Powercycling USB device on hub
peerst at gmail.com
Sat Jul 23 15:44:12 UTC 2011
On Sat, Jul 23, 2011 at 5:17 PM, Hans Petter Selasky <hselasky at c2i.net> wrote:
> On Saturday 23 July 2011 17:18:34 Peer Stritzinger wrote:
>> $ sudo usbconfig -u 3 -a 1 reset
>> usbconfig: could not reset device: Device not configured
>> and after this all devices hat are on this bus are no longer visible
>> to usbconfig until the next reboot.
> This is a known issue which was fixed in stable.
Since power-cycling needs to reset the HUB I now have the problem to
find out on which HUB in the system my device hangs.
There are two HUB's on the same root HUB and I don't want to
power-cycle all devices. Is there a way to learn the physical
structure of a USB bus?
More information about the freebsd-usb