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Thread: Problem with Reliance Netconnect LG LXU-800 USB Modem

  1. #1
    Join Date
    Jul 2009
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    Angry Problem with Reliance Netconnect LG LXU-800 USB Modem

    Hello there,

    My problem is that i just cant get my CDMA 1X LG LXU-800 USB modem to connect to the internet.
    I have been checking numerous websites, blogs and forums to get it sorted. Have tried every thing from wvdial, pppconfig, in built Network Manager and what not. But the results have been very very diasappointing.

    First of all i try to install according to their user manual and i get this

    root@kush-laptop:~/bin# bash setup.sh
    FATAL: Error inserting LXU800Mdm (/lib/modules/2.6.28-11-generic/kernel/drivers/usb/LXU800Mdm.ko): Invalid module format
    Kernel Modules are loaded.

    and then i get following results with the following commands

    root@kush-laptop:~# lsusb

    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 005 Device 005: ID 04b3:310b IBM Corp. Red Wheel Mouse
    Bus 005 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 003 Device 009: ID 0eab:9357
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


    root@kush-laptop:~# modprobe usbserial vendor=0xeab product=0x9357
    FATAL: Module usbserial not found.


    root@kush-laptop:~# dmesg
    [ 1913.704103] usb 5-1: new full speed USB device using uhci_hcd and address 2
    [ 1913.824091] usb 5-1: device descriptor read/64, error -71
    [ 1914.104079] usb 5-1: device descriptor read/64, error -71
    [ 1914.320089] usb 5-1: new full speed USB device using uhci_hcd and address 3
    [ 1914.444103] hub 5-0:1.0: unable to enumerate USB device on port 1
    [ 1915.216081] usb 5-1: new full speed USB device using uhci_hcd and address 4
    [ 1915.434758] usb 5-1: configuration #1 chosen from 1 choice
    [ 1915.446928] LXU800Mdm: disagrees about version of symbol struct_module
    [ 1915.461789] LXU800Mdm: disagrees about version of symbol struct_module
    [ 1915.475847] LXU800Mdm: disagrees about version of symbol struct_module



    This is my wvdialconf [i checked it from https://help.ubuntu.com/community/Di...emHowto/LXU800]

    [Dialer Defaults]
    Init1 = AT
    Init2 = ATE0V1
    Modem Type = Analog Modem
    Baud = 115200
    New PPPD = yes
    Modem = /dev/ttyUSB0
    ISDN = 0
    Phone = "#777"
    Password = <mypassword>
    Username = <mynumber>


    root@kush-laptop:~# wvdial
    --> WvDial: Internet dialer version 1.60
    --> Cannot open /dev/ttyUSB0: No such file or directory
    --> Cannot open /dev/ttyUSB0: No such file or directory
    --> Cannot open /dev/ttyUSB0: No such file or directory

    I checked there is nothing like ttyUSB0 , but there is also nothing else..

    So this is what my situation is, i am using Ubuntu 9.04 from my Dual boot laptop and this USB Modem is my only source of internet connection.. So i cant do "apt-get" kind of thing also. Some people have got it working, but dont know how(http://ninadpundalik.co.cc/blog/2009...ubuntu-jaunty/) .

    Please help me out..
    I am stuck with it for 3 weeks now..and honestly i am feeling a bit let down with this otherwise wonderful OS...
    Last edited by KushKashyap; July 27th, 2009 at 09:48 PM.

  2. #2
    Join Date
    Aug 2008
    Location
    Athens Greece
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    971
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Hi KushKashyap,
    as this modem is your only possible connection to the internet (on the Ubuntu running PC) and you have the original Ubuntu 9.04 liveCD which has the usbserial driver encapsulated into kernel, you must first try those stated on:
    http://ubuntuforums.org/showpost.php...54&postcount=4

    This will solve:
    root@kush-laptop:~# modprobe usbserial vendor=0xeab product=0x9357
    FATAL: Module usbserial not found.
    Pete Graner:
    "As a short term workaround until we can get it added pls try and report back with:
    Built in modules can have module params passed on the kernel command line: can you try booting with:

    usbserial.vendor=0x0eab usbserial.product=0x9357

    You will need to press ESC during to grub pause upon restart/power on.
    Arrow down to the kernel you wish to boot.
    press "e" (for edit)
    Arrow down to the 2nd line (the command line)
    Press Enter to begin editing
    Arrow to the end of the line and add:
    usbserial.vendor=0x0eab usbserial.product=0x9357
    When done press enter. Then press "b" to boot"
    You have to 'extend' the line with all parameters ending to '...quiet splash'
    and make it '...quiet splash usbserial.vendor=0x0eab usbserial.product=0x9357'

    I placed you modem's VendorID & productID.

    If you get the serial-communication ports (/dev/tty...) you can proceed to the next step.

    Regards,
    George
    Last edited by GeorgeVita; July 28th, 2009 at 10:08 AM.

  3. #3
    Join Date
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    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Thanks a lot GeorgeVita, I did exactly what you had told me to do at the booting time ... Now i had ttyUSB0 ... but for this do i have to type that line everytime i boot, because the next time they disaapeared.
    Anyways i tried wvdial and the following things happened.

    Carrier detected. Waiting for prompt.
    --> Connected, but carrier signal lost! Retrying...



    --> WvDial: Internet dialer version 1.60
    --> Cannot get information for serial port.
    --> Initializing modem.
    --> Sending: AT
    OK
    --> Sending: ATE0V1
    OK
    --> Modem initialized.
    --> Sending: ATDT#777
    --> Waiting for carrier.
    CONNECT
    --> Carrier detected. Waiting for prompt.
    --> Connected, but carrier signal lost! Retrying...
    --> Sending: ATDT#777
    --> Waiting for carrier.

    But my connection is running absolutely fine on my Windows OS... I also double checked my UserName and Password

    I also did modprobe but that resulred in a fatal Module error. Thanks a lot
    Last edited by KushKashyap; July 29th, 2009 at 04:39 PM.

  4. #4
    Join Date
    Aug 2008
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    Ubuntu 12.04 Precise Pangolin

    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Hi KushKashyap,
    at this initial state it is better to add it at boot time, later after the connection you will do a full update from System > Administration > Update Manager which will restore the usbserial driver.

    To connect try:
    Code:
    sudo gedit /etc/wvdial.conf
    and make it:
    Code:
    [Dialer Defaults]
    Init1 = ATZ
    Init2 = ATE0V1
    Stupid Mode = Yes
    Modem Type = Analog Modem
    Baud = 115200
    New PPPD = yes
    Modem = /dev/ttyUSB0
    ISDN = 0
    Phone = "#777"
    Password = <mypassword>
    Username = <mynumber>
    Init1 changed to ATZ and 'Stupid mode = Yes' added to skip 'prompt at login'.

    Post results to continue.

    Regards,
    George

  5. #5
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    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Thanks a lot GeorgeVita, with your efforts i am writing this post from my Ubuntu
    Your changes worked like a charm..
    Thanks a lot...
    Last edited by KushKashyap; July 29th, 2009 at 09:12 PM.

  6. #6
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    Exclamation Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    is this configuration will work on my Reliance LG 6600 cdma mobile ?

  7. #7
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    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Quote Originally Posted by nikeldev View Post
    is this configuration will work on my Reliance LG 6600 cdma mobile ?
    What configuration wvdial?? Yes i think so... but plz check what is the number to be dialed... is it same #777; or *99# or *99***# as in other mobiles when using Dial Up

  8. #8
    Join Date
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    India
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    Kubuntu 8.10 Intrepid Ibex

    Smile Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Quote Originally Posted by KushKashyap View Post
    Thanks a lot GeorgeVita, with your efforts i am writing this post from my Ubuntu
    Your changes worked like a charm..
    Thanks a lot...
    Thanx both you guys for the wvdial settings. I had been using that dialer with pppd for all these days(as i've noted in my post). Will give wvdial a try when i get my hands on the dialer again.

  9. #9
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    Amritsar, India
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    Ubuntu 10.04 Lucid Lynx

    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    i m having the same problems with mu zte mg880 usb reliance data card. also that i have tried all the other methods(i've been googling for 2 weeks now).there dosen't seem to be a ttyUSb port anywhere. mine is ubuntu 9.04 dual boot with windows xp. should i use the same method written up here. kindly resolve my problem.

  10. #10
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: Problem with Reliance Netconnect LG LXU-800 USB Modem

    Hi Abhinav K Sahdev, please do some basic tests:

    - boot without the modem
    - wait for the system to load
    - attach modem, wait 15 seconds
    - open a terminal window (Applications > Accessories > Terminal)
    - try
    Code:
    dmesg
    - copy here ONLY the LAST 10-15 lines of dmesg possibly shown system activity regarding your modem
    - try
    Code:
    lsusb
    - copy here the output of lsusb to see actual vendorID : productID

    Regards,
    George

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