Fatal trap 18

From: Hector Rivera (ra2833_at_hotmail.com)
Date: 05/30/04

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    To: freebsd-questions@freebsd.org
Date: Sun, 30 May 2004 01:35:40 -0500

    Fatal trap 18
    Hello,

    i have an IBM Thinkpad A30 which comes with embedded wireless. the mini-pci
    card is Prism card. the following is information from the post or loader
    when i boot FreeBSD 5.2.1

    wi0: <Intersil Prism2.5> mem 0xf0000000 – 0xf0000fff irq11 at device 2.0 on
    pci2
    wi0: 802.11 address: 00:20:c0:8a:93:ce
    wi0: using RF: PRISM2.5 MAC: ISL3874A(Mini-PCI)
    wi0: Intersil Firmware: Primary (1.1.0), Station(1.4.2)
    wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps

    when i type in this
    ifconfig wi0
    i get the following info

    wi0: flags = 8843 <UP, BROADCAST, RUNNING, SIMPLEX, MULTICAST> mtu 1500
    inet6 fe80::220:e0ff:fe8a:93cd% wi0 prefixlen 64 scopeid 0x1
    inet 0.0.0.0 netmask 0xff0880 broadcast 255.255.255.255
    ether 00:20:e0:9a:93:ce
    media: IEEE 802.11 Wireless Ethernet Autoselect (DS/2Mbps)
    status: no carrier
    ssid “”
    stationname “FreeBSD Wavelan /IEEE node”
    Channel -1 authmode OPEN powersavemode OFF powersaveleep 100
    wepmode OFF weptxkey1

    i then type in the following command

    ifconfig wi0 inet 192.168.100.100 netmask 255.255.255.0 ssid my_ssid

    immediately after this command is done, i get the following error

    Fatal trap 18: integer divide fault while in kernel mode
    cupid = 0; apicid = 00
    instruction pointer = 0x8: 0xc0583642
    stack pointer = 0x10: 0xcdcafcc8
    fram pointer = 0x10: 0xcdcafcc8
    code segment = base 0x0, limit oxfffff, type ox1b
    = DPL 0, pres 1, det32 1, gram1
    processor eflags = interrupt enabled, IOPL = 0
    current process = 22 (irq11: cbb0 cbb1+++)
    trap number = 18
    panic : integer divide fault
    cupid =0;

    can someone help me out here? this happens no matter how many commands are
    tide on to ifconfg, what i mean is that i get the same error when i type in
    the following commands:

    ifconfig wi0 inet 192.168.100.100 OR
    ifconfig wi0 netmask 255.255.255.0 OR
    ifconfig wi0 ssid my_ssid OR
    any other combination.

    thank you
    Hector

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