Problem with usbconfig and powerstate

Hans Petter Selasky hselasky at
Wed Jan 7 02:57:14 PST 2009

On Wednesday 07 January 2009, Hans Petter Selasky wrote:
> On Wednesday 07 January 2009, Alexander Best wrote:
> > hi there,
> >
> > i'm having a bit of a problem with usbconfig. the problem first occured a
> > few days ago. when i try to disable a usb device with power_off the power
> > state changes to SAVE and not OFF. if i try to enable the usb device with
> > power_on it won't work although usbconfig tells me the power state is ON.
> > the only way to get the usb device working again is to unlpug it and plug
> > it in again.
> >
> > last week i could switch the power state from off to on and vice versa
> > without any problems.
> Hi,
> Last week power-save support was introduced. It might be a minor bug in the
> HC driver's power save support. What host controller are you using?
> dmesg | grep -i usb

Here are some patches which you can try:


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