Acer notebook WiFi

[Μελέτης Καραμπίνης]

I recoment to do a clear instalation with an LTS release. I don't think you
are face any problem.

2012/3/27 wcj9996 <wcj9996 at frontier.com>

> Hello:
>
> Several days ago I bought an Acer Aspire One 722-0825 Laptop.  It all
> works very well with Windows 7 Home Premium, including the WiFi.  I
> installed Ubuntu 11.10  X64 with the wired connection to my router
> connected to simplify installation and update installation.  When I
> activated the WiFi the computer froze.  No cursor movement and no
> control-alt-backspace  reaction.  I powered down, disconnected the wired
> network connection and re-booted.  As soon as the desktop came up it froze
> again.  I have tried Mint 12 X64 live boot with the same result.
>
> It appears to me that it loads the driver and logs into the router as
> expected but as soon as it attempts to access the Local Area Net it crashes
> hard.
>
> The network chips identified by lspci:
>
> walt at tiger:~$ lspci | grep Ath
> 06:00.0 Ethernet controller: Atheros Communications AR8152 v2.0 Fast
> Ethernet (rev c1)
> 07:00.0 Network controller: Atheros Communications Inc. AR9485 Wireless
> Network Adapter (rev 01)
>
> The drivers:
>
> walt at tiger:~$ lsmod | grep ath
> ath9k                 127538  0
> mac80211              462046  1 ath9k
> ath9k_common           13839  1 ath9k
> ath9k_hw              312914  2 ath9k,ath9k_common
> ath                    24067  2 ath9k,ath9k_hw
> cfg80211              199630  3 ath9k,mac80211,ath
>
>
> The last few lines of dmesg:
>
> 26.409283] init: plymouth-stop pre-start process (1330) terminated with
> status 1
> [   26.598890] wlan0: authenticate with 00:23:69:c5:8a:8d (try 1)
> [   26.603190] wlan0: authenticated
> [   26.623088] wlan0: associate with 00:23:69:c5:8a:8d (try 1)
> [   26.631556] wlan0: RX AssocResp from 00:23:69:c5:8a:8d (capab=0x411
> status=0 aid=1)
> [   26.631568] wlan0: associated
> [   26.638439] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [   29.174033] EXT4-fs (sda6): re-mounted. Opts:
> errors=remount-ro,commit=600
> [   32.192211] eth0: no IPv6 routers present
> [   37.248274] wlan0: no IPv6 routers present
>
>
> Iwconfig results:
>
> tiger:~$ iwconfig
> lo        no wireless extensions.
>
> eth0      no wireless extensions.
>
> wlan0     IEEE 802.11bgn  ESSID:"walnut"
>          Mode:Managed  Frequency:2.462 GHz  Access Point: 00:23:69:C5:8A:8D
>          Bit Rate=72.2 Mb/s   Tx-Power=16 dBm
>          Retry  long limit:7   RTS thr:off   Fragment thr:off
>          Power Management:on
>          Link Quality=67/70  Signal level=-43 dBm
>          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>          Tx excessive retries:0  Invalid misc:56   Missed beacon:0
>
> I haven't been able to find any help on Google.  WiFi while traveling is
> the reason I bout this machine.
>
> Thanks for your help.
>
>  Walt
>
> --
> -----  walt  wcj9996 at frontier.com -----
>
>
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