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Thread: b43-fwcutter broke rfkill on 9.10

  1. #1
    Join Date
    Nov 2009
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    b43-fwcutter broke rfkill on 9.10

    Hello.

    On my laptop wireless networking worked perfectly (8.04 — 9.04) until I upgraded to Ubuntu 9.10. Wireless was disabled and trying to bring it up resulted in "SIOCSIFFLAGS: Unknown error 132". After looking at dmesg I decided to look at rfkill and it appeared hard-blocked. I must tell you that my laptop does have a wireless switch (not exactly a switch but a push-button with LED) but I never used it and I'm not even sure it actually ever worked. Regardless, pressing it now doesn't put anything to dmesg, doesn't change rfkill state and doesn't do anything else except toggling the LED. After trying to google for a while I decided to backup my /home and do a fresh install. After installation finished, the first thing I did was to check rfkill, and it was not blocked! However, WiFi was still down because driver was not installed. So i did
    Code:
    apt-get install b43-fwcutter
    and found that rfkill got hard-blocked again! And even after uninstalling b43-fwcutter it still remained the same. So I can guess that b43-fwcutter breaks rfkill upon installation, and this issue seems to be only for 9.10 because I never had any Wi-Fi problems before.

    Now could you please advice what should I do in order to get my wireless up again?

    Below is various information according to the guide:

    Laptop model: Fujitsu-Siemens Amilo D 1840W
    Code:
    root@lyuda-laptop:/home/lyuda# lspci -nn | grep "Broadcom"
    00:0b.0 Network controller [0280]: Broadcom Corporation BCM4303 802.11b Wireless LAN Controller [14e4:4301] (rev 02)
    root@lyuda-laptop:/home/lyuda# ifconfig
    eth0      Link encap:Ethernet  HWaddr 00:03:0d:10:8b:3b  
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
              Interrupt:19 Base address:0xe800 
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
    
    root@lyuda-laptop:/home/lyuda# iwconfig wlan0
    wlan0     IEEE 802.11b  ESSID:""  
              Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated   
              Tx-Power=off   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Encryption key:off
              Power Management:off
              Link Quality:0  Signal level:0  Noise level:0
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    
    root@lyuda-laptop:/home/lyuda# lsmod | grep b43
    b43                   122136  0 
    b43legacy             117752  0 
    mac80211              181236  2 b43,b43legacy
    cfg80211               93052  3 b43,b43legacy,mac80211
    led_class               4096  2 b43,b43legacy
    ssb                    35300  3 b43,b43legacy,b44
    root@lyuda-laptop:/home/lyuda# dmesg | grep b43
    [    2.922723] b43-pci-bridge 0000:00:0b.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
    [   18.979699] b43legacy-phy0: Broadcom 4301 WLAN found
    [   19.004018] b43legacy-phy0 debug: Found PHY: Analog 0, Type 1, Revision 4
    [   19.004044] b43legacy-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2053, Revision 2
    [   19.024023] b43legacy-phy0 debug: Radio initialized
    [   19.201052] b43legacy ssb0:0: firmware: requesting b43legacy/ucode2.fw
    [   19.663797] b43legacy ssb0:0: firmware: requesting b43legacy/pcm4.fw
    [   19.694143] b43legacy ssb0:0: firmware: requesting b43legacy/b0g0initvals2.fw
    [   19.837407] b43legacy-phy0: Loading firmware version 0x127, patch level 14 (2005-04-18 02:36:27)
    [   19.895253] b43legacy-phy0 debug: Chip initialized
    [   19.895576] b43legacy-phy0 debug: 30-bit DMA initialized
    [   19.895759] b43legacy-phy0 warning: LEDs: Unknown behaviour 0x44
    [   19.895770] b43legacy-phy0 warning: LEDs: Unknown behaviour 0x46
    [   19.895782] b43legacy-phy0 warning: LEDs: Unknown behaviour 0x12
    [   19.895798] b43legacy-phy0 warning: LEDs: Unknown behaviour 0x4D
    [   19.895844] b43legacy-phy0 debug: Wireless interface started
    [   19.895882] b43legacy-phy0 debug: Adding Interface type 2
    [   24.805043] b43legacy-phy0: Radio hardware status changed to DISABLED
    [   24.805055] b43legacy-phy0 debug: Radio initialized
    [   24.849022] b43legacy-phy0 debug: Removing Interface type 2
    [   24.861143] b43legacy-phy0 debug: Wireless interface stopped
    [   24.861282] b43legacy-phy0 debug: DMA-30 0x0260 (RX) max used slots: 1/64
    [   24.861343] b43legacy-phy0 debug: DMA-30 0x0200 (RX) max used slots: 1/64
    [   24.861405] b43legacy-phy0 debug: DMA-30 0x02A0 (TX) max used slots: 0/128
    [   24.869034] b43legacy-phy0 debug: DMA-30 0x0280 (TX) max used slots: 0/128
    [   24.877025] b43legacy-phy0 debug: DMA-30 0x0260 (TX) max used slots: 0/128
    [   24.885647] b43legacy-phy0 debug: DMA-30 0x0240 (TX) max used slots: 0/128
    [   24.893047] b43legacy-phy0 debug: DMA-30 0x0220 (TX) max used slots: 2/128
    [   24.901032] b43legacy-phy0 debug: DMA-30 0x0200 (TX) max used slots: 0/128
    [   24.909023] b43legacy-phy0 debug: Radio initialized
    [   24.909039] b43legacy-phy0 debug: Radio initialized
    root@lyuda-laptop:/home/lyuda# sudo lshw -C network
      *-network:0             
           description: Ethernet interface
           product: SiS900 PCI Fast Ethernet
           vendor: Silicon Integrated Systems [SiS]
           physical id: 4
           bus info: pci@0000:00:04.0
           logical name: eth0
           version: 91
           serial: 00:03:0d:10:8b:3b
           size: 10MB/s
           capacity: 100MB/s
           width: 32 bits
           clock: 33MHz
           capabilities: pm bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=sis900 driverversion=v1.08.10 Apr. 2 2006 duplex=half latency=64 link=no maxlatency=11 mingnt=52 multicast=yes port=MII speed=10MB/s
           resources: irq:19 ioport:e800(size=256) memory:dfffc000-dfffcfff memory:dffc0000-dffdffff(prefetchable)
      *-network:1
           description: Network controller
           product: BCM4303 802.11b Wireless LAN Controller
           vendor: Broadcom Corporation
           physical id: b
           bus info: pci@0000:00:0b.0
           version: 02
           width: 32 bits
           clock: 33MHz
           capabilities: pm bus_master cap_list
           configuration: driver=b43-pci-bridge latency=64
           resources: irq:18 memory:dfffe000-dfffffff
      *-network DISABLED
           description: Wireless interface
           physical id: 1
           logical name: wlan0
           serial: 00:90:4b:1d:20:be
           capabilities: ethernet physical wireless
           configuration: broadcast=yes multicast=yes wireless=IEEE 802.11b
    root@lyuda-laptop:/home/lyuda# iwlist scan
    lo        Interface doesn't support scanning.
    
    eth0      Interface doesn't support scanning.
    
    wmaster0  Interface doesn't support scanning.
    
    wlan0     Interface doesn't support scanning : Network is down
    
    root@lyuda-laptop:/home/lyuda# lsb_release -d
    Description:    Ubuntu 9.10
    root@lyuda-laptop:/home/lyuda# uname -mr
    2.6.31-14-generic i686
    root@lyuda-laptop:/home/lyuda# sudo /etc/init.d/networking restart
     * Reconfiguring network interfaces...                                                                                                                [ OK ] 
    root@lyuda-laptop:/home/lyuda# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    root@lyuda-laptop:/home/lyuda#

  2. #2
    Join Date
    Aug 2005
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    Ubuntu 14.04 Trusty Tahr

    Re: b43-fwcutter broke rfkill on 9.10

    Hard blocked: yes
    Does your laptop have both a Fn key combination and a hardware switch, like mine does? When the hardware slider goes to 'off' on my lappy, rfkill shows Hard blocked: yes and it changes to Hard blocked: no when I slide it back to 'on.' What is the make and model of your laptop?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
    Join Date
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    Re: b43-fwcutter broke rfkill on 9.10

    I think I wrote this in the first post. There is no Fn+... combination for disabling wireless, only a pushbutton, and it doesn't work at all. I mean, it affects nothing but its own LED. The laptop is Amilo D 1840W.

    P.S.
    Could it be possible to somehow disable rfkill at all or to make driver just ignore it? I don't need disabling WiFi anyway...

  4. #4
    Join Date
    Aug 2005
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    Ubuntu 14.04 Trusty Tahr

    Re: b43-fwcutter broke rfkill on 9.10

    Please run:
    Code:
    rfkill list
    with the button pushed and the LED on and again with it off; let's compare the result. Also, please run:
    Code:
    sudo rfkill unblock all
    rfkill list
    Any change?
    Could it be possible to somehow disable rfkill at all or to make driver just ignore it?
    That's what I hope we can do!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
    Join Date
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    Re: b43-fwcutter broke rfkill on 9.10

    Code:
    root@lyuda-laptop:/# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    root@lyuda-laptop:/# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    root@lyuda-laptop:/# rfkill unblock all
    root@lyuda-laptop:/# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes

  6. #6
    Join Date
    Nov 2009
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    Re: b43-fwcutter broke rfkill on 9.10

    Pressing button doesn't change anything.

  7. #7
    Join Date
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    Re: b43-fwcutter broke rfkill on 9.10

    wlan0 IEEE 802.11b ESSID:""
    Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
    Tx-Power=off
    --- snip ---
    Please let us see, in order:
    Code:
    rfkill list
    sudo iwconfig wlan0 txpower auto
    rfkill list
    If this works, we will make it permanent.
    Last edited by chili555; November 23rd, 2009 at 03:36 PM.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  8. #8
    Join Date
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    Re: b43-fwcutter broke rfkill on 9.10

    No, it doesn't.

    P.S. Forgot to paste:
    Code:
    root@lyuda-laptop:/# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    root@lyuda-laptop:/# iwconfig wlan0 txpower auto
    root@lyuda-laptop:/# rfkill list
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    Last edited by 7er; November 23rd, 2009 at 05:13 PM. Reason: forgot to paste

  9. #9
    Join Date
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    Re: b43-fwcutter broke rfkill on 9.10

    Man, oh man! This is giving me a migraine!

    This is a desperation hail-Mary attempt. Please try:
    Code:
    sudo modprobe acer-wmi
    Press the wireless switch until the LED comes on. Next do:
    Code:
    rfkill list
    iwconfig
    Are my prayers answered?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  10. #10
    Join Date
    Nov 2009
    Beans
    6

    Re: b43-fwcutter broke rfkill on 9.10

    Code:
    root@lyuda-laptop:/# modprobe acer-wmi
    FATAL: Error inserting acer_wmi (/lib/modules/2.6.31-14-generic/kernel/drivers/platform/x86/acer-wmi.ko): No such device
    root@lyuda-laptop:/#
    Looks tough indeed... :-/

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