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Thread: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

  1. #831
    Join Date
    Aug 2008
    Beans
    8

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    Quote Originally Posted by hilariusmind View Post
    The weirdest thing is that once I got it working on Kubuntu 9.10 (I remember to have only blacklisted the b43 module), it still worked on through all 10.04 upgrade and updates until 10.10. After upgrading from 10.04 to 10.10 wireless kept working. Then, after one 10.10 update I could not get the wireless interface to work anymore. Every time I power on my notebook the wireless led stays orange (it is supposed to be blue until you press the switch to kill wireless and turn it orange).
    Just to answer my own question in case anybody else was facing the same problem: something in the update had just blocked the card. All you have to do is unblock it.

    So, you have to install the drivers (in my case b43-fwcutter, firmware-b43-lpphy-installer):

    Code:
    sudo aptitude install b43-fwcutter firmware-b43-lpphy-instaler
    And then you have to run:

    Code:
    sudo rfkill unblock all
    That's it.

    I've found that solution on this other thread

  2. #832
    Join Date
    Apr 2011
    Beans
    1

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    Thanks man
    Worked for me in Ubuntu 10.10, does anyone know if this issue is solved in 11.04?

  3. #833
    Join Date
    Feb 2007
    Location
    Turin, Italy
    Beans
    3

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    FYI, this How-To is still working on 11.04. I'm using it my Dell Vostro 1320 that come from factory with this hardware on.

    Just to be more precise, the card is working in PIO mode with QOS disabled.
    I've tried to load the b43 module without any parameters but, after a couple of minute, i've got DMA error.

  4. #834
    Join Date
    Oct 2007
    Beans
    356

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    So I just noticed that on the b43 page it says the DMA errors were fixed in kernel 3.0
    http://linuxwireless.org/en/users/Dr...3#Known_issues

    Anybody tried it yet?

  5. #835
    Join Date
    Oct 2007
    Beans
    356

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    Just an update, the b43 driver is trouble-free for me with kernel 3.0-rc3.

    edit:
    okay, not 100% trouble-free.

    I lost my connection a few times. Can't reconnect until I unload/reload b43. Seems to only happen after I've used suspend to RAM at least once.

    Testing this as a workaround:
    cat /etc/pm/sleep.d/75-b43.sh
    Code:
    #!/bin/sh
    case $1 in
    suspend|hibernate)
      /sbin/modprobe -r b43
    ;;
    resume|thaw)
      /sbin/modprobe b43
    ;;
    esac
    Last edited by piratesmack; June 19th, 2011 at 11:53 AM.

  6. #836
    Join Date
    Aug 2010
    Beans
    2

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    I checked on kernel 3.0.4, and I don't have DMA errors right now. Also I don't have freezes in airodump-ng. HW: Dell Vostro V13, SW: Slackware 13.37, my own kernel 3.0.4

  7. #837
    Join Date
    May 2011
    Beans
    2

    Re: HOWTO: Use b43 driver with 14e4:4315 (Broadcom bcm4312 rev 01)

    i have ubuntu 11.10 on a dell inspiron 1525 with broadcom wireless card.. i have install the b43 and the aircracker and all its good.. but ... when i give airodump-ng mon0 after 30 seconds stops and if i give again airodump-ng i can't see nothing... why? (sorry for my bad english)

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