1: acer-wireless: Wireless LAN Soft blocked: yes -> DISABLED Wireless Network controller [0280]: Intel Corporation Centrino Wireless-N 1000 [8086:0083] not working on Sony VAIO VPCEG15FX in Ubuntu 11.10

The wireless card of my Vaio laptop is not working.

The result of lspci command is

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1d.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5116 PCI Express Card Reader (rev 01)
09:00.0 Ethernet controller: Atheros Communications AR8151 v2.0 Gigabit Ethernet (rev c0)

The result of rfkill list all is

0: sony-wifi: Wireless LAN
 Soft blocked: no
 Hard blocked: no
1: acer-wireless: Wireless LAN
 Soft blocked: yes
 Hard blocked: no
2: phy0: Wireless LAN
 Soft blocked: no
 Hard blocked: no

I also attach the result of the Wireless Troubleshooting Procedure recommended in Ubuntu Documentation

  *-network DISABLED
       description: Wireless interface
       product: Centrino Wireless-N 1000
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlan0
       version: 00
       serial: 8c:a9:82:69:e9:84
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-12-generic firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
       resources: irq:41 memory:d2500000-d2501fff
  *-network
       description: Ethernet interface
       product: AR8151 v2.0 Gigabit Ethernet
       vendor: Atheros Communications
       physical id: 0
       bus info: pci@0000:09:00.0
       logical name: eth0
       version: c0
       serial: 78:84:3c:94:82:ac
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI duplex=full firmware=N/A ip=192.168.1.2 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:44 memory:d1400000-d143ffff ioport:2000(size=128)
0: sony-wifi: Wireless LAN
 Soft blocked: no
 Hard blocked: no
1: acer-wireless: Wireless LAN
 Soft blocked: yes
 Hard blocked: no
2: phy0: Wireless LAN
 Soft blocked: no
 Hard blocked: no
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wlan0 Interface doesn't support scanning : Network is down

auto lo
iface lo inet loopback

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.10
DISTRIB_CODENAME=oneiric
DISTRIB_DESCRIPTION="Ubuntu 11.10"
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
00:1a.0 USB Controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b4)
00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b4)
00:1d.0 USB Controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1000 [8086:0083]
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5116 PCI Express Card Reader [10ec:5209] (rev 01)
09:00.0 Ethernet controller [0200]: Atheros Communications AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 04f2:b290 Chicony Electronics Co., Ltd
H/W path Device Class Description
=============================================================
                                   system VPCEG15FX (N/A)
/0 bus VAIO
/0/0 memory 1MiB BIOS
/0/6 memory 4GiB System Memory
/0/6/0 memory 4GiB SODIMM DDR3 1333 MHz (0,8
/0/6/1 memory SODIMM [empty]
/0/b processor Intel(R) Core(TM) i5-2410M CPU
/0/b/d memory 32KiB L1 cache
/0/b/e memory 256KiB L2 cache
/0/b/f memory 3MiB L3 cache
/0/c memory 32KiB L1 cache
/0/100 bridge 2nd Generation Core Processor
/0/100/2 display 2nd Generation Core Processor
/0/100/16 communication 6 Series/C200 Series Chipset F
/0/100/1a bus 6 Series/C200 Series Chipset F
/0/100/1b multimedia 6 Series/C200 Series Chipset F
/0/100/1c bridge 6 Series/C200 Series Chipset F
/0/100/1c/0 wlan0 network Centrino Wireless-N 1000
/0/100/1c.1 bridge 6 Series/C200 Series Chipset F
/0/100/1c.1/0 scsi6 generic RTS5116 PCI Express Card Reade
/0/100/1c.1/0/0.0.0 /dev/sdb disk SCSI Disk
/0/100/1c.1/0/0.0.1 /dev/sdc disk MemoryStick
/0/100/1c.1/0/0.0.1/0 /dev/sdc disk
/0/100/1c.3 bridge 6 Series/C200 Series Chipset F
/0/100/1c.3/0 eth0 network AR8151 v2.0 Gigabit Ethernet
/0/100/1d bus 6 Series/C200 Series Chipset F
/0/100/1f bridge HM65 Express Chipset Family LP
/0/100/1f.2 scsi0 storage 6 Series/C200 Series Chipset F
/0/100/1f.2/0 /dev/sda disk 640GB SAMSUNG HM641JI
/0/100/1f.2/0/1 /dev/sda1 volume 10GiB Windows NTFS volume
/0/100/1f.2/0/2 /dev/sda2 volume 100MiB Windows NTFS volume
/0/100/1f.2/0/3 /dev/sda3 volume 560GiB Windows NTFS volume
/0/100/1f.2/0/4 /dev/sda4 volume 25GiB Extended partition
/0/100/1f.2/0/4/5 /dev/sda5 volume 1952MiB Linux swap / Solaris p
/0/100/1f.2/0/4/6 /dev/sda6 volume 23GiB Linux filesystem partiti
/0/100/1f.2/1 /dev/cdrom disk CDDVDW TS-L633C
/0/100/1f.3 bus 6 Series/C200 Series Chipset F
Linux netolana-VPCEG15FX 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
[ 0.000000] No AGP bridge found
[ 0.000000] found SMP MP-table at [ffff8800000fe1b0] fe1b0
[ 0.000000] No NUMA configuration found
[ 0.000000] No AGP bridge found
[ 0.571952] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.657477] ACPI: No dock devices found.
[ 0.657478] HEST: Table not found.
[ 0.666918] usbcore: registered new interface driver usbfs
[ 0.666925] usbcore: registered new interface driver hub
[ 0.666951] usbcore: registered new device driver usb
[ 0.676070] Switching to clocksource hpet
[ 0.679804] Switched to NOHz mode on CPU #0
[ 0.679863] Switched to NOHz mode on CPU #3
[ 0.679868] Switched to NOHz mode on CPU #1
[ 0.679901] Switched to NOHz mode on CPU #2
[ 0.681659] pnp: PnP ACPI: found 5 devices
[ 0.720167] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.828282] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0
[ 0.828308] ACPI: Lid Switch [LID0]
[ 0.830312] ERST: Table is not found!
[ 1.004077] hub 1-0:1.0: USB hub found
[ 1.024056] hub 2-0:1.0: USB hub found
[ 1.039507] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 1.315864] usb 1-1: new high speed USB device number 2 using ehci_hcd
[ 1.448407] hub 1-1:1.0: USB hub found
[ 1.559732] usb 2-1: new high speed USB device number 2 using ehci_hcd
[ 1.692262] hub 2-1:1.0: USB hub found
[ 1.719609] Switching to clocksource tsc
[ 1.763747] usb 1-1.2: new high speed USB device number 3 using ehci_hcd
[ 16.525787] lp: driver loaded but no devices found
[ 16.584379] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:
[ 16.584385] iwlagn: Copyright(c) 2003-2011 Intel Corporation
[ 16.585601] iwlagn 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 16.585616] iwlagn 0000:02:00.0: setting latency timer to 64
[ 16.585846] iwlagn 0000:02:00.0: Detected Intel(R) Centrino(R) Wireless-N 1000 BGN, REV=0x6C
[ 16.607315] iwlagn 0000:02:00.0: device EEPROM VER=0x15d, CALIB=0x6
[ 16.607319] iwlagn 0000:02:00.0: Device SKU: 0X9
[ 16.607321] iwlagn 0000:02:00.0: Valid Tx ant: 0X1, Valid Rx ant: 0X3
[ 16.608127] iwlagn 0000:02:00.0: Tunable channels: 13 802.11bg, 0 802.11a channels
[ 16.608225] iwlagn 0000:02:00.0: irq 41 for MSI/MSI-X
[ 16.690849] uvcvideo: Found UVC 1.00 device Sony Visual Communication Camera (04f2:b290)
[ 16.700887] input: Sony Visual Communication Camer as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input6
[ 16.700952] usbcore: registered new interface driver uvcvideo
[ 16.702242] iwlagn 0000:02:00.0: loaded firmware version 39.31.5.1 build 35138
[ 16.705533] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 17.193238] hda_codec: CX20590: BIOS auto-probing.
[ 17.198632] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 17.491457] Console: switching to colour frame buffer device 170x48
[ 17.581847] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 17.588792] atl1c 0000:09:00.0: atl1c: eth0 NIC Link is Up<100 Mbps Full Duplex>
[ 28.465844] eth0: no IPv6 routers present
[ 38.265243] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 38.361018] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 340.179477] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1169.294980] iwlagn 0000:02:00.0: RF_KILL bit toggled to disable radio.
[ 1177.347630] iwlagn 0000:02:00.0: RF_KILL bit toggled to enable radio.
 Release Date: 01/06/2012
 Manufacturer: Sony Corporation
 Product Name: VPCEG15FX
 Serial Number: 27544933-3001166
 Manufacturer: Sony Corporation
 Product Name: VAIO
 Serial Number: N/A
 Manufacturer: Sony Corporation
 Serial Number: N/A
 Manufacturer: Kingston
 Serial Number: 8C04260F
 Manufacturer: Not Specified
 Serial Number: Not Specified
 Manufacturer: Intel(R) Corporation
 Serial Number: N/A
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:off

install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
# which ath5k cannot recover. To prevent this condition, stop
blacklist ath_pci
blacklist eth1394
# replaced by p54pci
blacklist prism54
# replaced by b43 and ssb.
blacklist bcm43xx
blacklist uart6850
blacklist twl4030_wdt
options iwlagn 11n_disable50=0 11n_disable=0

[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
> hal.1: read hal dataprocess 2514: arguments to dbus_move_error() were incorrect, assertion "(dest) == NULL || !dbus_error_is_set ((dest))" failed in file ../../dbus/dbus-errors.c line 280.
This is normally a bug in some application using the D-Bus library.
libhal.c 3483 : Error unsubscribing to signals, error=The name org.freedesktop.Hal was not provided by any .service files
20: PCI 200.0: 0282 WLAN controller
  [Created at pci.318]
  Unique ID: y9sn.dTZhla03AE1
  Parent ID: z8Q3.BIRzRHILTZ8
  SysFS ID: /devices/pci0000:00/0000:00:1c.0/0000:02:00.0
  SysFS BusID: 0000:02:00.0
  Hardware Class: network
  Model: "Intel WLAN controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x0083
  SubVendor: pci 0x8086 "Intel Corporation"
  SubDevice: pci 0x1305
  Driver: "iwlagn"
  Driver Modules: "iwlagn"
  Device File: wlan0
  Features: WLAN
  Memory Range: 0xd2500000-0xd2501fff (rw,non-prefetchable)
  IRQ: 41 (216 events)
  HW Address: 8c:a9:82:69:e9:84
  Link detected: no
  WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13
  WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472
  WLAN encryption modes: WEP40 WEP104 TKIP CCMP
  WLAN authentication modes: open sharedkey wpa-psk wpa-eap
  Module Alias: "pci:v00008086d00000083sv00008086sd00001305bc02sc80i00"
  Driver Info #0:
    Driver Status: iwlagn is active
    Driver Activation Cmd: "modprobe iwlagn"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #13 (PCI bridge)

22: PCI 900.0: 0200 Ethernet controller
  [Created at pci.318]
  Unique ID: rBUF.w6XLTcKW383
  Parent ID: Z7uZ.Hn5TKi+ZdsA
  SysFS ID: /devices/pci0000:00/0000:00:1c.3/0000:09:00.0
  SysFS BusID: 0000:09:00.0
  Hardware Class: network
  Model: "Attansic Ethernet controller"
  Vendor: pci 0x1969 "Attansic Technology Corp."
  Device: pci 0x1083
  SubVendor: pci 0x104d "Sony Corporation"
  SubDevice: pci 0x908a
  Revision: 0xc0
  Driver: "atl1c"
  Driver Modules: "atl1c"
  Device File: eth0
  Memory Range: 0xd1400000-0xd143ffff (rw,non-prefetchable)
  I/O Ports: 0x2000-0x2fff (rw)
  IRQ: 44 (30770 events)
  HW Address: 78:84:3c:94:82:ac
  Link detected: yes
  Module Alias: "pci:v00001969d00001083sv0000104Dsd0000908Abc02sc00i00"
  Driver Info #0:
    Driver Status: atl1c is active
    Driver Activation Cmd: "modprobe atl1c"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #15 (PCI bridge)
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
root 824 0.0 0.1 236276 5192 ? Ssl 08:45 0:00 NetworkManager
root 895 0.0 0.0 30944 2704 ? S 08:45 0:00 /sbin/wpa_supplicant -u -s -O /var/run/wpa_supplicant
root 913 0.0 0.0 7128 1548 ? S 08:45 0:00 /sbin/dhclient -d -4 -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /var/run/dhclient-eth0.pid -lf /var/lib/dhcp/dhclient-376b0a99-5837-4fa7-bba2-ffa6a7f90e4b-eth0.lease -cf /var/run/nm-dhclient-eth0.conf eth0
netolana 2528 0.0 0.0 13468 880 pts/0 S+ 09:10 0:00 egrep --color=auto wpa|icd|etwork
Module Size Used by
rfcomm 47946 0
bnep 18436 2
bluetooth 166112 10 rfcomm,bnep
parport_pc 36962 0
ppdev 17113 0
binfmt_misc 17540 1
joydev 17693 0
snd_hda_codec_hdmi 32040 1
snd_hda_codec_conexant 62197 1
arc4 12529 2
uvcvideo 72711 0
videodev 93004 1 uvcvideo
v4l2_compat_ioctl32 17083 1 videodev
acer_wmi 23948 0
sparse_keymap 13890 1 acer_wmi
i915 566711 3
drm_kms_helper 42558 1 i915
drm 236330 4 i915,drm_kms_helper
i2c_algo_bit 13423 1 i915
snd_hda_intel 33390 2
snd_hda_codec 104802 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
snd_hwdep 13668 1 snd_hda_codec
snd_pcm 96755 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13324 0
snd_rawmidi 30547 1 snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
snd_timer 29991 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
iwlagn 314213 0
snd 68266 14 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
sony_laptop 45393 0
mac80211 310872 1 iwlagn
wmi 19256 1 acer_wmi
video 19412 1 i915
psmouse 73882 0
serio_raw 13166 0
cfg80211 199587 2 iwlagn,mac80211
soundcore 12680 1 snd
rts_pstor 445246 0
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
mei 41480 0
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
ahci 26002 3
libahci 26861 1 ahci
atl1c 41643 0

Will be thankful for your help