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Thread: Total crash - I think due to wifi driver

  1. #1
    Join Date
    Sep 2009

    Total crash - I think due to wifi driver

    Hi guys, upon re-installing Ubuntu I'm having a serious issue which I believe is being caused by my WiFi card. It was previously working, and I'm not sure how I got it to work before, I don't seem to be able to find the instructions anywhere.

    I've tried installing while connected to the net and auto-downloading updates, I've tried without updates, I've tried various ways of installing the drivers. All end in the same result, random total crashes within a few mins of boot.

    I'm 99% sure its due to the WiFi card, although I'm not all all sure why its going this wrong. I think I need to totally remove the WiFi drivers and start over but I'm not sure how at this point.
    The card is a BM4318 I believe. There is loads of info on the net about this card not working correctly but nothing like what I'm experiencing. And it WAS working fine before a re-install.

    Im using 12.04, which is the same as before.

    Heres the screen im left with:

    Sorry its over 3 images, my camera doesn't seem to be able to grab the whole thing without distorting the text in places.

    Any ideas? If any more info is required let me know.


  2. #2
    Join Date
    Sep 2009

    Re: Total crash - I think due to wifi driver

    Solved! (I hope)

    Ok, it seems that ubuntu wants to install the bcmwl-kernel-source package as default (this i belive is the restriced drivers package). This is causing the problem.

    What i did:

    dpkg -r bcmwl-kernel-source
    dpkg -P bcmwl-kernel-source
    apt-get install b43-fwcutter
    modprobe b43 (not sure this did anything, no idea what mod probe does)
    apt-get install firmware-b43-installer
    reebooted and boom, seems rock solid! I think the trick was to remove and purge the bcmwl package before the crash. Seemed to be stable after that.

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