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Thread: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

  1. #1
    Join Date
    Jul 2011
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    Wireless card disabled Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Just installed ubunto 1104 and I cannot connect wirelesly to my router. When I go through the trouble shooting the recommendation is to got to the device drivers page but the link does not take me anywhere. Here is the info from the terminal.

    *-network DISABLED
    description: Wireless interface
    product: AR9287 Wireless Network Adapter (PCI-Express)
    vendor: Atheros Communications Inc.
    physical id: 0
    bus info: pci@0000:06:00.0
    logical name: wlan0
    version: 01
    serial: ec:55:f9:60:8e:87
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless

    06:00.0 Network controller: Atheros Communications Inc. AR9287 Wireless Network Adapter (PCI-Express) (rev 01)
    Looking for advice.
    Thanks
    Duke
    Last edited by haloxiv; July 7th, 2011 at 04:05 AM. Reason: Additional info

  2. #2
    Join Date
    Aug 2005
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    South Carolina, USA
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    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Oooh! Fun!

    Please run and post:
    Code:
    sudo modprobe ath9k
    rfkill list all
    dmesg | grep -e ath -e wlan
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
    Join Date
    Jul 2011
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    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Hey chill, here it is

    Thanks


    duke@ubuntu:~$ sudo modprobe ath9k
    duke@ubuntu:~$ rfkill list all
    0: acer-wireless: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
    1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    duke@ubuntu:~$ dmesg | grep -e ath -e wlan
    [ 0.492289] [<c104f912>] ? warn_slowpath_common+0x72/0xa0
    [ 0.492298] [<c104f9e3>] ? warn_slowpath_fmt+0x33/0x40
    [ 1.335353] device-mapper: multipath: version 1.2.0 loaded
    [ 1.335357] device-mapper: multipath round-robin: version 1.0.0 loaded
    [ 14.082025] ath9k 0000:06:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    [ 14.082035] ath9k 0000:06:00.0: setting latency timer to 64
    [ 14.172627] ath: EEPROM regdomain: 0x65
    [ 14.172631] ath: EEPROM indicates we should expect a direct regpair map
    [ 14.172635] ath: Country alpha2 being used: 00
    [ 14.172637] ath: Regpair used: 0x65
    [ 14.184775] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
    [ 14.185440] Registered led device: ath9k-phy0::radio
    [ 14.185466] Registered led device: ath9k-phy0::assoc
    [ 14.185487] Registered led device: ath9k-phy0::tx
    [ 14.185505] Registered led device: ath9k-phy0::rx
    [ 15.274897] ADDRCONF(NETDEV_UP): wlan0: link is not ready

  4. #4
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    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Err, sorry chili

  5. #5
    Join Date
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    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    0: acer-wireless: Wireless LAN
    Soft blocked: yes
    Dr. Chili doesn't like this at all, but I think we can fix it. Please do:
    Code:
    sudo rmmod -f acer-wmi
    Does your wireless spring to life? If so, let's banish acer-wmi forever:
    Code:
    sudo su
    echo "blacklist acer-wmi" >> /etc/modprobe.d/blacklist.conf
    exit
    If that doesn't do it, post back and we'll dig deeper.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  6. #6
    Join Date
    Jul 2011
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    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04 Solved

    Dr, thx that fixed it and both sections done and done. I have never touch anything but windows on a comp and want to lean this so I can install it on an old laptop for the kids and be able to do a little trouble shooting for them.

    Duke

  7. #7
    Join Date
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    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Awesome, Duke! Although, when I read "...Acer...wireless not working..." I was 90% sure I already knew the answer. It's always good to get a confirmation, though.

    Post back if we can help you further and you might use Thread Tools at the top to Mark Solved. I wish they were all this easy!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  8. #8
    Join Date
    Sep 2009
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    2

    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    This one helped me too. Just got an Acer Aspire 7551 and am setting it up for Linux/android/beagleboard development.

    Thanks.

  9. #9
    Join Date
    Jun 2007
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    60

    Re: Qualcomm AR9287/ Acer Aspire 7551/ Uunto 11.04

    Doc, you are awesome and a life saver. Same issue, same resolution. Thanks a lot.

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