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Thread: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

  1. #1
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    Question wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Hello, pretty new to Ubuntu. I'm having trouble getting my wireless internet to work after a software update last night (Oct. 12). Unfortunately, I'm traveling for a long time and don't have access to a wired internet connection for the moment.

    What happens is after entering the network's password, it will sometimes say "connection established" but no signal bars will appear nor will Firefox or Chrome be able to load anything. Then it'll drop the connection and make several failed attempts to connect again. Occasionally, it will successfully reconnect and a couple of bars appear, but Firefox or Chrome still fail to load anything. Everything was working fine up until I updated last night. Computers running Windows on the same network work without issue.

    After the classic turn it off/on troubleshooting failed, I've tried the advice posted in the following threads:
    http://ubuntuforums.org/showthread.php?t=2180335
    http://askubuntu.com/questions/12826...an-atheros-car
    http://www.linuxplained.com/how-to-f...cise-pangolin/

    And here is some information as requested on other similar threads:
    Code:
    sudo  lshw -Cnetwork
     
     *-network               
           description:Ethernet interface
           product:RTL8101E/RTL8102E PCI Express Fast Ethernet controller
           vendor: RealtekSemiconductor Co., Ltd.
           physical id: 0
           bus info:pci@0000:01:00.0
           logical name:eth0
           version: 05
           serial:04:7d:7b:c4:02:ef
           size: 10Mbit/s
           capacity:100Mbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pmmsi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt10bt-fd 100bt 100bt-fd autonegotiation
           configuration:autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPIduplex=half firmware=rtl_nic/rtl8105e-1.fw latency=0 link=no multicast=yesport=MII speed=10Mbit/s
           resources:irq:43 ioport:2000(size=256) memory:f0004000-f0004fff memory:f0000000-f0003fff
      *-network
           description:Wireless interface
           product: AR9485Wireless Network Adapter
           vendor: QualcommAtheros
           physical id: 0
           bus info:pci@0000:02:00.0
           logical name:wlan0
           version: 01
           serial:e0:06:e6:23:6a:73
           width: 64 bits
           clock: 33MHz
           capabilities: pmmsi pciexpress bus_master cap_list rom ethernet physical wireless
           configuration:broadcast=yes driver=ath9k driverversion=3.9.0-030900rc8-generic firmware=N/Aip=192.168.1.101 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
           resources:irq:17 memory:f0100000-f017ffff memory:f0300000-f030ffff
     
     
    lspci -v
    00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 14h Processor Root Complex
                Subsystem:Advanced Micro Devices, Inc. [AMD] Family 14h Processor Root Complex
                Flags: busmaster, 66MHz, medium devsel, latency 32
     
    00:01.0 VGA compatible controller: Advanced Micro Devices,Inc. [AMD/ATI] Wrestler [Radeon HD 6290] (prog-if 00 [VGA controller])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, fast devsel, latency 0, IRQ 44
                Memory ate0000000 (32-bit, prefetchable) [size=256M]
                I/O ports at3000 [size=256]
                Memory atf0200000 (32-bit, non-prefetchable) [size=256K]
                ExpansionROM at <unassigned> [disabled]
                Capabilities:<access denied>
                Kerneldriver in use: radeon
                Kernelmodules: radeon
     
    00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI]Wrestler HDMI Audio
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, fast devsel, latency 0, IRQ 46
                Memory atf0244000 (32-bit, non-prefetchable) [size=16K]
                Capabilities:<access denied>
                Kerneldriver in use: snd_hda_intel
                Kernelmodules: snd-hda-intel
     
    00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family14h Processor Root Port (prog-if 00 [Normal decode])
                Flags: busmaster, fast devsel, latency 0
                Bus:primary=00, secondary=01, subordinate=01, sec-latency=0
                I/O behindbridge: 00002000-00002fff
                Prefetchablememory behind bridge: 00000000f0000000-00000000f00fffff
                Capabilities:<access denied>
                Kerneldriver in use: pcieport
                Kernelmodules: shpchp
     
    00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family14h Processor Root Port (prog-if 00 [Normal decode])
                Flags: busmaster, fast devsel, latency 0
                Bus:primary=00, secondary=02, subordinate=02, sec-latency=0
                Memorybehind bridge: f0100000-f01fffff
                Prefetchablememory behind bridge: 00000000f0300000-00000000f03fffff
                Capabilities:<access denied>
                Kerneldriver in use: pcieport
                Kernelmodules: shpchp
     
    00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB XHCI Controller (rev 03) (prog-if 30 [XHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, fast devsel, latency 0, IRQ 18
                Memory atf0248000 (64-bit, non-prefetchable) [size=8K]
                Capabilities:<access denied>
                Kerneldriver in use: xhci_hcd
     
    00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD]FCH SATA Controller [AHCI mode] (prog-if 01 [AHCI 1.0])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 64, IRQ 45
                I/O ports at3118 [size=8]
                I/O ports at3124 [size=4]
                I/O ports at3110 [size=8]
                I/O ports at3120 [size=4]
                I/O ports at3100 [size=16]
                Memory atf024f000 (32-bit, non-prefetchable) [size=2K]
                Capabilities:<access denied>
                Kerneldriver in use: ahci
                Kernelmodules: ahci
     
    00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB OHCI Controller (rev 11) (prog-if 10 [OHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 32, IRQ 18
                Memory atf024e000 (32-bit, non-prefetchable) [size=4K]
                Kerneldriver in use: ohci_hcd
     
    00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB EHCI Controller (rev 11) (prog-if 20 [EHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 32, IRQ 17
                Memory atf024d000 (32-bit, non-prefetchable) [size=256]
                Capabilities:<access denied>
                Kerneldriver in use: ehci-pci
     
    00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB OHCI Controller (rev 11) (prog-if 10 [OHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 32, IRQ 18
                Memory atf024c000 (32-bit, non-prefetchable) [size=4K]
                Kerneldriver in use: ohci_hcd
     
    00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB EHCI Controller (rev 11) (prog-if 20 [EHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 32, IRQ 17
                Memory atf024b000 (32-bit, non-prefetchable) [size=256]
                Capabilities:<access denied>
                Kerneldriver in use: ehci-pci
     
    00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBusController (rev 14)
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags:66MHz, medium devsel
                Kernelmodules: i2c-piix4
     
    00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCHAzalia Controller (rev 01)
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, slow devsel, latency 32, IRQ 47
                Memory atf0240000 (64-bit, non-prefetchable) [size=16K]
                Capabilities:<access denied>
                Kerneldriver in use: snd_hda_intel
                Kernelmodules: snd-hda-intel
     
    00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCHLPC Bridge (rev 11)
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 0
     
    00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCHPCI Bridge (rev 40) (prog-if 01 [Subtractive decode])
                Flags: busmaster, 66MHz, medium devsel, latency 64
                Bus:primary=00, secondary=03, subordinate=03, sec-latency=64
     
    00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD]FCH USB OHCI Controller (rev 11) (prog-if 10 [OHCI])
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, 66MHz, medium devsel, latency 32, IRQ 18
                Memory atf024a000 (32-bit, non-prefetchable) [size=4K]
                Kerneldriver in use: ohci_hcd
     
    00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 0 (rev 43)
                Flags: fastdevsel
     
    00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 1
                Flags: fastdevsel
     
    00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 2
                Flags: fastdevsel
     
    00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 3
                Flags: fastdevsel
                Capabilities:<access denied>
                Kerneldriver in use: k10temp
                Kernelmodules: k10temp
     
    00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 4
                Flags: fastdevsel
     
    00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 6
                Flags: fastdevsel
     
    00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 5
                Flags: fastdevsel
     
    00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD]Family 12h/14h Processor Function 7
                Flags: fastdevsel
     
    01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
                Subsystem:Acer Incorporated [ALI] Device 0740
                Flags: busmaster, fast devsel, latency 0, IRQ 43
                I/O ports at2000 [size=256]
                Memory atf0004000 (64-bit, prefetchable) [size=4K]
                Memory atf0000000 (64-bit, prefetchable) [size=16K]
                Capabilities:<access denied>
                Kerneldriver in use: r8169
                Kernelmodules: r8169
     
    02:00.0 Network controller: Qualcomm Atheros AR9485 WirelessNetwork Adapter (rev 01)
                Subsystem:Foxconn International, Inc. Device e047
                Flags: busmaster, fast devsel, latency 0, IRQ 17
                Memory atf0100000 (64-bit, non-prefetchable) [size=512K]
                ExpansionROM at f0300000 [disabled] [size=64K]
                Capabilities:<access denied>
                Kerneldriver in use: ath9k
                Kernelmodules: ath9k
     
    uname -mr
    
    3.9.0-030900rc8-generic i686
    Any advice? Or is there a way to "undo" updates? Please let me know if I'm missing any info here.

  2. #2
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Welcome. Also the output of:

    Code:
    iwconfig
    Thanks. The card has a driver installed and appears to be fine, but this has me a bit bemused:

    Code:
    driverversion=3.9.0-030900rc8-generic firmware=N/Aip=192.168.1.101
    Are you running a custom/newer kernel than the default 12.04 LTS kernel? Have you installed one manually or you have a third-party PPA for the kernel installed? Maybe this is a result of one of the things you tried from the links you supplied, but this doesn't add up:

    Code:
    3.9.0-030900rc8-generic
    12.04 does not use that kernel by default. You should be seeing something like this:

    Code:
    3.2.0-53-generic
    Might not be your issue, but might not be helping.
    Last edited by Bucky Ball; October 13th, 2013 at 06:44 AM.

  3. #3
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Thanks for the fast reply. Here is the output of iwconfig:

    wlan0 IEEE802.11bgn ESSID:off/any
    Mode:Managed Access Point:Not-Associated Tx-Power=16 dBm
    Retry long limit:7 RTS thr:off Fragment thr:off
    PowerManagement:on

    lo no wirelessextensions.


    eth0 no wirelessextensions.
    Yes, I should have mentioned that I replaced (downgraded? unsure of the proper word here) the kernel because of an unrelated issue I was having with brightness settings (seems to be a common problem with the Acer Aspire One and Ubuntu 12.04... the brightness was stuck on the highest setting). Though I did this several months ago and it didn't seem to affect my wireless connectivity at all until last night's update. Maybe something is interacting here that's causing the problem?
    Last edited by wXPnHse; October 13th, 2013 at 08:50 AM. Reason: typos

  4. #4
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Could be. Could you right click on the network icon and 'Edit Connections'. Try setting that up to the exact details required. The result of 'iwconfig' is showing 'not associated'. When you left click the network icon do you see a list of available networks or nothing? If something, can you see yours and what exactly happens when you try and connect (if you can see it)?

  5. #5
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Apologies but I'm having some trouble understanding what you mean by "setting that up to the exact details required." Do you mean simply adding the network name and password to the list?

    Right and left clicking appear to bring up the same menu, which includes both a list of connections (which I can see in full) and the Edit Connections menu. Attempting to connect to my network results in a couple of different things:
    1. A notification appears that says "disconnected from network" or something to that effect. Will then attempt to reconnect automatically.
    2. I'm prompted to enter the encryption key again.
    3. This is the most confusing. A notification appears that says "connection established", but my signal indicator icon is empty (occasionally it will display 1 or 2 bars, once it actually displayed all 5). Browsers are unable to display anything, and reopening the list of connections indicates that I'm not actually connected. After a few minutes, it will disconnect and attempt to reconnect automatically.

  6. #6
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Ok. Try all this with your Network Manager GUI open at the 'Wireless' tab. That should tell you what's connected to what and when. Just wondering if it might be getting confused as to which network to connect to. Also, when it says it is connected, run the 'iwconfig' again and see what it is associated with, if anything.

    I mean: set up the wireless connection manually in the Network Manager>Wireless tab rather than letting it connect automatically. Might stop any confusion, might not.

    Edit Network>Wireless>Click your network or add it if it doesn't already exist (if it doesn't already exist then we could be on the right track).
    Fill in its details; ESSID (name of network) under the Wireless tab, security type and details, etc. under the wireless security tab, the correct IPv4 details under there, and set IPv6 to 'ignore' if you're not using it (automatic should also work but just to be sure).

    You'll need to find these details out if you don't know them.

    When done, make sure 'Available to all users' is ticked at the bottom and 'Connect Automatically' is ticked at the top. This might prevent it connecting with any other available networks.

    Reboot and see if it connects (associates) automatically with your network.
    Last edited by Bucky Ball; October 13th, 2013 at 04:08 PM.

  7. #7
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Hi, please do:
    Code:
    echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf
    sudo modprobe -rfv ath9k
    sudo modprobe -v ath9k
    does it connect now?
    Thanks

  8. #8
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Bucky Ball: Manually setting the details as you described didn't seem to do anything. I think it's possible to rule out confusion as to what network to connect to: it only ever tries to automatically connect to ones that it has connected to in the past. It continues to do exactly as it's been doing for the last couple of days. Those few moments when it does connect doesn't give me quite enough time to run iwconfig but I'll keep seeing if I can catch it.

    Wild Man:
    echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf
    resulted in:
    tee: /modprobe.d/ath9k.conf: No such file or directory
    options ath9k nowhcrypt=1
    Perhaps I'm missing a file that I need here?

  9. #9
    Join Date
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Please do it this way then:
    Code:
    gksudo gedit /etc/modprobe.d/ath9k.conf
    Add one line:

    Code:
    options ath9k nohwcrypt=1
    Proofread carefully, save and close gedit. Reboot.

  10. #10
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    Re: wireless broken after update: Ubuntu 12.04.3 LTS on acer aspire one 725-0488

    Still no good. Everything is exactly the same as before.

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