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Thread: Another iwl3945 issue

  1. #1
    Join Date
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    SOLVED Another iwl3945 issue

    Hello,


    As a newbie to Ubuntu, Internet is one of the first to try. I could do that only with a wired connection because I can't detect any wireless netowrk.

    I have Intel Pro/wireless 3945ABG card and the driver is iwl3945. I tried many solutions mentioned here in the forum such as

    sudo apt-get install linux-backports-modules-hardy-generic
    Installing WICD

    Switching to the old Kernel

    without use.


    Then I talked to Chili555 asking him to help me in switching back to ipw3945. But he could solve the problem using the same driver iwl3945.

    The solution is:

    1.sudo su

    2.echo -e “alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1″ > /etc/modprobe.d/iwl3945

    3.reboot
    This solution was mentioned in some other forum. After rebooting everything was perfect thanks to chili555 and Cyber-Hero.


    Cheers
    Last edited by D.r.e.a.m; May 27th, 2008 at 03:52 AM.

  2. #2
    Join Date
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    Re: Another iwl3945 issue

    The hints that you may be helped by this are no can results, then:
    Code:
    sudo rmmod -f iwl3945
    sudo modprobe iwl3945 disable_hw_scan=1
    sudo iwlist wlan0 scan
    And it now gets scan results! If so, please implement D.r.e.a.m's fix. Those who are searching for a fix will also appreciate your feedback.

    Thank you, D.r.e.a.m, for your comments. Would you please rename the title 'SOLVED Another iwl3945 issue'? Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  3. #3
    Join Date
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    6

    Re: Another iwl3945 issue

    Opps, wrong thread...
    Last edited by Gnodab; May 27th, 2008 at 01:12 AM.

  4. #4
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    Re: Another iwl3945 issue

    CORRECTION!

    The commands are actually:
    Code:
    sudo su
    echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    reboot
    The text should be surrounded by ' instead of ".
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  5. #5
    Join Date
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    Re: Another iwl3945 issue

    Quote Originally Posted by chili555 View Post

    The commands are actually:
    Code:
    echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    is this supposed to be typed altogether in one line?
    or is everything after ">" the result?
    :S

  6. #6
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    Re: Another iwl3945 issue

    Type all in one line. Please proofread and especially check spaces before you press enter.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  7. #7
    Join Date
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    Re: Another iwl3945 issue

    Quote Originally Posted by chili555 View Post
    Type all in one line. Please proofread and especially check spaces before you press enter.
    nope......didnt work.....the led lights up while ubuntu is loading, but when i log in it turns off.....i switch on/off without result, i tried fn+f8 (toshibas keyboard switch) but no results either.........IM DESPERATE!

  8. #8
    Join Date
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    Re: Another iwl3945 issue

    How about letting us see:
    Code:
    iwconfig
    sudo cat /var/log/messages | grep switch
    dmesg | grep wlan0
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  9. #9
    Join Date
    May 2008
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    23

    Re: Another iwl3945 issue

    here comes....

    Code:
    jim@jim-laptop:~$ sudo su
    [sudo] password for jim: 
    root@jim-laptop:/home/jim# echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    root@jim-laptop:/home/jim# echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    root@jim-laptop:/home/jim# iwconfig
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    root@jim-laptop:/home/jim# sudo cat /var/log/messages | grep switch
    Jun 18 09:09:35 jim-laptop kernel: [   14.079474] SMP alternatives: switching to UP code
    Jun 18 09:09:35 jim-laptop kernel: [   14.856134] SMP alternatives: switching to SMP code
    Jun 18 09:09:35 jim-laptop kernel: [   18.811005] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 09:51:17 jim-laptop kernel: [   13.274324] SMP alternatives: switching to UP code
    Jun 18 09:51:17 jim-laptop kernel: [   14.055713] SMP alternatives: switching to SMP code
    Jun 18 09:51:17 jim-laptop kernel: [   18.034461] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 10:04:32 jim-laptop kernel: [  194.851001] SMP alternatives: switching to UP code
    Jun 18 10:04:32 jim-laptop kernel: [    0.405967] SMP alternatives: switching to SMP code
    Jun 18 10:10:35 jim-laptop kernel: [   14.071384] SMP alternatives: switching to UP code
    Jun 18 10:10:35 jim-laptop kernel: [   14.847745] SMP alternatives: switching to SMP code
    Jun 18 10:10:35 jim-laptop kernel: [   18.808172] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 10:37:17 jim-laptop kernel: [   14.475814] SMP alternatives: switching to UP code
    Jun 18 10:37:17 jim-laptop kernel: [   15.252312] SMP alternatives: switching to SMP code
    Jun 18 10:37:17 jim-laptop kernel: [   19.312626] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 10:47:30 jim-laptop kernel: [   14.555902] SMP alternatives: switching to UP code
    Jun 18 10:47:30 jim-laptop kernel: [   15.332413] SMP alternatives: switching to SMP code
    Jun 18 10:47:30 jim-laptop kernel: [   19.312777] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 10:50:50 jim-laptop kernel: [   14.643983] SMP alternatives: switching to UP code
    Jun 18 10:50:50 jim-laptop kernel: [   15.420234] SMP alternatives: switching to SMP code
    Jun 18 10:50:50 jim-laptop kernel: [   19.568814] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 13:48:55 jim-laptop kernel: [   14.028349] SMP alternatives: switching to UP code
    Jun 18 13:48:55 jim-laptop kernel: [   14.804822] SMP alternatives: switching to SMP code
    Jun 18 13:48:55 jim-laptop kernel: [   18.812708] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 18 20:42:45 jim-laptop kernel: [   13.730114] SMP alternatives: switching to UP code
    Jun 18 20:42:45 jim-laptop kernel: [   14.506419] SMP alternatives: switching to SMP code
    Jun 18 20:42:45 jim-laptop kernel: [   18.546911] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 19 01:14:04 jim-laptop kernel: [   13.194698] SMP alternatives: switching to UP code
    Jun 19 01:14:04 jim-laptop kernel: [   13.581908] SMP alternatives: switching to SMP code
    Jun 19 01:14:04 jim-laptop kernel: [   16.510800] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 19 13:05:58 jim-laptop kernel: [   14.085582] SMP alternatives: switching to UP code
    Jun 19 13:05:58 jim-laptop kernel: [   14.478496] SMP alternatives: switching to SMP code
    Jun 19 13:05:58 jim-laptop kernel: [   17.276850] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 19 13:16:44 jim-laptop kernel: [   13.523101] SMP alternatives: switching to UP code
    Jun 19 13:16:44 jim-laptop kernel: [   13.910464] SMP alternatives: switching to SMP code
    Jun 19 13:16:44 jim-laptop kernel: [   16.765231] ACPI: EC: non-query interrupt received, switching to interrupt mode
    Jun 19 13:37:39 jim-laptop kernel: [   13.690107] SMP alternatives: switching to UP code
    Jun 19 13:37:39 jim-laptop kernel: [   14.077647] SMP alternatives: switching to SMP code
    Jun 19 13:37:39 jim-laptop kernel: [   17.018777] ACPI: EC: non-query interrupt received, switching to interrupt mode
    root@jim-laptop:/home/jim# dmesg | grep wlan0
    root@jim-laptop:/home/jim# dmesg | grep wlan0
    root@jim-laptop:/home/jim#
    Thanks for everything....

  10. #10
    Join Date
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    Re: Another iwl3945 issue

    root@jim-laptop:/home/jim# echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    root@jim-laptop:/home/jim# echo -e 'alias wlan0 iwl3945 \noptions iwl3945 disable_hw_scan=1' > /etc/modprobe.d/iwl3945
    Did you actually do this command two or more times? This is not a command to wake up the card, it's a command to edit a configuration file. It does no good, and may do some harm, to have multiple repetitions of the required parameters.

    May I please see:
    Code:
    sudo lshw -C network
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

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