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From: Glenn <g.todd@internet.co.nz>
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Date: Sun, 02 Mar 2008 18:12:05 +0000
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Subject: Re: ndis0 panic when ifconfig inet IP address
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Update:

I wasn't able to solve the problem so resorted to installing FreeBSD 6.3
instead, and got the wireless working without any difficulty.  I guess
that some of the ndis kernel code has been changed in 7.0 that is
causing my system to panic.

Glenn

> I have just upgraded my Asus A2 notebook from 6.1 to FreeBSD 7.0-RELEASE
> #0 by doing a full clean install. (completely repartitioned my disc
> prior to installing)
> 
> This notebook uses the Broadcom bcmwl5 wireless drivers which worked
> faultlessly using ndis on 6.1
> 
> I can kldload ndis and driver bcmwl5_sys without a problem. 
> 
> However the system panics anytime that I try to config the ip address
> either through rc.conf or directly e.g. ifconfig ndis inet 192.168.0.5
> netmask 255.255.255.0
> 
> Got the error on the GENERIC kernel plus my own built kernel
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x0
> fault code = supervisor read, page not present
> instructor pointer = 0x20:0xc0a464f8
> stack pointer = 0x28:0xcbfd8b04
> frame pointer = 0x28:0xcbfd8b3c
> code segment = base 0x0, limit 0xfffff, type 0xib
> 	     = DPL0, pres 1 def32 1, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 994 (ndis0 taskq)
> trap number = 12
> 
> Any idea what the problem may be?
> 
> Glenn