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Thread: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

  1. #21
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Hi guys. Hope you can help with my very similar problem.

    I have about same configuration as above, however I'm not using a router, but an Internet Connection Sharing ad-hoc mode between 2 computers.

    The host is running Windows XP and the client is the Acer laptop with the Atheros wifi.

    I can see a list of wireless networks, I'm trying to connect to my home network but it is trying to connect for a few minutes, then it gives up.

    I've tried all the things you mentioned here with no success.

    Much appreciated any useful tip.

  2. #22
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Hi, welcome to the forum! I do not know much about internet sharing, I do know that AD-Hoc is problematic for connection issues in ubuntu a lot of times.

    I researched for quite awhile before posting I found that with your driver is it is the same one as the OP can be set up as an Access point.
    Here is a link for it.
    https://help.ubuntu.com/community/WifiDocs/Adhoc
    http://en.wikipedia.org/wiki/Wi-Fi_Protected_Setup
    Last edited by Wild Man; September 11th, 2011 at 06:21 PM. Reason: spelling

  3. #23
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Quote Originally Posted by wildmanne39 View Post
    Hi, welcome to the forum! I do not know much about internet sharing, I do not that AD-Hoc is problematic for connection issues in ubuntu a lot of times.

    I researched for quite awhile before posting I found that with your driver is it is the same one as the OP can be set up as an Access point.
    Here is a link for it.
    https://help.ubuntu.com/community/WifiDocs/Adhoc
    http://en.wikipedia.org/wiki/Wi-Fi_Protected_Setup
    Thank you for your prompt answer.

    It is simpler, actually, no access point is needed. There are 2 computers. The host computer is a desktop with Windows XP on it.

    A wireless ad-hoc network has already been created there and tested with another vista laptop and another desktop linux, the last 2 both as clients. They connect to the wireless network created on the Windos XP host. So the network is operational and the ICS works fine.

    The linux desktop is having some problems connecting sometimes, but after a few disabling and re-enabling wireless it connects. Manual IPv4 settings only though, automatic seems to try to connect for ever...

    However, I just installed Lubuntu 11.04 on a laptop with Atheros wifi and it tries to connect but it gives up after a while. It should connect same as the others. I tried manual settings, same as in the previous desktop linux but nothing. It connects (or just shows connected status, just like that), but no ICS...

    So, to summarize: The network created on the host (Windows XP) PC is operational and ICS works with both other Windows and Linux clients. No access points needed, simple ad-hoc mode, just like:

    http://windows.microsoft.com/en-US/w...work-no-router

    ....
    Thanks again.

  4. #24
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Hi, post the results of these commands here please it may be an issue with your wireless driver.
    Code:
    sudo lshw -C network
    Code:
    nm-tool
    Code:
    lspci -nn | grep -e 0280 -e 0200
    Code:
    lsusb
    Code:
    iwconfig
    Code:
    rfkill list all
    Code:
    sudo iwlist scan
    Code:
    lsmod | grep ath
    Code:
    dmesg | grep ath
    by clicking on new reply and click # and paste the information between the brackets.
    Thank you

  5. #25
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Quote Originally Posted by wildmanne39 View Post
    Hi, post the results of these commands here please it may be an issue with your wireless driver.
    Code:
    sudo lshw -C network
    [sudo] password for mese: 
    
      *-network               
    
           description: Ethernet interface
    
           product: NetXtreme BCM5764M Gigabit Ethernet PCIe
    
           vendor: Broadcom Corporation
    
           physical id: 0
    
           bus info: pci@0000:02:00.0
    
           logical name: eth0
    
           version: 10
    
           serial: 00:1f:16:c0:2d:c3
    
           capacity: 1Gbit/s
    
           width: 64 bits
    
           clock: 33MHz
    
           capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
    
           configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.116 firmware=5764m-v3.34 latency=0 link=no multicast=yes port=twisted pair
    
           resources: irq:45 memory:f4500000-f450ffff
    
      *-network
    
           description: Wireless interface
    
           product: AR928X Wireless Network Adapter (PCI-Express)
    
           vendor: Atheros Communications Inc.
    
           physical id: 0
    
           bus info: pci@0000:03:00.0
    
           logical name: wlan0
    
           version: 01
    
           serial: 00:17:c4:a3:cd:5c
    
           width: 64 bits
    
           clock: 33MHz
    
           capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
    
           configuration: broadcast=yes driver=ath9k driverversion=2.6.38-11-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
    
           resources: irq:17 memory:f4600000-f460ffff
    
    mese@mesezene:~$
    Code:
    nm-tool
    mese@mesezene:~$ nm-tool
    
    
    
    NetworkManager Tool
    
    
    
    State: disconnected
    
    
    
    - Device: eth0 -----------------------------------------------------------------
    
      Type:              Wired
    
      Driver:            tg3
    
      State:             unavailable
    
      Default:           no
    
      HW Address:        00:1F:16:C0:2D:C3
    
    
    
      Capabilities:
    
        Carrier Detect:  yes
    
    
    
      Wired Properties
    
        Carrier:         off
    
    
    
    
    
    - Device: wlan0 ----------------------------------------------------------------
    
      Type:              802.11 WiFi
    
      Driver:            ath9k
    
      State:             disconnected
    
      Default:           no
    
      HW Address:        00:17:C4:A3:CD:5C
    
    
    
      Capabilities:
    
    
    
      Wireless Properties
    
        WEP Encryption:  yes
    
        WPA Encryption:  yes
    
        WPA2 Encryption: yes
    
    
    
      Wireless Access Points 
    
        Pulse:           Infra, 00:1B:FC:3A:DE:2D, Freq 2412 MHz, Rate 54 Mb/s, Strength 35
    
        default:         Infra, E0:CB:4E:E4:DE:2A, Freq 2447 MHz, Rate 54 Mb/s, Strength 58
    
        Esmeralda:         Ad-Hoc, D6:72:82:AB:34:04, Freq 2412 MHz, Rate 11 Mb/s, Strength 87 WEP
    
        obsfere:      Infra, 00:21:27:D6:EB:98, Freq 2437 MHz, Rate 54 Mb/s, Strength 31 WPA WPA2
    
        AtlasTelecom:    Infra, 00:90:4B:CA:18:45, Freq 2472 MHz, Rate 54 Mb/s, Strength 51 WPA Enterprise
    
    
    
    
    
    mese@mesezene:~$
    Code:
    lspci -nn | grep -e 0280 -e 0200
    mese@mesezene:~$ lspci -nn | grep -e 0280 -e 0200
    
    02:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684] (rev 10)
    
    03:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)
    
    mese@mesezene:~$
    Code:
    lsusb
    mese@mesezene:~$ lsusb
    
    Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 006 Device 002: ID 04f3:0230 Elan Microelectronics Corp. 
    
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    
    Bus 002 Device 003: ID 0930:6545 Toshiba Corp. Kingston DataTraveler 102 flash drive
    
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    mese@mesezene:~$
    Code:
    iwconfig
    mese@mesezene:~$ iwconfig
    
    lo        no wireless extensions.
    
    
    
    eth0      no wireless extensions.
    
    
    
    wlan0     IEEE 802.11bgn  ESSID:off/any  
    
              Mode:Managed  Access Point: Not-Associated   Tx-Power=14 dBm   
    
              Retry  long limit:7   RTS thr:off   Fragment thr:off
    
              Power Management:on
    
              
    
    mese@mesezene:~$
    Code:
    rfkill list all
    mese@mesezene:~$ rfkill list all
    
    0: acer-wireless: Wireless LAN
    
        Soft blocked: no
    
        Hard blocked: no
    
    1: acer-threeg: Wireless WAN
    
        Soft blocked: no
    
        Hard blocked: no
    
    2: phy0: Wireless LAN
    
        Soft blocked: no
    
        Hard blocked: no
    
    mese@mesezene:~$
    Code:
    sudo iwlist scan
    mese@mesezene:~$ sudo iwlist scan
    
    lo        Interface doesn't support scanning.
    
    
    
    eth0      Interface doesn't support scanning.
    
    
    
    wlan0     Scan completed :
    
              Cell 01 - Address: D6:72:82:AB:34:04
    
                        Channel:1
    
                        Frequency:2.412 GHz (Channel 1)
    
                        Quality=60/70  Signal level=-50 dBm  
    
                        Encryption key:on
    
                        ESSID:"Esmeralda"
    
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
    
                        Mode:Ad-Hoc
    
                        Extra:tsf=00000000657f9eca
    
                        Extra: Last beacon: 844ms ago
    
                        IE: Unknown: 000750756D706B696E
    
                        IE: Unknown: 010482848B96
    
                        IE: Unknown: 030101
    
                        IE: Unknown: 06020000
    
              Cell 02 - Address: E0:CB:4E:E4:DE:2A
    
                        Channel:8
    
                        Frequency:2.447 GHz (Channel 8)
    
                        Quality=40/70  Signal level=-70 dBm  
    
                        Encryption key:off
    
                        ESSID:"default"
    
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
    
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
    
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
    
                        Mode:Master
    
                        Extra:tsf=0000002d3f83b16a
    
                        Extra: Last beacon: 392ms ago
    
                        IE: Unknown: 000764656661756C74
    
                        IE: Unknown: 010882848B961224486C
    
                        IE: Unknown: 030108
    
                        IE: Unknown: 2A0104
    
                        IE: Unknown: 32040C183060
    
                        IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
    
                        IE: Unknown: 0B05000057127A
    
                        IE: Unknown: DD07000C4307000000
    
                        IE: Unknown: 0706494520010D10
    
              Cell 03 - Address: 00:90:4B:CA:18:45
    
                        Channel:13
    
                        Frequency:2.472 GHz (Channel 13)
    
                        Quality=36/70  Signal level=-74 dBm  
    
                        Encryption key:on
    
                        ESSID:"AtlasTelecom"
    
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
    
                                  9 Mb/s; 12 Mb/s; 18 Mb/s
    
                        Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
    
                        Mode:Master
    
                        Extra:tsf=00000005ddc8df65
    
                        Extra: Last beacon: 52ms ago
    
                        IE: Unknown: 000C41746C617354656C65636F6D
    
                        IE: Unknown: 010882848B968C129824
    
                        IE: Unknown: 03010D
    
                        IE: Unknown: 0706415420010D14
    
                        IE: Unknown: 2A0100
    
                        IE: Unknown: 3204B048606C
    
                        IE: WPA Version 1
    
                            Group Cipher : TKIP
    
                            Pairwise Ciphers (1) : TKIP
    
                            Authentication Suites (1) : 802.1x
    
                        IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
    
              Cell 04 - Address: 00:1B:FC:3A:DE:2D
    
                        Channel:1
    
                        Frequency:2.412 GHz (Channel 1)
    
                        Quality=26/70  Signal level=-84 dBm  
    
                        Encryption key:off
    
                        ESSID:"Pulse"
    
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
    
                                  24 Mb/s; 36 Mb/s; 54 Mb/s
    
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
    
                        Mode:Master
    
                        Extra:tsf=0000002504a9018e
    
                        Extra: Last beacon: 904ms ago
    
                        IE: Unknown: 00054F63746176
    
                        IE: Unknown: 010882848B962430486C
    
                        IE: Unknown: 030101
    
                        IE: Unknown: 2A0104
    
                        IE: Unknown: 2F0104
    
                        IE: Unknown: 32040C121860
    
                        IE: Unknown: DD090010180201F0000000
    Code:
    lsmod | grep ath
    mese@mesezene:~$ lsmod | grep ath
    
    ath9k                 103633  0 
    
    mac80211              257001  1 ath9k
    
    ath9k_common           13611  1 ath9k
    
    ath9k_hw              300328  2 ath9k,ath9k_common
    
    ath                    19141  2 ath9k,ath9k_hw
    
    cfg80211              156212  3 ath9k,mac80211,ath
    
    mese@mesezene:~$
    Code:
    dmesg | grep ath
    mese@mesezene:~$ dmesg | grep ath
    
    [    0.584088] device-mapper: multipath: version 1.2.0 loaded
    
    [    0.584092] device-mapper: multipath round-robin: version 1.0.0 loaded
    
    [   15.332081] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    
    [   15.332093] ath9k 0000:03:00.0: setting latency timer to 64
    
    [   15.772198] ath: EEPROM regdomain: 0x65
    
    [   15.772201] ath: EEPROM indicates we should expect a direct regpair map
    
    [   15.772204] ath: Country alpha2 being used: 00
    
    [   15.772206] ath: Regpair used: 0x65
    
    [   15.800332] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
    
    [   15.801575] Registered led device: ath9k-phy0::radio
    
    [   15.801649] Registered led device: ath9k-phy0::assoc
    
    [   15.801716] Registered led device: ath9k-phy0::tx
    
    [   15.801786] Registered led device: ath9k-phy0::rx
    
    [  332.748343] ath: Failed to stop TX DMA in 100 msec after killing last frame
    
    [  332.748392] ath: Failed to stop TX DMA!
    
    [  433.728254] ath: Failed to stop TX DMA in 100 msec after killing last frame
    
    [  433.728301] ath: Failed to stop TX DMA!
    
    mese@mesezene:~$
    by clicking on new reply and click # and paste the information between the brackets.
    Thank you
    There. Sorry if I'm not the good with forum quoting. At first, the editor didn't want to let me paste it all at once, said I can't load too many "images"???...

    Hope that helps.

  6. #26
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Seems to be common bug:
    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/736171

    *sigh*...

    Thing of note: After connecting the desktop linux client to the desktop Windows XP host and getting ICS between those2, the linux laptop client is able to connect and ICS as well!
    But disconnect the linux desktop and the linux laptop fails too. Should this even be happening?? What's the connection?

    IPv4 settings on Manual assigned ip-s, gateway etc. If on Automatic, it will always fail to connect...

    ...

    So tired, wasted an entire day trying to fix this and it seems it's a common bug............

  7. #27
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Hi, first we need to do two things:
    Please set your encryption to wpa2 only no wep or mixed mode.

    Then run these commands to see if it helps if so we will need to do one more step to make it permanent.
    Code:
    sudo ifconfig wlan0 down
    sudo rmmod -f ath9k
    sudo modprobe ath9k nohwcrypt=1
    sudo ifconfig wlan0 up
    run the commands one at a time and do not restart your computer.
    Thank you

  8. #28
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Quote Originally Posted by wildmanne39 View Post
    Hi, first we need to do two things:
    Please set your encryption to wpa2 only no wep or mixed mode.

    Then run these commands to see if it helps if so we will need to do one more step to make it permanent.
    Code:
    sudo ifconfig wlan0 down
    sudo rmmod -f ath9k
    sudo modprobe ath9k nohwcrypt=1
    sudo ifconfig wlan0 up
    run the commands one at a time and do not restart your computer.
    Thank you
    Sorry for my little confusion now, but do you mean to set WPA2 in the Linux client or in the Windows host? Cause if it's in the Windows host, we'd better forget this, I intend to travel a bit and people where I'm going may have different sorts of encryption.

  9. #29
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Hi, you can try those commands with out changing the encryption settings but I do not know if it will work, also wpa2 is a lot more secure.
    Thank you

  10. #30
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    Re: Atheros AR9285/Ubuntu 11.04/Lenovo B575 (Wireless Disabled?)

    Quote Originally Posted by wildmanne39 View Post
    Hi, you can try those commands with out changing the encryption settings but I do not know if it will work, also wpa2 is a lot more secure.
    Thank you
    I ran those commands, without changing my Windows host encryption, because that is the point. To be able to connect wirelessly no matter the encryption used, as long as I use the proper password, of course.

    Same thing...

    I would like to know though: is it solvable, is it with the driver? I really want to know what's the cause of it.

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