Panic when detaching Vodafone 3G card
nork at FreeBSD.org
Wed Sep 10 17:17:16 UTC 2008
On Wed, 10 Sep 2008 14:08:44 +0200 (CEST)
Oliver Fromme <olli at 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
More information about the freebsd-stable