Date: Sat, 23 Jul 2011 17:55:23 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Peer Stritzinger <peerst@gmail.com> Cc: freebsd-usb <freebsd-usb@freebsd.org> Subject: Re: Powercycling USB device on hub Message-ID: <201107231755.23755.hselasky@c2i.net> In-Reply-To: <CA%2BervzbnXmwpKpi=craQVM8O13=8if8gKaxPLot1etDPRSREHA@mail.gmail.com> References: <CA%2BervzZXRTHk6GWSy0HMELaANdwYia4ddQ1pX=tCrPx73pqMtg@mail.gmail.com> <201107231717.34403.hselasky@c2i.net> <CA%2BervzbnXmwpKpi=craQVM8O13=8if8gKaxPLot1etDPRSREHA@mail.gmail.com>
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On Saturday 23 July 2011 17:44:11 Peer Stritzinger wrote: > Hi, > > On Sat, Jul 23, 2011 at 5:17 PM, Hans Petter Selasky <hselasky@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. > > Great. > > 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? devinfo Address 1 is always the root HUB. --HPS
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