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Date:      Thu, 21 Jul 2011 12:47:55 +0200
From:      Peer Stritzinger <peerst@gmail.com>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Powercycling USB device on hub
Message-ID:  <CA%2Bervza7eeMo%2BCePWqV_PRXka4_VdH49JgTc9rEpPZ%2BCXQF2uA@mail.gmail.com>
In-Reply-To: <201107201519.55975.hselasky@c2i.net>
References:  <CA%2BervzZXRTHk6GWSy0HMELaANdwYia4ddQ1pX=tCrPx73pqMtg@mail.gmail.com> <201107201519.55975.hselasky@c2i.net>

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Hi,

On Wed, Jul 20, 2011 at 3:19 PM, Hans Petter Selasky <hselasky@c2i.net> wrote:
> On Wednesday 20 July 2011 14:30:37 Peer Stritzinger wrote:
>>...
> Using the usbconfig utility in 8 stable and 9 current, you can set the
> configuration to 255 which means unconfigured and then 0 for the root HUB. For
> non-root HUBs you can BUS-reset the devices usbconfig -d X.Y reset or
> set_config aswell.

Do I understand this right: I reset the USB Hub device to powercycle
all devices connected to it?

>There is also a power_off command, but your device might
> not come back after that.

This would probably really not help since I try to reboot a USB device
with hung software, so it won't recognize any commands itself.

-- Peer



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