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Thread: wireless is disabled by hardware switch - natty 11.04

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  1. #1
    Join Date
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    wireless is disabled by hardware switch - natty 11.04

    HI all,
    I'm running natty 11.04 and wireless was working properly till yesterday night. now is not possible to see any network.

    I'm on a dell inspiron 1545 and the Broadcom STA drivers are already installed.

    tried already a rfkill unblock all, but the results still this:

    Code:
    0: brcmwl-0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: yes
    1: dell-wifi: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    but the result of this command is changing all the time, few minutes before I got this one:

    Code:
    0: brcmwl-0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: yes
    1: dell-wifi: Wireless LAN
    	Soft blocked: yes
    	Hard blocked: yes
    any idea how to solve this? tried to reboot couple of time without results.

    the weird thing is that yesterday night and from the very beginning never had an issue with the connection.

    Any idea? I think there are lot of people out there with the same issue isn't?

  2. #2
    Join Date
    Jan 2011
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    Ubuntu 12.04 Precise Pangolin

    Re: wireless is disabled by hardware switch - natty 11.04

    This is the result of the outrageous f45up of wireless net drivers in 11.04 and I'm also looking for a permanent solution to this issue.

    https://bugs.launchpad.net/ubuntu/+s...wl/+bug/732677

    So much for the great "let's eliminate paper cut bugs" talk...

  3. #3
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: wireless is disabled by hardware switch - natty 11.04

    I know that some "software" wireless interfaces apparently need Windows 7 (or possibly Vista) in order to "enable" the hardware switch. If you still have a Windows partition (dual-boot), that might be worth a try.

    Also, it would be good to specify which Broadcom wireless interface (and configuration) you have by running the following terminal commands:

    Code:
    lspci -vvnn | grep 14e4
    
    sudo lshw -C network
    
    lsmod
    
    ifconfig
    
    iwconfig
    That said, Ubuntu 11.xx seems to have many recent "issues" with wireless and wireless firmware (I'm still using Ubuntu 10.04.2 LTS and the Broadcom STA driver and it works quite well "out of the box"). :/

  4. #4
    Join Date
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    Ubuntu 14.10 Utopic Unicorn

    Re: wireless is disabled by hardware switch - natty 11.04

    With due respect to my colleagues, I think it's due to a poor implemetation of the module dell-laptop. Please do:
    Code:
    lsmod | grep dell
    If dell-laptop is loaded, remove it:
    Code:
    sudo rmmod -f dell-laptop
    sudo rfkill unblock all
    Is your wireless working now? If so, we'll need to blacklist dell-laptop.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
    Join Date
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    Re: wireless is disabled by hardware switch - natty 11.04

    i have been having the same problem with wireless, and so have followed this discussion. I can confirm that the last proposal (removing dell_laptop) *did* fix the issue.

  6. #6
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: wireless is disabled by hardware switch - natty 11.04

    Quote Originally Posted by chili555 View Post
    With due respect to my colleagues, I think it's due to a poor implemetation of the module dell-laptop. Please do:
    Code:
    lsmod | grep dell
    If dell-laptop is loaded, remove it:
    Code:
    sudo rmmod -f dell-laptop
    sudo rfkill unblock all
    Is your wireless working now? If so, we'll need to blacklist dell-laptop.
    Here's what I got
    Code:
    hg1@nx6125:~$ lsmod | grep dell
    hg1@nx6125:~$ sudo rmmod -f dell-laptop
    [sudo] password for hg1: 
    ERROR: Removing 'dell_laptop': No such file or directory
    hg1@nx6125:~$ sudo rfkill unblock all
    hg1@nx6125:~$
    The LED indicator is up but wireless is still not listed in the networking applet, not even after disconnecting the LAN cable and disabling/enabling networking.

  7. #7
    Join Date
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    Re: wireless is disabled by hardware switch - natty 11.04

    I was addressing the OP, Melotten who has:
    0: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
    1: dell-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    Sorry if I was misunderstood.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  8. #8
    Join Date
    Jul 2009
    Beans
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    Re: wireless is disabled by hardware switch - natty 11.04

    Quote Originally Posted by chili555 View Post
    With due respect to my colleagues, I think it's due to a poor implemetation of the module dell-laptop. Please do:
    Code:
    lsmod | grep dell
    If dell-laptop is loaded, remove it:
    Code:
    sudo rmmod -f dell-laptop
    sudo rfkill unblock all
    Is your wireless working now? If so, we'll need to blacklist dell-laptop.
    This work for me! Thanks chili555. I have a DELL vostro 1720, ubuntu 11.04 64 bit. Before chili555 suggestion:

    Code:
    $ rfkill list
    0: dell-wifi: Wireless LAN
        Soft blocked: yes
        Hard blocked: yes
    1: dell-bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
    3: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    8: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
    switching the hardware button on/off affect only the 3: phy0 block, but the dell-wifi remain the same.

  9. #9
    Join Date
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    Re: wireless is disabled by hardware switch - natty 11.04

    All this is weird folks.

    I spent almost 30 minutes playing with the rfkill command, having different results all the time. after that, after using the option unblock.. magically the wireless came back.

    I'm so surprised, there are so many dell laptop around.. I think we will lose a lot of newbies with this issue.

    I see the issue seems very common and I would like to help, could you please indicate me the "escalation" of troubleshooting steps to follow?

    I will modify my first post so the people will find immediatley a solution.

    I would put as first the rfkill command, is easy and seems working quite quickly. what you think?

  10. #10
    Join Date
    Dec 2004
    Beans
    7

    Re: wireless is disabled by hardware switch - natty 11.04

    With My Inspiron 1501, I'm also seeing this bug where the wireless is hardblocked. To complicate matters, I'm having a problem in that the keycode for the wireless button [Fn-F2] isn't mapped.
    Code:
    May 10 17:14:51 ubuntu-dell kernel: [  191.862248] kbd_keycode: 15 callbacks suppressed
    May 10 17:14:51 ubuntu-dell kernel: [  191.862257] keyboard: can't emulate rawmode for keycode 240
    May 10 17:14:51 ubuntu-dell kernel: [  191.862296] keyboard: can't emulate rawmode for keycode 240
    Any suggestions?

    Quote Originally Posted by chili555 View Post
    With due respect to my colleagues, I think it's due to a poor implemetation of the module dell-laptop. Please do:
    Code:
    lsmod | grep dell
    If dell-laptop is loaded, remove it:
    Code:
    sudo rmmod -f dell-laptop
    sudo rfkill unblock all
    Is your wireless working now? If so, we'll need to blacklist dell-laptop.

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