Date: Sat, 23 Jul 2011 17:44:11 +0200 From: Peer Stritzinger <peerst@gmail.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb <freebsd-usb@freebsd.org> Subject: Re: Powercycling USB device on hub Message-ID: <CA%2BervzbnXmwpKpi=craQVM8O13=8if8gKaxPLot1etDPRSREHA@mail.gmail.com> In-Reply-To: <201107231717.34403.hselasky@c2i.net> References: <CA%2BervzZXRTHk6GWSy0HMELaANdwYia4ddQ1pX=tCrPx73pqMtg@mail.gmail.com> <201107211249.03972.hselasky@c2i.net> <CA%2BervzYe-eTa0he14VvHkmN-9gwD0hahBAjJXqbQeeKX3zuNsQ@mail.gmail.com> <201107231717.34403.hselasky@c2i.net>
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Hi, On Sat, Jul 23, 2011 at 5:17 PM, Hans Petter Selasky <hselasky@c2i.net> wro= te: > On Saturday 23 July 2011 17:18:34 Peer Stritzinger wrote: >> =A0$ 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? -- Peer > > --HPS >
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