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Thread: network configuration failure during boot (12.10)

  1. #1
    Join Date
    Mar 2011

    wireless network configuration failure during boot (ath9k in 12.10)

    Problem: During boot, ubuntu blocks for two minutes at the following stages, and wireless ultimately fails.

    Waiting for network configuration
    Waiting up to 60 seconds for network configuration
    Ubuntu 12.10 Server, fresh install
    TP-LINK TLWN722N (ath9k_htc module) connected through USB

    I installed 12.10 server, and during the installation, there is autoconfiguration of wireless. It worked like a charm for a few boots, and I started to have the above issue. After I made another fresh install of 12.10, wireless worked for a while, then I have the same problem again.

    Modules seem to have loaded fine
    $ lsmod | grep ath9
    ath9k_htc              91402  0 
    mac80211              539908  1 ath9k_htc
    ath9k_common           14055  1 ath9k_htc
    ath9k_hw              395218  2 ath9k_htc,ath9k_common
    ath                    23827  3 ath9k_htc,ath9k_common,ath9k_hw
    cfg80211              206566  3 ath9k_htc,mac80211,ath
    The interface file looks fine
    $ cat /etc/network/interfaces 
    # This file describes the network interfaces available on your system
    # and how to activate them. For more information, see interfaces(5).
    # The loopback network interface
    auto lo
    iface lo inet loopback
    # The primary network interface
    auto wlan0
    iface wlan0 inet dhcp
            wpa-ssid myssid
            wpa-psk  mypassword
    The workaround I have is eliminate all wait time in /etc/init/failsafe.conf so that the boot does not hang for 2 min. Then I restart the wireless connection with

    service networking restart
    in /etc/rc.local. The workaround works fine for now, but I would like to know the root cause of this. Spending an hour and half googling gives me complaints from various people regarding similar issue, but I have not found a satisfactory solution yet. I did not have this problem a few days ago when I used 12.04 server.

    I appreciate your help. Thanks.
    Last edited by Minjae; October 20th, 2012 at 11:44 PM. Reason: clarifying the title


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