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Date: Tue, 02 Oct 2007 08:17:32 +0400
From: "Andrey V. Elsukov" <bu7cher@yandex.ru>
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To: David Benfell <benfell@parts-unknown.org>
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Cc: freebsd-usb@freebsd.org
Subject: Re: USB goes away
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David Benfell wrote:
> My scanner (also connected) doesn't seem to be recognized.
> I'm really getting tired of having to reboot my system
> every time I want to do something with USB.  What gives?

I've observed that an USB camera om my notebook (not yet supported)
periodically go away.

Oct  1 20:26:16 btr-nb kernel: ugen0: at uhub1 port 8 (addr 2) 
disconnected
Oct  1 20:26:16 btr-nb kernel: ugen0: detached
Oct  1 20:26:19 btr-nb kernel: ugen0: <vendor 0x0402 USB2.0 Camera, 
class 0/0, rev 2.00/1.00, addr 2> on uhub1

The hardware is MCP51 USB Controller (ohci/ehci).

-- 
WBR, Andrey V. Elsukov