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Thread: WIFI: Adapter 3945abg on 12.10

  1. #1
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    WIFI: Adapter 3945abg on 12.10

    Hi,

    I'm absolutely new to Linux!

    My netbook lenovo x61s with Wifi Adapter Intel 3945abg doesn´t connect. The hardware switch is ON and the adapter should work (WinXP is installed on the same machine and Wifi works).

    I tried many things that are recommended throughout the Internet, but as Newbie I'm rather typing commands than understanding what I do. I think I even erased the Network Manager... fighting myself through vi-Editor etc. etc.. I think I spent at least 10hours struggling with wifi.

    To be honest I am completely lost and this will be my last attempt. Otherwise I will deinstall it.

    iwconfig results:
    wlan0 IEEE 802.11abg ESSID: off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm Retry long limit:7 RTS thr: off Fragment thr: off Power Management: on
    lo no wireless extensions
    eth0 no wireless extensions


    What shall I do? HELP ME PLEASE!

    thanks in advance
    Volleumel

  2. #2
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: WIFI: Adapter 3945abg on 12.10

    Hi, copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a text file in your home folder with wireless information so we can see the condition of your wireless at this time and the Mac address, WPA key and WEP key are removed for your security, then reply back, click on the paper clip and attach the netinfo.txt file.
    Thanks

  3. #3
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    Re: WIFI: Adapter 3945abg on 12.10

    Quote Originally Posted by Wild Man View Post
    It will download
    Here's the first problem: No WIFI, no Internet on the machine. My router doesn't have a LAN port. Is there a possibility to do that like downloading said script with my desktop-machine onto a USB-stick and to execute it from said stick?
    Last edited by Volleumel; March 29th, 2013 at 05:49 PM.

  4. #4
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    Re: WIFI: Adapter 3945abg on 12.10

    Follow the directions in this link to run the script without internet access.
    http://ubuntuforums.org/showthread.p...5#post12350385
    Thanks

  5. #5
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    Re: WIFI: Adapter 3945abg on 12.10

    I tried it but the "Execute" checkbox in "permissions" immediately gets empty again... Is that Linux where every little step turns into a new problem?

    Edit: now it works. wait a minute for the netinfo file!
    Last edited by Volleumel; March 29th, 2013 at 06:06 PM.

  6. #6
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    Re: WIFI: Adapter 3945abg on 12.10

    *************** info trace ****************



    **** uname -a ****


    Linux MiniMe 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:32:08 UTC 2012 i686 i686 i686 GNU/Linux


    **** lsb-release ****


    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.10
    DISTRIB_CODENAME=quantal
    DISTRIB_DESCRIPTION="Ubuntu 12.10"


    **** lspci ****


    00:19.0 Ethernet controller [0200]: Intel Corporation 82566MM Gigabit Network Connection [8086:1049] (rev 03)
    Subsystem: Lenovo Device [17aa:20de]
    Kernel driver in use: e1000e
    --
    03:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4227] (rev 02)
    Subsystem: Intel Corporation ThinkPad R60e/X60s [8086:1011]
    Kernel driver in use: iwl3945


    **** lsusb ****


    Bus 001 Device 003: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) 64MB QDI U2 DISK
    Bus 003 Device 002: ID 0a5c:2110 Broadcom Corp. Bluetooth Controller
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


    **** iwconfig ****


    wlan0 IEEE 802.11abg ESSIDff/any
    Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementn



    **** rfkill ****


    0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
    1: tpacpi_bluetooth_sw: Bluetooth
    Soft blocked: no
    Hard blocked: no
    2: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no


    **** lsmod ****


    Module Size Used by
    nls_iso8859_1 12617 1
    usb_storage 39350 1
    uas 17556 0
    snd_hda_codec_analog 75059 1
    coretemp 13168 0
    kvm_intel 126745 0
    kvm 357806 1 kvm_intel
    parport_pc 31968 0
    ppdev 12817 0
    rfcomm 37276 16
    bnep 17707 2
    pcmcia 39509 0
    snd_hda_intel 32515 3
    snd_hda_codec 111547 2 snd_hda_codec_analog,snd_hda_intel
    snd_hwdep 13272 1 snd_hda_codec
    snd_pcm 80163 2 snd_hda_intel,snd_hda_codec
    psmouse 84843 0
    arc4 12473 2
    microcode 18209 0
    serio_raw 13031 0
    snd_seq_midi 13132 0
    snd_rawmidi 25382 1 snd_seq_midi
    thinkpad_acpi 69337 1
    iwl3945 63695 0
    iwlegacy 87736 1 iwl3945
    yenta_socket 27095 0
    pcmcia_rsrc 18191 1 yenta_socket
    pcmcia_core 21505 3 pcmcia,yenta_socket,pcmcia_rsrc
    lpc_ich 16925 0
    nvram 13986 1 thinkpad_acpi
    mac80211 461161 2 iwl3945,iwlegacy
    cfg80211 175375 3 iwl3945,iwlegacy,mac80211
    snd_seq_midi_event 14475 1 snd_seq_midi
    btusb 17950 0
    bluetooth 183228 22 rfcomm,bnep,btusb
    tpm_tis 18208 0
    i915 457161 2
    snd_seq 51255 2 snd_seq_midi,snd_seq_midi_event
    snd_timer 24411 2 snd_pcm,snd_seq
    snd_seq_device 14137 3 snd_seq_midi,snd_rawmidi,snd_seq
    snd 61991 18 snd_hda_codec_analog,snd_hda_intel,snd_hda_codec,s nd_hwdep,snd_pcm,snd_rawmidi,thinkpad_acpi,snd_seq ,snd_timer,snd_seq_device
    mac_hid 13037 0
    drm_kms_helper 45271 1 i915
    drm 230463 3 i915,drm_kms_helper
    i2c_algo_bit 13197 1 i915
    video 18847 1 i915
    soundcore 14599 1 snd
    snd_page_alloc 14036 2 snd_hda_intel,snd_pcm
    lp 13299 0
    parport 40753 3 parport_pc,ppdev,lp
    firewire_ohci 35521 0
    sdhci_pci 18155 0
    sdhci 27830 1 sdhci_pci
    firewire_core 57492 1 firewire_ohci
    crc_itu_t 12627 1 firewire_core
    e1000e 174645 0


    **** nm-tool ****




    **** NetworkManager.state ****


    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true


    **** NetworkManager.conf ****


    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq

    [ifupdown]
    managed=false


    **** NetworkManager.conf-10.04 ****




    **** interfaces ****


    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback


    **** iwlist ****




    **** resolv ****


    # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
    # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN


    **** blacklist.conf ****


    # This file lists those modules which we don't want to be loaded by
    # alias expansion, usually so some other driver will be loaded for the
    # device instead.

    # evbug is a debug tool that should be loaded explicitly
    blacklist evbug

    # these drivers are very simple, the HID drivers are usually preferred
    blacklist usbmouse
    blacklist usbkbd

    # replaced by e100
    blacklist eepro100

    # replaced by tulip
    blacklist de4x5

    # causes no end of confusion by creating unexpected network interfaces
    blacklist eth1394

    # snd_intel8x0m can interfere with snd_intel8x0, doesn't seem to support much
    # hardware on its own (Ubuntu bug #2011, #6810)
    blacklist snd_intel8x0m

    # Conflicts with dvb driver (which is better for handling this device)
    blacklist snd_aw2

    # causes failure to suspend on HP compaq nc6000 (Ubuntu: #10306)
    blacklist i2c_i801

    # replaced by p54pci
    blacklist prism54

    # replaced by b43 and ssb.
    blacklist bcm43xx

    # most apps now use garmin usb driver directly (Ubuntu: #114565)
    blacklist garmin_gps

    # replaced by asus-laptop (Ubuntu: #184721)
    blacklist asus_acpi

    # low-quality, just noise when being used for sound playback, causes
    # hangs at desktop session start (Ubuntu: #246969)
    blacklist snd_pcsp

    # ugly and loud noise, getting on everyone's nerves; this should be done by a
    # nice pulseaudio bing (Ubuntu: #77010)
    blacklist pcspkr

    # EDAC driver for amd76x clashes with the agp driver preventing the aperture
    # from being initialised (Ubuntu: #297750). Blacklist so that the driver
    # continues to build and is installable for the few cases where its
    # really needed.
    blacklist amd76x_edac


    **** dmesg ****


    [ 15.872128] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s
    [ 15.872131] iwl3945: Copyright(c) 2003-2011 Intel Corporation
    [ 16.782481] iwl3945 0000:03:00.0: >Tunable channels: 13 802.11bg, 23 802.11a channels
    [ 16.782487] iwl3945 0000:03:00.0: >Detected Intel Wireless WiFi Link 3945ABG
    [ 16.782646] iwl3945 0000:03:00.0: >irq 44 for MSI/MSI-X
    [ 16.819366] ieee80211 phy0: >Selected rate control algorithm 'iwl-3945-rs'


    **************** done ********************

  7. #7
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: WIFI: Adapter 3945abg on 12.10

    Let's turn power management off:
    Code:
    gksudo gedit /etc/pm/power.d/wireless
    (this will create or edit a configuration file that will override the default power management behavior) and enter the following:
    Code:
    #!/bin/sh
    
    /sbin/iwconfig wlan0 power off
    above exit0, then save gedit, close and reboot.
    If this does not get it working we will try some driver parameters.
    Thanks

  8. #8
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    Re: WIFI: Adapter 3945abg on 12.10

    I typed in

    gksudo gedit /etc/pm/power.d/wireless

    pressed return, and: Nothing happens! A new command line appears, that's all.


  9. #9
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    Ubuntu 12.04 Precise Pangolin

    Re: WIFI: Adapter 3945abg on 12.10

    Did you follow the rest of the directions under the command?
    Thanks

  10. #10
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    Re: WIFI: Adapter 3945abg on 12.10

    What directions? As I said I typed in the command you told me, but I've got the impression that there is no gedit application on my machine. No editor appears. I tried to create the code with vi but several error messages later the folder "power.d" is still empty.
    You have to tell me each and every keystroke...

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