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Date: Mon, 06 Nov 2000 18:19:58 +0200
From: Tim Priebe <tim@polytechnic.edu.na>
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To: Maikel Verheijen <maikel@worldonline.nl>
Cc: freebsd-stable@freebsd.org
Subject: Re: vlanning causing kernel panics?
References: <20001106163338.A30298@duckling.worldonline.nl>
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It may or may not be the same problem I had a short while back, I have
not had the opertunity to get back to my testing. Is xl1 up and
configured? I found with ti0 that if I configured a vlan interface on
ti0 before I configured ti0 it would give a simalar panic. Configure ti0
first, and everything was fine.
This may not be your problem, as I have configured vlan device before xl
interfaces in the past (3.x), without any panics.

Tim.

Maikel Verheijen wrote:
> 
> Hi all!
> 
> While trying to use vlan's under FreeBSD, my machine keeps on kernel panicing
> when I try to ifconfig the vlan interface.
> 
> What I did in short:
> 
> - Made a kernel with:
> pseudo-device   vlan    20 # Get 20 vlan interfaces
> 
> - Rebooted (of course :)
> 
> - did a:
> /sbin/ifconfig vlan0 vlan 120 vlandev xl1
> /sbin/ifconfig vlan0 inet 10.10.10.10 netmask 255.255.255.0
> 
> where xl1 is my interface that is connected to a cisco catalyst,
> supporting vlan tagging.
> 
> What I get is the following:
> 
> --SNIP--
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x4
> fault code              = supervisor write, page not present
> instruction pointer     = 0x8:0xc02291c3
> stack pointer           = 0x10:0xc9909c74
> frame pointer           = 0x10:0xc9909c84
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> preprocessor eflags     = interrupt enabled, resume, IOPL = 0
> current process         = 149 (ifconfig)
> interrupt mask          = net tty
> trap number             = 12
> panic: page fault
> --SNIP--
> 
> Is there something I missed??
> 
> TIA,
> 
> Maikel Verheijen.
> 
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