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Thread: Problem installing the b43 driver

  1. #1
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    Oct 2013
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    Problem installing the b43 driver

    Hi mates I have problem with getting internet through wireless. I got internet through a ethernet cable now .

    First, I installed the b43-fwcutter as you can see here: http://tinypic.com/r/kbyb8k/5

    But then, when I try to download the b43-firmware this happens: http://tinypic.com/r/2s0y7a8/5 . They say that I don't have the package b43-fwcutter but as you can see, I have it !


    What is the problem? I would be very glad if someone could help me

  2. #2
    Join Date
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    Ubuntu 17.10 Artful Aardvark

    Re: Problem installing the b43 driver

    You don't say what Ubuntu version you installed, but for most recent versions, this should work:
    Code:
    sudo apt-get install linux-firmware-nonfree
    sudo modprobe -r b43 && sudo modprobe b43
    Detach the ethernet and use your wireless to report your progress!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
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    Re: Problem installing the b43 driver

    The first command works fine but then, when I do the 2nd command this happened: http://tinypic.com/r/2qw26hd/5. I tested it 3 times, the first time I received what I think is a kernel panic. And the 2 other times nothing happened, as you see on the photo :/

    I'm using Ubuntu 12.04 lts.

    Do you know what's wrong?

  4. #4
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    Ubuntu 17.10 Artful Aardvark

    Re: Problem installing the b43 driver

    Not exactly, without examining the logs. Please try a reboot. If the wireless isn't working as expected, please show us:
    Code:
    dmesg | grep b43
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
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    Re: Problem installing the b43 driver

    Reboot didn't help.

    Typing: dmesg | grep b43

    Gives:
    [ 13.761771] b43-phy0: Broadcom 4321 WLAN found (core revision 11)
    [ 13.803675] b43-phy0: Found PHY: Analog 5, Type 4 (N), Revision 1
    [ 19.228461] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
    [ 19.324934] b43-phy0 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
    [ 19.324938] b43-phy0 ERROR: This device does not support DMA on your system. It will now be switched to PIO.
    [ 19.324940] b43-phy0: Controller RESET (DMA error) ...
    [ 19.540279] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
    [ 19.616274] b43-phy0 warning: Forced PIO by use_pio module parameter. This should not be needed and will result in lower performance.
    [ 19.636800] b43-phy0: Controller restarted

    Picture: http://tinypic.com/r/2pzl5wp/5

  6. #6
    Join Date
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    Ubuntu 17.10 Artful Aardvark

    Re: Problem installing the b43 driver

    Ahhhh! My (least) favorite problem! You asked how to install the firmware for your device and we did so successfully. However, that didn't get you a working connection, because b43 and firmware is probably incorrect for your device!
    b43-phy0: Broadcom 4321 WLAN found (core revision 11)
    Let's go back to step 0; let's identify the actual device:
    Code:
    lspci -nn -d 14e4:
    There is no need for tinypic. You can either copy and paste the data into your reply or simply copy it with pencil and paper.

    NOTE TO SELF: Always verify the pci.id.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #7
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    Re: Problem installing the b43 driver

    Ignore this reply. Answer the reply below instead
    Last edited by Filip_Lundberg; October 28th, 2013 at 08:12 PM.

  8. #8
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    Re: Problem installing the b43 driver

    Ok mate I will do it inte future


    Typing: lspci -nn -d 14e4:
    Gives:02:07.0 Network controller [0280]: Broadcom Corporation BCM4321 802.11b/g/n [14e4:4329] (rev 01)


    I'm glad that you are helping me with this problem

  9. #9
    Join Date
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    Re: Problem installing the b43 driver

    Broadcom Corporation BCM4321 802.11b/g/n [14e4:4329]
    Congratulations! This is our lucky day!! Woo hoo! You have one of the hardest devices to get going correctly in the Broadcom stable. We know, at least that b43 and firmware is troublesome. Before we discard it and try another option, let's try one thing:
    Code:
    sudo modprobe -r b43
    sudo modprobe b43 pio=1
    Any improvement?

    Before we try anything else, let's also verify a few other details:
    Code:
    arch
    lsb_release -d
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  10. #10
    Join Date
    Oct 2013
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    Re: Problem installing the b43 driver

    Here's what I get after typing the comands:
    filip@Username:~$ sudo modprobe -r b43
    [sudo] password for filip:
    filip@Username:~$ sudo modprobe b43 pio=1
    filip@Username:~$

    What happened? Terminal didn't give me any ''answer''.

    Typing:
    arch
    lsb_release -d

    Gives:
    filip@Username:~$ arch
    x86_64
    filip@Username:~$ lsb_release -d
    Description: Ubuntu 12.04.3 LTS
    filip@Username:~$


    Do u know what to do next?

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