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Thread: Problem with wifi USB adapter

  1. #1
    Join Date
    Jul 2008
    Location
    Aryadesa
    Beans
    183
    Distro
    Ubuntu 12.04 Precise Pangolin

    Problem with wifi USB adapter

    hi,

    I'm unable to use Cisco Linksys Wireless-G USB adapter - Model No. WUSB54GC ver 3.

    Ubuntu distribution : Hardy Heron (updated)

    Desktop Environment : wmii

    lsusb :
    Code:
    Bus 007 Device 006: ID 1737:0077  
    Bus 007 Device 003: ID 04f2:b008 Chicony Electronics Co., Ltd 
    Bus 007 Device 001: ID 1d6b:0002  
    Bus 006 Device 001: ID 1d6b:0002  
    Bus 004 Device 001: ID 1d6b:0001  
    Bus 005 Device 001: ID 1d6b:0001  
    Bus 003 Device 002: ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem
    Bus 003 Device 001: ID 1d6b:0001  
    Bus 002 Device 001: ID 1d6b:0001  
    Bus 001 Device 001: ID 1d6b:0001
    First line corresponds to this device.

    dmesg :
    Code:
    [   36.481392] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
    [   36.481454] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
    [   38.100175] evdev.c(EVIOCGBIT): Suspicious buffer size 511, limiting output to 64 bytes. See http://userweb.kernel.org/~dtor/eviocgbit-bug.html
    [   68.136046] PPP BSD Compression module registered
    [   68.232257] PPP Deflate Compression module registered
    [  483.002311] CE: hpet increasing min_delta_ns to 15000 nsec
    [  525.672170] prism2_usb: no symbol version for module_layout
    [ 2113.933998] usb 7-5: USB disconnect, address 4
    [ 2124.576215] usb 7-5: new high speed USB device using ehci_hcd and address 5
    [ 2124.726579] usb 7-5: configuration #1 chosen from 1 choice
    Kernel : 2.6.31.5

    ifconfig : Has no mention of wlan

    lshw : Has no mention this device.

    Tried startup with device connected, no success.

    Read some threads which generally correspond to version 2 of the device.

    It probably uses Ralink chipset(cmiiw). I neither have Rt73 nor prism2_usb installed, confirmed by lsmod.

    Thanks
    Last edited by kcode; January 13th, 2010 at 02:04 PM. Reason: More info
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  2. #2
    Join Date
    Jul 2007
    Location
    Copenhagen
    Beans
    33
    Distro
    Ubuntu Studio 10.04 Lucid Lynx

    Re: Problem with wifi USB adapter

    Fellow ubuntu user

    I had a similar problem tjeck this:
    http://www.glenscott.net/2009/12/01/...-karmic-koala/

    best regards

  3. #3
    Join Date
    Apr 2005
    Beans
    2,165

    Re: Problem with wifi USB adapter

    I think kcode is trying to get this configured

    1737:0077
    rather than the

    ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem
    but it is certainly tricky to have both plugged in at the same time;

    kcode:

    have a read at this post

    http://ubuntuforums.org/showthread.php?t=1273401

    see if it helps

    I suspect you need the rt3070 and you may need to blacklist one or two rt modules that may also be present

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