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Thread: Broadcom Wireless switching between monitor and normal mode, crashes the system

  1. #1
    Join Date
    Jan 2011
    Beans
    3

    Question Broadcom Wireless switching between monitor and normal mode, crashes the system

    Hi,

    I have Ubuntu 12.04 installed on my Dell Inspiron machine along with windows8. I have Broadcom wireless [14e4:4365] on my machine. I found there are two drivers available for Broadcom 43xx card
    1. b43 - open source
    2. STA/wl - Provided by Broadcom.

    I tried b43 but It didn't work for my card so I switched to STA/wl which is working perfectly, although it is not listed in the supported drivers list in the Readme file because list ends at 4359.

    I want to put my card in monitoring mode to capture wireless packets, so somewhere on internet I found I need to change the op-code in file
    Code:
    /proc/brcm_monitor0 using # echo 1 | tee /proc/brcm_monitor0
    Also as per the comments mentioned over there Optional Monitor Mode it will create a new interface named prism0 which will be listed in iwconfig, which I don't get although I am able to run airodump-ng on this interface and it captures the packets.

    Everything works fine except when I tries to turn off the monitor mode using
    Code:
    # echo 0 | tee /proc/brcm_monitor0
    it crashes my system with a stacktrace being displayed. and if I try to shutdown without switching to normal mode it don't shuts down at all and only the shutting down screen is displayed.

    Please help

  2. #2
    Join Date
    Jan 2011
    Beans
    3

    Re: Broadcom Wireless switching between monitor and normal mode, crashes the system

    Please help guys...

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