Problem with usbconfig and powerstate

Hans Petter Selasky hselasky at c2i.net
Wed Jan 7 02:24:58 PST 2009


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

--HPS


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