From owner-freebsd-usb@FreeBSD.ORG  Wed Apr 22 08:42:12 2009
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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org, vova@fbsd.ru,
	Andrew Thompson <thompsa@freebsd.org>
Date: Wed, 22 Apr 2009 10:44:41 +0200
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Cc: usb <usb@freebsd.org>
Subject: Re: Recent changes in USB stack broke dock disconnection - panic
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On Wednesday 22 April 2009, Vladimir Grebenschikov wrote:
> Hi
>
> Some recent changes in USB2 stack make panic on IBM dock disconnection.
>
> As far as I understand USB controller in dock seen by notebook through PCIe
> bus. On dock disconnection all USB devices should be safely disconnected.
>
> This works before with old USB stack and with early versions of new USB
> stack.
>

This issue has been fixed, but not committed yet?

http://perforce.freebsd.org/chv.cgi?CH=160413

--HPS