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#1 Le 11/11/2011, à 14:11
- Compte anonymisé
Plus de wifi (resolu)
Bonjour,
J'ai un souci avec ma wifi, je peux plus me conecter en wifi, je
peux meme plus configurer le reseau wifi ou en ajouter un 
Que faire?
Merci.
Dernière modification par Compte anonymisé (Le 19/11/2011, à 03:56)
#2 Le 11/11/2011, à 14:43
- bahoui
Re : Plus de wifi (resolu)
bonjour,
Comment s'est manifesté le problème? Après une manip, une mise à jour, etc.?
http://forum.ubuntu-fr.org/viewtopic.php?id=141183 on attend le retour des commandes
Mettez [résolu] dans le titre quand le problème est réglé (cliquez sur "modifier" dans votre 1er message).
Hors ligne
#3 Le 15/11/2011, à 13:20
- Compte anonymisé
Re : Plus de wifi (resolu)
Non ca c'est passe apres aucune manip particuliere...
Bon alors c'est bon j'ai reussi a recuperer la wifi, mais elle fonctionne mal
C'est a dire qu'elle reste connecte que quelques minutes apres je dois redemarrer.
le resultat des commandes:
gaetan@gaetan-laptop:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.04
DISTRIB_CODENAME=lucid
DISTRIB_DESCRIPTION="Ubuntu 10.04 LTS"
gaetan@gaetan-laptop:~$ lsusb
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 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
gaetan@gaetan-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 01)
00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc M52 [Mobility Radeon X1300]
03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller
03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
03:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 0a)
03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 05)
03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev ff)
0b:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
gaetan@gaetan-laptop:~$ lspci -nn | grep -i net
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
0b:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
gaetan@gaetan-laptop:~$ sudo lshw -C network
*-network
description: Wireless interface
product: PRO/Wireless 3945ABG [Golan] Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:0b:00.0
logical name: wlan0
version: 02
serial: 00:18:de:0d:e8:cc
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwl3945 ip=192.168.1.10 latency=0 multicast=yes wireless=IEEE 802.11abg
resources: irq:28 memory:efcff000-efcfffff
*-network
description: Ethernet interface
product: BCM4401-B0 100Base-TX
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 02
serial: 00:15:c5:b4:9b:07
size: 10MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=b44 driverversion=2.0 duplex=half latency=64 link=no multicast=yes port=twisted pair speed=10MB/s
resources: irq:17 memory:ef9fe000-ef9fffff
gaetan@gaetan-laptop:~$ lsmod
Module Size Used by
aes_i586 7268 1
aes_generic 26863 1 aes_i586
binfmt_misc 6587 1
ppdev 5259 0
fbcon 35102 71
tileblit 2031 1 fbcon
font 7557 1 fbcon
bitblit 4707 1 fbcon
softcursor 1189 1 bitblit
vga16fb 11385 0
vgastate 8961 1 vga16fb
snd_hda_codec_idt 51914 1
snd_hda_intel 21877 2
snd_hda_codec 74201 2 snd_hda_codec_idt,snd_hda_intel
snd_hwdep 5412 1 snd_hda_codec
snd_pcm_oss 35308 0
snd_mixer_oss 13746 1 snd_pcm_oss
joydev 8708 0
snd_pcm 70662 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 1338 0
arc4 1153 2
snd_seq_oss 26726 0
snd_seq_midi 4557 0
snd_rawmidi 19056 1 snd_seq_midi
snd_seq_midi_event 6003 2 snd_seq_oss,snd_seq_midi
snd_seq 47263 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 19098 2 snd_pcm,snd_seq
snd_seq_device 5700 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
dell_wmi 1793 0
iwl3945 68727 0
radeon 674135 3
ttm 49943 1 radeon
dell_laptop 6856 0
drm_kms_helper 29297 1 radeon
iwlcore 105922 1 iwl3945
mac80211 204922 2 iwl3945,iwlcore
intel_agp 24177 0
snd 54148 16 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
dcdbas 5422 1 dell_laptop
sdhci_pci 5470 0
sdhci 15462 1 sdhci_pci
led_class 2864 3 iwl3945,iwlcore,sdhci
drm 162471 5 radeon,ttm,drm_kms_helper
i2c_algo_bit 5028 1 radeon
ricoh_mmc 2923 0
cfg80211 126485 3 iwl3945,iwlcore,mac80211
psmouse 63245 0
serio_raw 3978 0
video 17375 0
output 1871 1 video
agpgart 31724 3 ttm,intel_agp,drm
soundcore 6620 1 snd
snd_page_alloc 7076 2 snd_hda_intel,snd_pcm
lp 7028 0
parport 32635 2 ppdev,lp
ohci1394 26950 0
b44 25542 0
ssb 37336 1 b44
mii 4381 1 b44
ieee1394 81181 1 ohci1394
gaetan@gaetan-laptop:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11abg ESSID:"Livebox-4ebd"
Mode:Managed Frequency:2.437 GHz Access Point: 5C:33:8E:BD:E8:7B
Bit Rate=54 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=62/70 Signal level=-48 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
gaetan@gaetan-laptop:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:15:c5:b4:9b:07
UP BROADCAST RUNNING 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:17
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:8 erreurs:0 :0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:480 (480.0 B) Octets transmis:480 (480.0 B)
wlan0 Link encap:Ethernet HWaddr 00:18:de:0d:e8:cc
inet adr:192.168.1.10 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::218:deff:fe0d:e8cc/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:473 erreurs:0 :0 overruns:0 frame:0
TX packets:418 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:130077 (130.0 KB) Octets transmis:69641 (69.6 KB)
gaetan@gaetan-laptop:~$ sudo iwlist scan
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
unwlan0 Scan completed :
Cell 01 - Address: 5C:33:8E:BD:E8:7B
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=63/70 Signal level=-47 dBm
Encryption key:on
ESSID:"Livebox-4ebd"
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=000001619f7f3a32
Extra: Last beacon: 12ms ago
IE: Unknown: 000C4C697665626F782D34656264
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101830002A4400027A4000042435E0062322F00
IE: Unknown: 2D1A4C101B0000000000000000000000000000000000000000000000
IE: Unknown: 3D1606001B00000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010020000000
IE: Unknown: 0706465220010D14
IE: Unknown: DD880050F204104A000110104400010210570001001041000100103B0001031047001090013BD54EBD90013BD54EBD3BD54EBD10210005536167656D102300084C697665626F7832102400084C697665626F78321042000A4C4B31313231334450331054000800060050F20400011011000D4C697665626F78322D34454244100800020086103C000101
Cell 02 - Address: 8E:EE:BA:81:9F:36
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=28/70 Signal level=-82 dBm
Encryption key:off
ESSID:"FreeWifi"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000001d1b6f68ce0
Extra: Last beacon: 3404ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010482848B96
IE: Unknown: 03010B
IE: Unknown: 05040001000A
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
Cell 03 - Address: 8E:EE:BA:81:9F:37
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=29/70 Signal level=-81 dBm
Encryption key:on
ESSID:"freephonie"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000001d1b6f69164
Extra: Last beacon: 3404ms ago
IE: Unknown: 000A6672656570686F6E6965
IE: Unknown: 010482848B96
IE: Unknown: 03010B
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 050400010000
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
gaetan@gaetan-laptop:~$ uname -r -m
2.6.32-21-generic i686
gaetan@gaetan-laptop:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
gaetan@gaetan-laptop:~$ nm-tool
NetworkManager Tool
State: connected
- Device: wlan0 [Auto Livebox-4ebd] -------------------------------------------
Type: 802.11 WiFi
Driver: iwl3945
State: connected
Default: yes
HW Address: 00:18:DE:0D:E8:CC
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
FreeWifi: Infra, 00:24:D4:C9:EE:21, Freq 2442 MHz, Rate 54 Mb/s, Strength 30
NUMERICABLE-B442:Infra, 00:1E:8C:BC:F4:3E, Freq 2437 MHz, Rate 54 Mb/s, Strength 35 WEP
NUMERICABLE-B984:Infra, 00:1A:2B:19:E1:EE, Freq 2437 MHz, Rate 54 Mb/s, Strength 41 WEP
*Livebox-4ebd: Infra, 5C:33:8E:BD:E8:7B, Freq 2437 MHz, Rate 54 Mb/s, Strength 74 WPA WPA2
SFR WiFi Public: Infra, A2:25:15:9F:9C:81, Freq 2462 MHz, Rate 54 Mb/s, Strength 32
FreeWifi: Infra, 8E:EE:BA:81:9F:36, Freq 2462 MHz, Rate 54 Mb/s, Strength 40
NUMERICABLE-2EA6:Infra, 00:1E:2A:5F:FF:A3, Freq 2412 MHz, Rate 54 Mb/s, Strength 37 WEP
DartyBox_BCC9_WEP: Infra, 06:1D:19:F6:B6:E8, Freq 2412 MHz, Rate 54 Mb/s, Strength 48 WEP
William2011: Infra, 00:24:D4:C9:EE:20, Freq 2442 MHz, Rate 54 Mb/s, Strength 32 WPA
olivier: Infra, 8E:EE:BA:81:9F:34, Freq 2462 MHz, Rate 54 Mb/s, Strength 41 WPA
freephonie: Infra, 8E:EE:BA:81:9F:37, Freq 2462 MHz, Rate 54 Mb/s, Strength 41 WPA Enterprise
DartyBox_BCC9: Infra, 00:1D:19:F6:B6:E8, Freq 2412 MHz, Rate 54 Mb/s, Strength 54 WPA WPA2
IPv4 Settings:
Address: 192.168.1.10
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: b44
State: unavailable
Default: no
HW Address: 00:15:C5:B4:9B:07
Capabilities:
Carrier Detect: yes
Speed: 10 Mb/s
Wired Properties
Carrier: off
gaetan@gaetan-laptop:~$ Dernière modification par Compte anonymisé (Le 15/11/2011, à 13:21)
#4 Le 15/11/2011, à 13:27
- chibbata
Re : Plus de wifi (resolu)
salut
sudo rmmod -f iwl3945sudo modprobe iwl3945 disable_hw_scan=1si ça marche et pour rendre la manip permanente
gksudo gedit /etc/modprobe.d/iwl3945.confune page blanche s'ouvres,ajoutes
options iwl3945 disable_hw_scan=1
enregistres le fichier et quittes gedit
Hors ligne
#5 Le 15/11/2011, à 14:20
- Compte anonymisé
Re : Plus de wifi (resolu)
Voila c'est fait.
Ca a l'air de bien marche maintenant.
Merci beaucoup 
Pages : 1