Panic when detaching Vodafone 3G card

Norikatsu Shigemura nork at
Wed Sep 10 17:17:16 UTC 2008

On Wed, 10 Sep 2008 14:08:44 +0200 (CEST)
Oliver Fromme <olli at> 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:

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