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Thread: rel 11.10 and Intel Centrino adapter problem

  1. #1
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    rel 11.10 and Intel Centrino adapter problem

    I am new with Ubuntu although I have been running ver 11.04. I upgraded to 11.10 yesterday on my dual WIN 7/Ubuntu system. After upgrade my wireless fails. It keeps asking for security (authorization) code over and over but never connects. I am running an ASUS with Intel Centrino wireless_N + wimax 6150. I have looked at several posts on this forum and tried some ideas but none worked for me. I tried eliminating security code on router but no change. As I said I am a newbie and would appreciate any help I can get.
    Thanks

  2. #2
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    Re: rel 11.10 and Intel Centrino adapter problem

    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 and attach the netinfo.txt file.
    Thanks

  3. #3
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    Re: rel 11.10 and Intel Centrino adapter problem

    Quote Originally Posted by Wild Man View Post
    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 and attach the netinfo.txt file.
    Thanks
    FAILED: Name or Service not known
    WGET: unable to resolve host address: 'dl.dropbox.com'
    I pasted the above code to Terminal and ran
    Thanks

  4. #4
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    Re: rel 11.10 and Intel Centrino adapter problem

    Hi, it works for me, did you have a wired internet connection when you ran the command>
    Thanks

  5. #5
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    Re: rel 11.10 and Intel Centrino adapter problem

    Quote Originally Posted by Wild Man View Post
    Hi, it works for me, did you have a wired internet connection when you ran the command>
    Thanks
    No..I didn't have a wired connection when I ran the script.
    I did run a "sudo lshw -C network" command and have attached the txt file from that. Maybe that will help you determine my problem. As I said, I am a newbie and really don't know the commands and what is the best way to troubleshoot. I appreciate your help.
    Paul

    Text from Sudo:

    paul@ubuntu:~$ sudo lshw -C network
    [sudo] password for paul:
    *-network
    description: Wireless interface
    product: Centrino Wireless-N + WiMAX 6150
    vendor: Intel Corporation
    physical id: 0
    bus info: pci@0000:02:00.0
    logical name: wlan0
    version: 67
    serial: 40:25:c2:65:35:60
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
    configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-27-generic-pae firmware=41.28.5.1 build 33926 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
    resources: irq:50 memory:de800000-de801fff
    *-network
    description: Ethernet interface
    product: AR8151 v2.0 Gigabit Ethernet
    vendor: Atheros Communications
    physical id: 0
    bus info: pci@0000:04:00.0
    logical name: eth0
    version: c0
    serial: 14:da:e9:d5:71:10
    capacity: 1Gbit/s
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair
    resources: irq:53 memory:dd400000-dd43ffff ioport:a000(size=128)

  6. #6
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    Re: rel 11.10 and Intel Centrino adapter problem

    Hi please post the results of:
    Code:
    cat /etc/lsb-release; uname -a
    lspci -nnk | grep -iA2 net
    lsusb
    iwconfig
    rfkill list all
    lsmod
    by clicking on new reply and click # then paste the information between the brackets.
    Thank you
    Thanks

  7. #7
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    Re: rel 11.10 and Intel Centrino adapter problem

    Wild Man,
    Here is the code you requested. Some aditional info since I started this post. I have upgraded to ver 12.04 in hopes that this would solve my problem. The results of the upgrade are that my Centrino Wireless N + adapter is no loger shown under my Network. I am able to connect with a USB Belkin adapter but this cant be my permanent solution. I really do appreciate your helping me with this issue since I have very little knowledge of getting around in Ubuntu. Thanks again and if you need anything further please let me know.
    Paul

    Code:
    paul@ubuntu:~$ cat /etc/lsb-release; uname -a
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS"
    Linux ubuntu 3.2.0-33-generic-pae #52-Ubuntu SMP Thu Oct 18 16:39:21 UTC 2012 i686 i686 i386 GNU/Linux
    Code:
    paul@ubuntu:~$ lspci -nnk | grep -iA2 net
    02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N + WiMAX 6150 [8086:0885] (rev 67)
        Subsystem: Intel Corporation Centrino Wireless-N + WiMAX 6150 BGN [8086:1305]
        Kernel modules: iwlwifi
    --
    04:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
        Subsystem: ASUSTeK Computer Inc. Device [1043:1851]
        Kernel driver in use: atl1c
    Code:
    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:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 003: ID 8087:07d6 Intel Corp. 
    Bus 001 Device 004: ID 13d3:5710 IMC Networks 
    Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Wireless Mouse M305
    Bus 003 Device 002: ID 050d:815c Belkin Components F5D8053 N Wireless USB Adapter v3000 [Ralink RT2870]
    Code:
    lo        no wireless extensions.
    
    wlan1     IEEE 802.11bgn  ESSID:"lundy12345"  
              Mode:Managed  Frequency:2.417 GHz  Access Point: 00:22:75:D4:E4:E0   
              Bit Rate=54 Mb/s   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:on
              Link Quality=54/70  Signal level=-56 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:105  Invalid misc:561   Missed beacon:0
    
    eth0      no wireless extensions.
    [CODE]
    paul@ubuntu:~$ rfkill list all
    0: asus-wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    1: asus-wimax: WiMAX
    Soft blocked: no
    Hard blocked: no
    2: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    /CODE]

    Code:
    paul@ubuntu:~$ lsmod
    Module                  Size  Used by
    arc4                   12473  2 
    rt2800usb              22373  0 
    rt2800lib              53264  1 rt2800usb
    crc_ccitt              12595  1 rt2800lib
    rt2x00usb              20061  1 rt2800usb
    rt2x00lib              48836  3 rt2800usb,rt2800lib,rt2x00usb
    snd_hda_codec_hdmi     31775  1 
    snd_hda_codec_realtek   174313  1 
    rfcomm                 38139  0 
    parport_pc             32114  0 
    bnep                   17830  2 
    bluetooth             158438  10 rfcomm,bnep
    ppdev                  12849  0 
    binfmt_misc            17292  1 
    asus_nb_wmi            12622  0 
    asus_wmi               19624  1 asus_nb_wmi
    sparse_keymap          13658  1 asus_wmi
    snd_hda_intel          32765  3 
    snd_hda_codec         109562  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
    snd_hwdep              13276  1 snd_hda_codec
    snd_pcm                80845  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
    snd_seq_midi           13132  0 
    snd_rawmidi            25424  1 snd_seq_midi
    snd_seq_midi_event     14475  1 snd_seq_midi
    joydev                 17393  0 
    snd_seq                51567  2 snd_seq_midi,snd_seq_midi_event
    snd_timer              28931  2 snd_pcm,snd_seq
    snd_seq_device         14172  3 snd_seq_midi,snd_rawmidi,snd_seq
    uvcvideo               67203  0 
    videodev               86588  1 uvcvideo
    psmouse                71486  0 
    serio_raw              13027  0 
    mac80211              436455  3 rt2800lib,rt2x00usb,rt2x00lib
    snd                    62064  16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    cfg80211              178679  2 rt2x00lib,mac80211
    soundcore              14635  1 snd
    snd_page_alloc         14108  2 snd_hda_intel,snd_pcm
    i915                  419110  3 
    mei                    36570  0 
    drm_kms_helper         45466  1 i915
    drm                   197599  4 i915,drm_kms_helper
    i2c_algo_bit           13199  1 i915
    wmi                    18744  1 asus_wmi
    mac_hid                13077  0 
    video                  19068  1 i915
    lp                     17455  0 
    parport                40930  3 parport_pc,ppdev,lp
    usbhid                 41906  0 
    hid                    77392  1 usbhid
    atl1c                  36718  0

  8. #8
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    Re: rel 11.10 and Intel Centrino adapter problem

    Hi, first you will need to unplug your usb adapter to use your internal card.

    Your internal wireless driver is not loaded please try:
    Code:
    sudo modprobe -r iwlwifi
    sudo modprobe iwlwifi 11n_disable=1
    Thanks

  9. #9
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    Re: rel 11.10 and Intel Centrino adapter problem

    Here is what I got:

    Code:
    paul@ubuntu:~$ sudo modprobe -r iwlwifi
    paul@ubuntu:~$ sudo modprobe iwlwifi 11n_disable=1
    FATAL: Error inserting iwlwifi (/lib/modules/3.2.0-33-generic-pae/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko): Unknown symbol in module, or unknown parameter (see dmesg)
    paul@ubuntu:~$
    Thanks

  10. #10
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    Re: rel 11.10 and Intel Centrino adapter problem

    Hi, please do:
    Code:
    sudo modprobe iwlwifi
    Then post the output of:
    Code:
    cat /sys/module/iwlwifi/parameters/11n_disable
    Thanks

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