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Date:      Mon, 27 Aug 2001 20:37:43 -0700 (PDT)
From:      Archie Cobbs <archie@dellroad.org>
To:        Mike Tancsa <mike@sentex.net>
Cc:        stable@freebsd.org
Subject:   Re: kernel panic when bringing up a VLAN interface (netgraph?)
Message-ID:  <200108280337.f7S3bhD33238@arch20m.dellroad.org>
In-Reply-To: <5.1.0.14.0.20010827183043.042e6198@192.168.0.12> "from Mike Tancsa at Aug 27, 2001 06:32:57 pm"

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Mike Tancsa writes:
> >>On a new machine I am trying to bring up a trunked port to my vlan 
> >>interface.  This is with the most recent fxp patches and STABLE as of 
> >>this afternoon
> >
> >4.4-RC FreeBSD 4.4-RC #0: Mon Aug 27 16:46:47 EDT 2001
> >
> >OK, here is a backtrace. If there is more info required, let me know.
> 
> It seems something to do with netgraph. If I remove all of the netgraph 
> options from the kernel, I am ok.

It appears the problem is that some ethernet interface has
been created (presumably a VLAN interface), yet ether_ifattach()
was never called..  so ng_ether crashes because there's no
node associated with the interface (which there would be had
ether_ifattach() been called).

Maybe a VLAN expert can shed some light?

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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