Forum Ubuntu-fr.org / problèmes connexion wifi

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Thu, 13 Dec 2012 17:21:21 +0000

Bonjour,

nouveau problème!!

pour installer la version 12.04, il faut apparemment créer un cd ou USB de démarrage et... on me demande un mot dE passe que je ne connais pas!!

au secours......

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Fri, 07 Dec 2012 23:16:30 +0000

arf encore raté...passe sur la 12.04 tu évitera tous ces problemes

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Fri, 07 Dec 2012 19:48:43 +0000

et voilà:

nouvalinux@nouvalinux-desktop:~$ lsmod
Module Size Used by
nls_utf8 1069 1
isofs 29250 1
binfmt_misc 6587 1
snd_hda_codec_realtek 203472 1
snd_hda_codec_atihdmi 2367 1
snd_hda_intel 22069 0
arc4 1153 2
snd_hda_codec 74297 3 snd_hda_codec_realtek,snd_hda_codec_atihdmi,snd_hda_intel
snd_hwdep 5412 1 snd_hda_codec
snd_pcm_oss 35308 0
snd_mixer_oss 13746 1 snd_pcm_oss
snd_pcm 70694 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 1338 0
snd_seq_oss 26722 0
rt2800usb 31531 0
rt2x00usb 9639 1 rt2800usb
snd_seq_midi 4557 0
rt2x00lib 27573 2 rt2800usb,rt2x00usb
snd_rawmidi 19056 1 snd_seq_midi
snd_seq_midi_event 6003 2 snd_seq_oss,snd_seq_midi
led_class 2864 1 rt2x00lib
snd_seq 47263 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 19130 2 snd_pcm,snd_seq
snd_seq_device 5700 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
mac80211 205434 2 rt2x00usb,rt2x00lib
ppdev 5259 0
snd 54244 12 snd_hda_codec_realtek,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
parport_pc 25962 1
cfg80211 126528 2 rt2x00lib,mac80211
lp 7028 0
soundcore 6620 1 snd
crc_ccitt 1339 1 rt2800usb
snd_page_alloc 7076 2 snd_hda_intel,snd_pcm
i2c_piix4 8335 0
parport 32635 3 ppdev,parport_pc,lp
usbhid 36110 0
hid 67288 1 usbhid
fbcon 35102 71
tileblit 1999 1 fbcon
font 7557 1 fbcon
bitblit 4707 1 fbcon
softcursor 1189 1 bitblit
pata_atiixp 3148 0
ahci 32680 2
r8169 34140 0
mii 4381 1 r8169
vga16fb 11385 1
vgastate 8961 1 vga16fb
nouvalinux@nouvalinux-desktop:~$ ls /etc/modprobe.d/
alsa-base.conf blacklist-framebuffer.conf fglrx.conf
blacklist-ath_pci.conf blacklist-modem.conf libpisock9.conf
blacklist.conf blacklist-oss.conf
blacklist-firewire.conf blacklist-watchdog.conf
nouvalinux@nouvalinux-desktop:~$ cat /etc/modprobe.d/blacklist #si une erreur ici c'est pas grave ..

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Fri, 07 Dec 2012 19:00:25 +0000

oui, bidouiller, mais c'est mieux de dire ce que l'on a fait (la commande history peut aider :-) )
redonne le retour du

lsmod
ls /etc/modprobe.d/
cat /etc/modprobe.d/blacklist #si une erreur ici c'est pas grave ...

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Fri, 07 Dec 2012 17:51:09 +0000

le module B 43, je ne sais pas!!

j'ai essayé de "bricoler" avant de demander!!!

voilà le resultat du scanning

nouvalinux@nouvalinux-desktop:~$ sudo iwlist scanning
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wlan0 No scan results

nouvalinux@nouvalinux-desktop:~$

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Fri, 07 Dec 2012 16:41:40 +0000

c'est quoi ce module b43 qui est chargé ??? c'est toi ??

echo "blacklist b43" |sudo tee -a /etc/modprobe.d/blacklist.conf

reboot et re test le wifi

sudo iwlist scanning

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Fri, 07 Dec 2012 14:20:34 +0000

nouvalinux@nouvalinux-desktop:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback

nouvalinux@nouvalinux-desktop:~$ sudo iwlist scanning
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wlan0 No scan results

nouvalinux@nouvalinux-desktop:~$ nm-tool

NetworkManager Tool

State: disconnected

- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 90:2B:34:51:42:61

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

Wired Properties
Carrier: off

- Device: wlan0 ----------------------------------------------------------------
Type: 802.11 WiFi
Driver: rt2800usb
State: disconnected
Default: no
HW Address: 48:02:2A:24:38:D0

Capabilities:

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

Wireless Access Points

nouvalinux@nouvalinux-desktop:~$

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Fri, 07 Dec 2012 14:00:10 +0000

pardon, c'est

cat /etc/network/interfaces

rajoute:

sudo iwlist scanning
nm-tool

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Fri, 07 Dec 2012 13:54:38 +0000

Et voici le résultat:

mer pour votre aide!!!!

nouvalinux@nouvalinux-desktop:~$ cat /etc/network
cat: /etc/network: est un dossier
nouvalinux@nouvalinux-desktop:~$ cat /var/lib/NetworkManager/NetworkManager.state

[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
nouvalinux@nouvalinux-desktop:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 90:2b:34:51:42:61
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:26 Adresse de base:0x2000

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:184 erreurs:0 :0 overruns:0 frame:0
TX packets:184 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:14384 (14.3 KB) Octets transmis:14384 (14.3 KB)

wlan0 Link encap:Ethernet HWaddr 48:02:2a:24:38:d0
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)

nouvalinux@nouvalinux-desktop:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on

nouvalinux@nouvalinux-desktop:~$ sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
nouvalinux@nouvalinux-desktop:~$

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Thu, 06 Dec 2012 10:49:07 +0000

non , fallait pas désactivé/réactivé le sans fil, donne le retour de

cat /etc/network
cat /var/lib/NetworkManager/NetworkManager.state
ifconfig -a
iwconfig
sudo rfkill list

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Tue, 04 Dec 2012 20:17:25 +0000

eh bien...j'ai redemarer l'ordi, deconnecté l'ethernet, désactivé et réactivé le réseau sans fil!!

c'état pas ça la manip??

je pense que je suis vraiment pas bon avec les ordis!!

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Tue, 04 Dec 2012 19:38:49 +0000

tu as rebooté avant de faire iwlist scan wlan0 et nm-tool ?

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Tue, 04 Dec 2012 18:26:20 +0000

ça donne ça:

nouvalinux@nouvalinux-desktop:~$ echo -e 'auto lo\niface lo inet loopback\n' | sudo tee /etc/network/interfaces
auto lo
iface lo inet loopback

nouvalinux@nouvalinux-desktop:~$ iwlist scan wlan0
iwlist: unknown command `wlan0' (check 'iwlist --help').
nouvalinux@nouvalinux-desktop:~$ nm-tool

NetworkManager Tool

State: connected

- Device: eth0 [Auto eth0] ----------------------------------------------------
Type: Wired
Driver: r8169
State: connected
Default: yes
HW Address: 90:2B:34:51:42:61

Capabilities:
Carrier Detect: yes
Speed: 100 Mb/s

Wired Properties
Carrier: on

IPv4 Settings:
Address: 192.168.1.2
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.254

DNS: 192.168.1.254

- Device: wlan0 ----------------------------------------------------------------
Type: 802.11 WiFi
Driver: rt2800usb
State: disconnected
Default: no
HW Address: 48:02:2A:24:38:D0

Capabilities:

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

Wireless Access Points

nouvalinux@nouvalinux-desktop:~$

Réponse à : problèmes connexion wifi

dummy@example.com (toutafai) — Tue, 04 Dec 2012 17:14:20 +0000

tu as modifié le fichier interfaces, remet le par défaut avec cette commande

echo -e 'auto lo\niface lo inet loopback\n' | sudo tee /etc/network/interfaces

reboot,retest ton wifiet si cela marche pas donne cela redonne le retour de ces commandes

iwlist scan wlan0 
nm-tool

Réponse à : problèmes connexion wifi

dummy@example.com (romu23) — Tue, 04 Dec 2012 16:29:49 +0000

voici le résultat:

>>    cat /etc/lsb-release 

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.04
DISTRIB_CODENAME=lucid
DISTRIB_DESCRIPTION="NouvaLinux Client 11.04.4 LTS"

>>    lsusb 

Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 04fc:0005 Sunplus Technology Co., Ltd 
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 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 148f:2070 Ralink Technology, Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

>>    lspci -k -nn | grep -A 3 -i net 

02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 06)
	Kernel driver in use: r8169
	Kernel modules: r8169

>>    sudo lshw -C network 

  *-network
       description: Ethernet interface
       product: RTL8111/8168B PCI Express Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 06
       serial: 90:2b:34:51:42:61
       size: 100MB/s
       capacity: 1GB/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=full ip=192.168.1.2 latency=0 link=yes multicast=yes port=MII speed=100MB/s
       resources: irq:26 ioport:de00(size=256) memory:fddff000-fddfffff(prefetchable) memory:fddf8000-fddfbfff(prefetchable)
  *-network
       description: Wireless interface
       physical id: 1
       logical name: wlan0
       serial: 48:02:2a:24:38:d0
       capabilities: ethernet physical wireless
       configuration: broadcast=yes multicast=yes wireless=IEEE 802.11bgn

>>    lsmod 

Module                  Size  Used by
b43                   163556  0 
ssb                    38934  1 b43
nls_utf8                1069  1 
isofs                  29250  1 
binfmt_misc             6587  1 
snd_hda_codec_realtek   203472  1 
snd_hda_codec_atihdmi     2367  1 
snd_hda_intel          22069  0 
snd_hda_codec          74297  3 snd_hda_codec_realtek,snd_hda_codec_atihdmi,snd_hda_intel
snd_hwdep               5412  1 snd_hda_codec
snd_pcm_oss            35308  0 
snd_mixer_oss          13746  1 snd_pcm_oss
snd_pcm                70694  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy           1338  0 
snd_seq_oss            26722  0 
arc4                    1153  2 
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
rt2800usb              31531  0 
rt2x00usb               9639  1 rt2800usb
snd_timer              19130  2 snd_pcm,snd_seq
snd_seq_device          5700  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
rt2x00lib              27573  2 rt2800usb,rt2x00usb
led_class               2864  2 b43,rt2x00lib
ppdev                   5259  0 
snd                    54244  12 snd_hda_codec_realtek,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
mac80211              205434  3 b43,rt2x00usb,rt2x00lib
soundcore               6620  1 snd
parport_pc             25962  1 
i2c_piix4               8335  0 
snd_page_alloc          7076  2 snd_hda_intel,snd_pcm
cfg80211              126528  3 b43,rt2x00lib,mac80211
crc_ccitt               1339  1 rt2800usb
lp                      7028  0 
parport                32635  3 ppdev,parport_pc,lp
fbcon                  35102  71 
tileblit                1999  1 fbcon
font                    7557  1 fbcon
usbhid                 36110  0 
bitblit                 4707  1 fbcon
hid                    67288  1 usbhid
softcursor              1189  1 bitblit
r8169                  34140  0 
pata_atiixp             3148  0 
mii                     4381  1 r8169
vga16fb                11385  1 
vgastate                8961  1 vga16fb
ahci                   32680  2

>>    iwconfig 

wlan0     IEEE 802.11bgn  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          

>>    ifconfig -a 

eth0      Link encap:Ethernet  HWaddr 90:2b:34:51:42:61  
          inet adr:192.168.1.2  Bcast:192.168.1.255  Masque:255.255.255.0
          adr inet6: fe80::922b:34ff:fe51:4261/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:22404 erreurs:0 :0 overruns:0 frame:0
          TX packets:19690 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:24380742 (24.3 MB) Octets transmis:2815235 (2.8 MB)
          Interruption:26 Adresse de base:0x4000 

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 48:02:2a:24:38:d0  
          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)


>>    sudo iwlist scan 

wlan0     No scan results


>>    uname -r -m 

2.6.32-45-generic i686

>>    cat /etc/network/interfaces 

auto lo
iface lo inet loopback
wireless-essid Bbox-C15749
wireless-key 89660CAA3F



>>    nm-tool 


NetworkManager Tool

State: connected

- Device: eth0  [Auto eth0] ----------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             connected
  Default:           yes
  HW Address:        90:2B:34:51:42:61

  Capabilities:
    Carrier Detect:  yes
    Speed:           100 Mb/s

  Wired Properties
    Carrier:         on

  IPv4 Settings:
    Address:         192.168.1.2
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.1.254

    DNS:             192.168.1.254


- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rt2800usb
  State:             disconnected
  Default:           no
  HW Address:        48:02:2A:24:38:D0

  Capabilities:

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

  Wireless Access Points 



>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no