Messages in this thread | | | Date | Fri, 20 Apr 2012 21:46:41 -0700 | Subject | Re: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe | From | Yinghai Lu <> |
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On Fri, Apr 20, 2012 at 5:09 PM, Yinghai Lu <yinghai@kernel.org> 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
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