Atheros AR9285 on Ubuntu 11.10 Sony Vaio VPCEH - wifi does't works

[Dixon Xavier]

I am unable to use wireless network and Bluetooth on my laptop..
Before in Ubuntu 11.04 is worked fine, but after a fresh install of Ubuntu
11.10 it doesn't works..

I posted same in ubuntuforums, yet resolved..
http://ubuntuforums.org/showthread.php?t=1867214

1) Machine Brand and Model (PC/Laptop):
 Code:

SONY VAIO VPCEH15EN

2 ) Wireless Brand, Model and Wireless Chipset:
 Code:

dixon at dixon-vaio:~$ lspci -nn|grep "Atheros"
07:00.0 Network controller [0280]: Atheros Communications Inc. AR9285
Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)

3 ) Checking interface:
 Code:

dixon at dixon-vaio:~$ ifconfig wlan0
wlan0     Link encap:Ethernet  HWaddr 90:00:4e:d2:24:5d
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

dixon at dixon-vaio:~$ iwconfig wlan0
wlan0     IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=15 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off

4 ) Checking for modules:
 Code:

dixon at dixon-vaio:~$ lsmod | grep "ath9k"
ath9k                 127538  0
mac80211              310872  1 ath9k
ath9k_common           13839  1 ath9k
ath9k_hw              312866  2 ath9k,ath9k_common
ath                    24067  2 ath9k,ath9k_hw
cfg80211              199587  3 ath9k,mac80211,ath

5 ) Kernel boot messages
 Code:

dixon at dixon-vaio:~$ dmesg|grep "ath9k"
[    9.541422] ath9k 0000:07:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[    9.541439] ath9k 0000:07:00.0: setting latency timer to 64
[    9.619352] ieee80211 phy0: Selected rate control algorithm
'ath9k_rate_control'
[    9.619965] Registered led device: ath9k-phy0

6 ) Network configuration
 Code:

dixon at dixon-vaio:~$ sudo lshw -C network
  *-network
       description: Wireless interface
       product: AR9285 Wireless Network Adapter (PCI-Express)
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci at 0000:07:00.0
       logical name: wlan0
       version: 01
       serial: 90:00:4e:d2:24:5d
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
       configuration: broadcast=yes driver=ath9k
driverversion=3.0.0-12-generic firmware=N/A latency=0 link=no
multicast=yes wireless=IEEE 802.11bgn
       resources: irq:16 memory:92500000-9250ffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168B PCI Express Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci at 0000:13:00.0
       logical name: eth0
       version: 06
       serial: 78:84:3c:e5:2c:e8
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list
ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd
autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169
driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8168e-2.fw
latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:40 ioport:2000(size=256)
memory:91404000-91404fff memory:91400000-91403fff

7 ) Scan for networks:
 Code:

dixon at dixon-vaio:~$ iwlist wlan0 scan
wlan0     No scan results

8 ) Ubuntu Version:
 Code:

dixon at dixon-vaio:~$ lsb_release -d
Description:    Ubuntu 11.10

9 ) Kernel/architecture:
 Code:

dixon at dixon-vaio:~$ uname -mr
3.0.0-12-generic x86_64

10 ) Restarting the network:
 Code:

dixon at dixon-vaio:~$ sudo /etc/init.d/networking restart
 * Running /etc/init.d/networking restart is deprecated because it may
not enable again some interfaces
 * Reconfiguring network interfaces...

 [ OK ]

11) rfkill list:
 Code:

dixon at dixon-vaio:~$ rfkill list
0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: sony-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no
3: sony-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
4: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

Any additional informations needed ?
Thanks in advance...

-- 
. : D i X O N : .
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