On Fri, Apr 20, 2012 at 5:09 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: >> What do you mean "strange power state"? The only PCI power states the >> xHCI driver will use is D0 or D3hot. D3hot is entered automatically by >> the USB core runtime PM system when all USB devices are disconnected or >> suspended. So what strange power state are we talking about? > > that's helpful. Can that feature to be disabled? please check and set /sys/bus/pci/devices/0000:11:00.0/power/control /sys/bus/pci/devices/0000:11:00.0/usb?/power/control from auto to on Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
