[xubuntu-users] Installing and configuring Broadcom Wireless Firmware (b43) driver with Xubuntu 14.04

[Fred Roller]

On 04/23/2014 06:07 PM, Steve Litt wrote:
> On Wed, 23 Apr 2014 14:12:16 -0700 (PDT)
> Brian Masinick <masinick at yahoo.com> wrote:
>
>
>> Clearly there is at least one conflict somewhere that is preventing
>> this from working properly; I have not yet located it and I would
>> like assistance in finding the problem and the solution.  What
>> particularly bothers me is that the b43 driver has always worked fine
>> for me in the past.  What's the problem now, and where could the
>> conflicts be hidden?  I appreciate your comments and suggestions for
>> areas to check and investigate.
>>
>> Relevant network details from a running system that DOES work
>> correctly on the same hardware:
>>
>> Network:   Card-1: Intel PRO/100 VE Network Connection driver: e100
>> v: 3.5.24-k2-NAPI port: 4000 bus-ID: 04:08.0 IF: eth0 state: down
>>             Card-2: Broadcom BCM4311 802.11b/g WLAN driver:
>> b43-pci-bridge bus-ID: 03:00.0 IF: wlan0 state: up
> Hi Brian,
>
> I'd suggest you find a way to see whether a different driver's already
> loaded for your Wifi NIC, and if it is, blacklist it. I'm not that
> familiar with the particulars of exactly how to do it, but this has
> hung me up from time to time.
>
> HTH,
>
> SteveT
>
> Steve Litt                *  http://www.troubleshooters.com/
> Troubleshooting Training  *  Human Performance
>
I am coming in the middle of this so apologize in advance if I am 
repeating anything.  I have the same need of the Broadcom:

$ lspci
05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN 
(rev 01)

and installing any of the drivers sent my system into kernel panic on 
reboot... what works for me is:

sudo apt-get install linux-firmware-nonfree

from: http://ubuntuforums.org/showthread.php?t=1997880

Hope this is relevent, or apologizes if I am stepping in where I shouldn't.

Fred