more difficult (I think) to > replace the kernel as a whole. Maybe I should back port just as little > code as possible? Or maybe I should try to back port some full building > blocks? Where to make the cut? I also wonder how to make the system take > advantage of ehci_suspend() and ehci_resume(), both marked as > "__maybe_unused". Who is calling these methods? Why are you concerned about those routines? The problem most likely lies in your slave devices -- they don't recover properly from a sudden power loss. You should try unplugging the slave, waiting a few seconds, and then plugging it back in again. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html