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Date:      Wed, 10 Sep 2008 14:08:44 +0200 (CEST)
From:      Oliver Fromme <olli@lurza.secnetix.de>
To:        freebsd-stable@FreeBSD.ORG, bms@incunabulum.net
Subject:   Re: Panic when detaching Vodafone 3G card
Message-ID:  <200809101208.m8AC8ims084480@lurza.secnetix.de>
In-Reply-To: <48C682B7.8000806@incunabulum.net>

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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.

The problem is supposed to be fixed with usb4bsd, but I
haven't tried it myself.

Best regards
   Oliver

-- 
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606,  Geschäftsfuehrung:
secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün-
chen, HRB 125758,  Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart

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"Perl will consistently give you what you want,
unless what you want is consistency."
        -- Larry Wall



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