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Date:      Thu, 11 Sep 2008 02:17:14 +0900
From:      Norikatsu Shigemura <nork@FreeBSD.org>
To:        Oliver Fromme <olli@lurza.secnetix.de>, Bruce M Simpson <bms@incunabulum.net>
Cc:        freebsd-stable@FreeBSD.org, Norikatsu Shigemura <nork@FreeBSD.org>
Subject:   Re: Panic when detaching Vodafone 3G card
Message-ID:  <20080911021714.b175db96.nork@FreeBSD.org>
In-Reply-To: <200809101208.m8AC8ims084480@lurza.secnetix.de>
References:  <48C682B7.8000806@incunabulum.net> <200809101208.m8AC8ims084480@lurza.secnetix.de>

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On Wed, 10 Sep 2008 14:08:44 +0200 (CEST)
Oliver Fromme <olli@lurza.secnetix.de> wrote:
> Bruce M Simpson wrote:
>  > I just acquired one of these cards, it attaches as a USB cardbus device.
>  > [...]
>  > If I unplug it, the kernel panics.
> That's expected and a known problem.  The card contains
> an OHCI controller, but the ohci(4) driver doesn't support
> detaching.  I think that's also the reason why you have
> to compile ohci statically in your kernel, there's no
> module for it.
> Solution:  Don't unplug the card.

	Ah! I know this issue.  It has been fixed by imp@ at AsiaBSDCon2008,
	but not committed:-(.

	Please see also: http://people.freebsd.org/~imp/usb-detach.diff



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