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Thread: Broadcom b43xx Wireless on Ibex Not Working

  1. #1
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    Exclamation Broadcom b43xx Wireless on Ibex Not Working

    Can't get wireless to work. System > Administrative > Hardware Drivers says that the Broadcom B43 Wireless Driver is activated and currently in use. However, when I type "lshw -C network" I get the following:

    Code:
      *-network:0             
           description: Network controller
           product: BCM4306 802.11b/g Wireless LAN Controller
           vendor: Broadcom Corporation
           physical id: 1
           bus info: pci@0000:01:01.0
           version: 03
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master
           configuration: driver=b43-pci-bridge latency=32 module=ssb
      *-network:1
           description: Ethernet interface
           product: 82562EZ 10/100 Ethernet Controller
           vendor: Intel Corporation
           physical id: 8
           bus info: pci@0000:01:08.0
           logical name: eth0
           version: 01
           serial: 00:0c:f1:c0:a4:d2
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master cap_list ethernet physical
           configuration: broadcast=yes driver=e100 driverversion=3.5.23-k4-NAPI firmware=N/A ip=192.168.1.105 latency=32 maxlatency=56 mingnt=8 module=e100 multicast=yes
      *-network:0
           description: Wireless interface
           physical id: 1
           logical name: wlan0
           serial: 00:0c:41:65:e2:97
           capabilities: ethernet physical wireless
           configuration: broadcast=yes ip=192.168.1.106 multicast=yes wireless=IEEE 802.11bg
      *-network:1 DISABLED
           description: Ethernet interface
           physical id: 2
           logical name: pan0
           serial: 6a:2a:22:d5:0e:58
           capabilities: ethernet physical
           configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A multicast=yes
    Why is one working and the other disabled? When I type "iwconfig wlan0" I get:

    Code:
    wlan0     IEEE 802.11bg  ESSID:"exit27"  
              Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1E:E5:A2:AA:C9   
              Bit Rate=54 Mb/s   Tx-Power=27 dBm   
              Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
              Power Management:off
              Link Quality=86/100  Signal level:-46 dBm  Noise level=-67 dBm
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    However, when I click on the network icon in the upper right corner, it tells me that the Wireless Networks device is unmanaged. Help!

  2. #2
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    Re: Broadcom b43xx Wireless on Ibex Not Working

    Quote Originally Posted by sjrlaw View Post
    Can't get wireless to work. System > Administrative > Hardware Drivers says that the Broadcom B43 Wireless Driver is activated and currently in use. However, when I type "lshw -C network" I get the following:

    Code:
      *-network:0             
           description: Network controller
           product: BCM4306 802.11b/g Wireless LAN Controller
           vendor: Broadcom Corporation
           physical id: 1
           bus info: pci@0000:01:01.0
           version: 03
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master
           configuration: driver=b43-pci-bridge latency=32 module=ssb
      *-network:1
           description: Ethernet interface
           product: 82562EZ 10/100 Ethernet Controller
           vendor: Intel Corporation
           physical id: 8
           bus info: pci@0000:01:08.0
           logical name: eth0
           version: 01
           serial: 00:0c:f1:c0:a4:d2
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master cap_list ethernet physical
           configuration: broadcast=yes driver=e100 driverversion=3.5.23-k4-NAPI firmware=N/A ip=192.168.1.105 latency=32 maxlatency=56 mingnt=8 module=e100 multicast=yes
      *-network:0
           description: Wireless interface
           physical id: 1
           logical name: wlan0
           serial: 00:0c:41:65:e2:97
           capabilities: ethernet physical wireless
           configuration: broadcast=yes ip=192.168.1.106 multicast=yes wireless=IEEE 802.11bg
      *-network:1 DISABLED
           description: Ethernet interface
           physical id: 2
           logical name: pan0
           serial: 6a:2a:22:d5:0e:58
           capabilities: ethernet physical
           configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A multicast=yes
    Why is one working and the other disabled? When I type "iwconfig wlan0" I get:

    Code:
    wlan0     IEEE 802.11bg  ESSID:"exit27"  
              Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1E:E5:A2:AA:C9   
              Bit Rate=54 Mb/s   Tx-Power=27 dBm   
              Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
              Power Management:off
              Link Quality=86/100  Signal level:-46 dBm  Noise level=-67 dBm
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    However, when I click on the network icon in the upper right corner, it tells me that the Wireless Networks device is unmanaged. Help!
    When you do the following:
    Code:
    sudo modprobe -r b43 ssb wl
    sudo modprobe b43
    sudo /etc/init.d/networking restart
    sudo iwlist scan
    Do you see wireless sites?

  3. #3
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    Exclamation Re: Broadcom b43xx Wireless on Ibex Not Working

    This is what I got:

    Code:
     * Reconfiguring network interfaces...                                          RTNETLINK answers: No such process
    There is already a pid file /var/run/dhclient.wlan0.pid with pid 4069
    killed old client process, removed PID file
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPRELEASE on wlan0 to 192.168.1.1 port 67
    Ignoring unknown interface eth0=eth0.
    Ignoring unknown interface eth0=eth0.
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 20
    DHCPOFFER of 192.168.1.106 from 192.168.1.1
    DHCPREQUEST of 192.168.1.106 on wlan0 to 255.255.255.255 port 67
    DHCPACK of 192.168.1.106 from 192.168.1.1
    bound to 192.168.1.106 -- renewal in 37597 seconds.
     * if-up.d/mountnfs[wlan0]: waiting for interface eth0 before doing NFS mounts
                                                                             [ OK ]
    steve@Ubuntu-Workstation:~$ sudo iwlist scan
    lo        Interface doesn't support scanning.
    
    eth0      Interface doesn't support scanning.
    
    pan0      Interface doesn't support scanning.
    
    wmaster0  Interface doesn't support scanning.
    
    wlan0     Scan completed :
              Cell 01 - Address: 00:1E:E5:A2:AA:C9
                        ESSID:"exit27"
                        Mode:Master
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=76/100  Signal level:-55 dBm  Noise level=-70 dBm
                        Encryption key:off
                        IE: Unknown: 2D1AEE1117FF000000010000000000000000000000000C0000000000
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
                                  24 Mb/s; 48 Mb/s
                        Extra:tsf=000001223b7093cc
                        Extra: Last beacon: 796ms ago
              Cell 02 - Address: 00:0C:41:79:19:6C
                        ESSID:"exit27a"
                        Mode:Master
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=58/100  Signal level:-72 dBm  Noise level=-70 dBm
                        Encryption key:off
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                        Extra:tsf=0000016575619185
                        Extra: Last beacon: 348ms ago
    I have no idea what the first output means, but it looks like wlan0 is scanning okay, although it identifies two ESSIDs for the two access points in my home. Does this show the problem?

  4. #4
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    Re: Broadcom b43xx Wireless on Ibex Not Working

    Quote Originally Posted by sjrlaw View Post
    This is what I got:

    Code:
     * Reconfiguring network interfaces...                                          RTNETLINK answers: No such process
    There is already a pid file /var/run/dhclient.wlan0.pid with pid 4069
    killed old client process, removed PID file
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPRELEASE on wlan0 to 192.168.1.1 port 67
    Ignoring unknown interface eth0=eth0.
    Ignoring unknown interface eth0=eth0.
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 20
    DHCPOFFER of 192.168.1.106 from 192.168.1.1
    DHCPREQUEST of 192.168.1.106 on wlan0 to 255.255.255.255 port 67
    DHCPACK of 192.168.1.106 from 192.168.1.1
    bound to 192.168.1.106 -- renewal in 37597 seconds.
     * if-up.d/mountnfs[wlan0]: waiting for interface eth0 before doing NFS mounts
                                                                             [ OK ]
    steve@Ubuntu-Workstation:~$ sudo iwlist scan
    lo        Interface doesn't support scanning.
    
    eth0      Interface doesn't support scanning.
    
    pan0      Interface doesn't support scanning.
    
    wmaster0  Interface doesn't support scanning.
    
    wlan0     Scan completed :
              Cell 01 - Address: 00:1E:E5:A2:AA:C9
                        ESSID:"exit27"
                        Mode:Master
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=76/100  Signal level:-55 dBm  Noise level=-70 dBm
                        Encryption key:off
                        IE: Unknown: 2D1AEE1117FF000000010000000000000000000000000C0000000000
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
                                  24 Mb/s; 48 Mb/s
                        Extra:tsf=000001223b7093cc
                        Extra: Last beacon: 796ms ago
              Cell 02 - Address: 00:0C:41:79:19:6C
                        ESSID:"exit27a"
                        Mode:Master
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=58/100  Signal level:-72 dBm  Noise level=-70 dBm
                        Encryption key:off
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                        Extra:tsf=0000016575619185
                        Extra: Last beacon: 348ms ago
    I have no idea what the first output means, but it looks like wlan0 is scanning okay, although it identifies two ESSIDs for the two access points in my home. Does this show the problem?
    The first part is running dhclient to eth0 then wlan0. Do you have anything in /etc/network/interfaces?

    It looks like your wireless is there and working, Can you try the following to see if it is really connecting:
    Code:
    sudo iwconfig wlan0 essid exit27
    sudo dhclient wlan0
    ping -c1 www.google.com
    If you restarted you computer, you will have to do the commands in the second post.

  5. #5
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    Re: Broadcom b43xx Wireless on Ibex Not Working

    Try this it worked for my 4318 acer laptop

    http://ubuntuforums.org/showthread.p...light=bcm+4318

  6. #6
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    Exclamation Re: Broadcom b43xx Wireless on Ibex Not Working

    Ayuthea:

    The content of /etc/network/interfaces is as follows:

    Code:
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    # The primary network interface
    auto eth0
    #iface eth0 inet dhcp
    
    
    iface wlan0 inet dhcp
    wireless-essid any
    
    auto wlan0
    I unplugged the ethernet cable, so as to use only the wireless card, and ran the three commands you suggested. I got this:

    Code:
    steve@Ubuntu-Workstation:~$ sudo iwconfig wlan0 essid exit27
    [sudo] password for steve: 
    steve@Ubuntu-Workstation:~$ sudo dhclient wlan0
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
    DHCPOFFER of 192.168.1.106 from 192.168.1.1
    DHCPREQUEST of 192.168.1.106 on wlan0 to 255.255.255.255 port 67
    DHCPACK of 192.168.1.106 from 192.168.1.1
    bound to 192.168.1.106 -- renewal in 41098 seconds.
    steve@Ubuntu-Workstation:~$ ping -cl www.google.com
    ping: bad number of packets to transmit.
    steve@Ubuntu-Workstation:~$
    The network icon next to the volume icon and date in the upper right corner of the GNOME screen says that the wireless network device is unmanaged. However, I was able to load web pages in the browser and downloaded system updates as well, so I obviously have a wireless network connection. Why isn't GNOME telling me I have a wireless network connection? There are none listed in Wireless Network Connections in the Network Connections app. What's going on?

  7. #7
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    Re: Broadcom b43xx Wireless on Ibex Not Working

    Quote Originally Posted by sjrlaw View Post
    Ayuthea:

    The content of /etc/network/interfaces is as follows:

    Code:
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    # The primary network interface
    auto eth0
    #iface eth0 inet dhcp
    
    
    iface wlan0 inet dhcp
    wireless-essid any
    
    auto wlan0
    I unplugged the ethernet cable, so as to use only the wireless card, and ran the three commands you suggested. I got this:

    Code:
    steve@Ubuntu-Workstation:~$ sudo iwconfig wlan0 essid exit27
    [sudo] password for steve: 
    steve@Ubuntu-Workstation:~$ sudo dhclient wlan0
    Internet Systems Consortium DHCP Client V3.1.1
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    wmaster0: unknown hardware address type 801
    wmaster0: unknown hardware address type 801
    Listening on LPF/wlan0/00:0c:41:65:e2:97
    Sending on   LPF/wlan0/00:0c:41:65:e2:97
    Sending on   Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
    DHCPOFFER of 192.168.1.106 from 192.168.1.1
    DHCPREQUEST of 192.168.1.106 on wlan0 to 255.255.255.255 port 67
    DHCPACK of 192.168.1.106 from 192.168.1.1
    bound to 192.168.1.106 -- renewal in 41098 seconds.
    steve@Ubuntu-Workstation:~$ ping -cl www.google.com
    ping: bad number of packets to transmit.
    steve@Ubuntu-Workstation:~$
    The network icon next to the volume icon and date in the upper right corner of the GNOME screen says that the wireless network device is unmanaged. However, I was able to load web pages in the browser and downloaded system updates as well, so I obviously have a wireless network connection. Why isn't GNOME telling me I have a wireless network connection? There are none listed in Wireless Network Connections in the Network Connections app. What's going on?
    I am not for sure what the exact cause for this. It could be because of your /etc/network/interfaces file. You might comment out everything but the lo section:
    Code:
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    # The primary network interface
    #auto eth0
    #iface eth0 inet dhcp
    
    
    #iface wlan0 inet dhcp
    #wireless-essid any
    
    #auto wlan0
    And see if it makes a difference. My thought is that network manager thinks that you want to control it through /etc/network/interfaces, but I could be wrong. I have not played with that file too much.

  8. #8
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    Exclamation Re: Broadcom b43xx Wireless on Ibex Not Working

    You might be right. My laptop, running Hardy, has Network Manager properly identifying both wired and wireless networks. The content of its /etc/network/interfaces is:

    Code:
    # This file describes the network interfaces available on your system
    # and how to activate them. For more information, see interfaces(5).
    
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    # The primary network interface
    
    iface eth0 inet dhcp
    
    auto eth0
    Should I switch the Ibex desktop to this?

  9. #9
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    Talking Re: Broadcom b43xx Wireless on Ibex Not Working

    Ayuthia:

    Thank you! Thank you! Thank you!! Your advice was right on the money. I commented out those lines in /etc/network/interfaces, rebooted, and the Network Manager came up with an icon showing a wireless connection. Clicking on it also showed all available wireless connections as well as the disconnected wired one! I am up and running great now, and have learned new things about Linux in the process! You da bomb!

    Steve

  10. #10
    Join Date
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    Re: Broadcom b43xx Wireless on Ibex Not Working

    I too have a broadcom bcm43xx and wireless networking is not working. The card is detected by the hardware troubleshooter, but it does not detect any networks, nor is it listed in /etc/network/interfaces. This is a new install of 8.10 and the file has only 2 lines:

    auto lo
    iface lo inet loopback

    ifconfig shows only eth0 and loopback.
    any help would be much appreciated. I am a bit of a n00b. Thanks.
    Last edited by v4nilla; November 8th, 2008 at 11:59 PM. Reason: more info

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