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Thread: Internet keeps going on and off...

  1. #1
    Join Date
    Oct 2012
    Beans
    72
    Distro
    Ubuntu

    Internet keeps going on and off...

    I am using Ubuntu 12.04 LTS and my internet keeps going on and off.

    I am using wireless, so here are my settings:
    Code:
    02:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01)
        Subsystem: Lite-On Communications Inc Device 6617
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Memory at d2400000 (64-bit, non-prefetchable) [size=512K]
        Expansion ROM at d1400000 [disabled] [size=64K]
        Capabilities: [40] Power Management version 2
        Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
        Capabilities: [70] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Virtual Channel
        Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
        Kernel driver in use: ath9k
        Kernel modules: ath9k
    Can you please tell me how to fix this problem. Thank you.
    My Hardware

    My Software: Ubuntu 12.04 LTS, Linux

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  2. #2
    Join Date
    Oct 2012
    Beans
    72
    Distro
    Ubuntu

    Re: Internet keeps going on and off...

    If you need more information please ask me...
    My Hardware

    My Software: Ubuntu 12.04 LTS, Linux

    IRC Social Chat


  3. #3
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,626
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Internet keeps going on and off...

    Please try:
    Code:
    sudo ifconfig wlan0 down
    sudo modprobe -rv ath9k
    sudo modprobe ath9k nohwcrypt=1
    sudo ifconfig wlan0 up
    if it works we will need to make it permanent so do not reboot until you have tested in for a little while.
    Thanks

  4. #4
    Join Date
    Oct 2012
    Beans
    72
    Distro
    Ubuntu

    Re: Internet keeps going on and off...

    It works!!! Now how do I make it permanent?

    Thank you so much.
    My Hardware

    My Software: Ubuntu 12.04 LTS, Linux

    IRC Social Chat


  5. #5
    Join Date
    Oct 2012
    Beans
    72
    Distro
    Ubuntu

    Re: Internet keeps going on and off...

    Also, can you explain what the commands do to fix my problem? (I like finding out new things)
    My Hardware

    My Software: Ubuntu 12.04 LTS, Linux

    IRC Social Chat


  6. #6
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,626
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Internet keeps going on and off...

    Please run:
    Code:
    echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf
    sudo modprobe -rfv ath9k
    sudo modprobe -v ath9k
    it changes encryption from hardware to software.

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