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Super Pigeon

Problème activation wifi sur Acer Aspire One

Bonjour,
J'ai tenté l'installation d'un JoliCloud (basé sur ubuntu) sur un Acer Aspire One.
En fait, j'ai deux de ces machines, et sur l'une le wifi fonctionne mais pas sur l'autre.
Le gestionnaire de réseau utilisé est NetworkManager

Mes infos :
cat /etc/lsb-release

DISTRIB_ID=Jolicloud
DISTRIB_RELEASE=alpha
DISTRIB_CODENAME=robby
DISTRIB_DESCRIPTION="Jolicloud robby"

lsusb

Bus 005 Device 002: ID 064e:d101 Suyin Corp.
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

lspci

00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
03:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01)

sudo lshw -C network

*-network               
       description: Ethernet interface
       product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 02
       serial: 00:1e:68:97:b4:f3
       size: 10MB/s
       capacity: 100MB/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 autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no module=r8169 multicast=yes port=MII speed=10MB/s
  *-network
       description: Wireless interface
       product: AR242x 802.11abg Wireless PCI Express Adapter
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wmaster0
       version: 01
       serial: 00:22:68:90:58:9d
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list logical ethernet physical wireless
       configuration: broadcast=yes driver=ath5k latency=0 module=ath5k multicast=yes wireless=IEEE 802.11bg
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: pan0
       serial: 6a:e6:63:54:2c:d5
       capabilities: ethernet physical
       configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes

lsmod

Module                  Size  Used by
nls_iso8859_1           3644  1 
nls_cp437               5304  1 
vfat                    8636  1 
fat                    40936  1 vfat
usb_storage            32484  1 
i915                  149864  3 
drm                   139060  4 i915
i2c_algo_bit            5024  1 i915
binfmt_misc             7124  1 
ppdev                   6416  0 
rfkill_input            5300  0 
bridge                 42416  0 
stp                     2116  1 bridge
llc                     5588  2 bridge,stp
bnep                   14588  2 
joydev                  8804  0 
lp                      8064  0 
parport                31480  2 ppdev,lp
snd_hda_codec_realtek   180780  1 
snd_hda_intel          23344  3 
snd_hda_codec          59632  2 snd_hda_codec_realtek,snd_hda_intel
arc4                    1560  2 
snd_pcm_oss            32984  0 
snd_mixer_oss          12676  1 snd_pcm_oss
ecb                     2384  2 
snd_pcm                63848  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy           2436  0 
snd_seq_oss            23548  0 
snd_seq_midi            5748  0 
snd_rawmidi            19160  1 snd_seq_midi
snd_seq_midi_event      6288  2 snd_seq_oss,snd_seq_midi
acer_wmi               15168  0 
ath5k                 105668  0 
snd_seq                43124  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
mac80211              181472  1 ath5k
led_class               3868  2 acer_wmi,ath5k
snd_timer              18200  2 snd_pcm,snd_seq
iTCO_wdt               10084  0 
iTCO_vendor_support     3196  1 iTCO_wdt
snd_seq_device          6196  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
psmouse                51180  0 
serio_raw               4652  0 
uvcvideo               49996  0 
videodev               31044  1 uvcvideo
v4l1_compat            11684  2 uvcvideo,videodev
pcspkr                  2108  0 
cfg80211               54736  2 ath5k,mac80211
snd                    50896  17 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
intel_agp              23112  1 
soundcore               6252  1 snd
snd_page_alloc          8200  2 snd_hda_intel,snd_pcm
agpgart                31360  3 drm,intel_agp
video                  18636  1 i915
output                  2616  1 video
ata_piix               22236  2 
r8169                  28064  0 
mii                     4692  1 r8169
ehci_hcd               41664  0 
uhci_hcd               21780  0 
fuse                   47824  3

iwconfig

lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:""  
          Mode:Managed  Frequency:2.462 GHz  Access Point: Not-Associated   
          Tx-Power=27 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

pan0      no wireless extensions.

ifconfig

eth0      Link encap:Ethernet  HWaddr 00:1e:68:97:b4:f3  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
          Interruption:28 Adresse de base:0xc000 

lo        Link encap:Boucle locale  
          inet adr:127.0.0.1  Masque:255.0.0.0
          adr inet6: ::1/128 Scope:Hôte
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          Packets reçus:148 erreurs:0 :0 overruns:0 frame:0
          TX packets:148 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0 
          Octets reçus:11688 (11.6 KB) Octets transmis:11688 (11.6 KB)

wlan0     Link encap:Ethernet  HWaddr 00:22:68:90:58:9d  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:0 (0.0 B) Octets transmis:576 (576.0 B)

wmaster0  Link encap:UNSPEC  HWaddr 00-22-68-90-58-9D-00-00-00-00-00-00-00-00-00-00  
          UP RUNNING  MTU:0  Metric:1
          Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)

sudo iwlist scan

lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

wmaster0  Interface doesn't support scanning.

wlan0     Scan completed :
          Cell 01 - Address: 00:17:33:4B:DA:3D
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=56/70  Signal level=-54 dBm  
                    Encryption key:on
                    ESSID:"NEUF_DA3C"
                    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=0000000247c9b376
                    Extra: Last beacon: 260ms ago
                    IE: Unknown: 00094E4555465F44413343
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180202F0000000
          Cell 02 - Address: 00:17:33:4B:DA:44
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=56/70  Signal level=-54 dBm  
                    Encryption key:off
                    ESSID:"Neuf WiFi"
                    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=0000000247ca0009
                    Extra: Last beacon: 240ms ago
                    IE: Unknown: 00094E6575662057694669
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180202F0000000

pan0      Interface doesn't support scanning.

cat /etc/network/interfaces

auto lo
iface lo inet loopback

nm-tool

NetworkManager Tool

State: disconnected

- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             unavailable
  Default:           no
  HW Address:        00:1E:68:97:B4:F3

  Capabilities:
    Carrier Detect:  yes
    Speed:           10 Mb/s

  Wired Properties
    Carrier:         off


- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            ath5k
  State:             unavailable
  Default:           no
  HW Address:        00:22:68:90:58:9D

  Capabilities:

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points

uname -r -m

2.6.30-4-jolicloud i686

Merci d'avance !

PS: Je suis un gros noob de linux, mais un gros noob qui n'en veut