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Tuttle

WIFI très lent... (résolu)

Bonjour,
Installation toute neuve d'ubuntu, changement de pilote de la carte graphique aujourd'hui (le vert des films étaient violet, ...), mais mon internet rame. Je ne peux qu'être en WIFI.
Je précise que l'heure de la freebox s'affiche, que mes parents sous windows 7 n'ont pas de souci avec le WIFI, et que j'ai déjà eu accès avec linux au wifi avec une vitesse très correcte.
Le signal est maximum...
Quelqu'un pour m'aider ?

Voici les commandes de base pour que vous m'aidiez dans la résolution de mon problème (http://forum.ubuntu-fr.org/viewtopic.php?id=141183) :

cat /etc/lsb-release :

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.10
DISTRIB_CODENAME=oneiric
DISTRIB_DESCRIPTION="Ubuntu 11.10"

lsusb :

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 003 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 005 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 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 04f2:b044 Chicony Electronics Co., Ltd Acer CrystalEye Webcam
Bus 002 Device 003: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 006 Device 002: ID 046d:c03e Logitech, Inc. Premium Optical Wheel Mouse (M-BT58)
Bus 002 Device 008: ID 0930:6545 Toshiba Corp. Kingston DataTraveler 102 Flash Drive / HEMA
Flash Drive 2 GB / PNY Attache 4GB Stick

lspci :

00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
01:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9600M GT] (rev a1)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5764M Gigabit Ethernet PCIe (rev 10)
03:00.0 Network controller: Intel Corporation WiFi Link 5100

lspci -nn | grep -i net :

02:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684] (rev 10)
03:00.0 Network controller [0280]: Intel Corporation WiFi Link 5100 [8086:4232]

sudo lshw -C network :

*-network
description: Ethernet interface
product: NetXtreme BCM5764M Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 10
serial: 00:1d:72:ed:39:a9
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt
100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.119
firmware=5764m-v3.34 latency=0 link=no multicast=yes port=twisted pair
resources: irq:47 memory:f3000000-f300ffff
*-network
description: Wireless interface
product: WiFi Link 5100
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 00
serial: 00:21:6b:68:8b:aa
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-16-generic firmware=8.83.5.1
build 33692 ip=192.168.0.10 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:45 memory:f3100000-f3101fff

lsmod :

Module Size Used by
bnep 18436 2
joydev 17693 0
rfcomm 47946 0
bluetooth 166112 10 bnep,rfcomm
parport_pc 36962 0
ppdev 17113 0
dm_crypt 23199 0
nvidia 11713772 33
arc4 12529 2
acer_wmi 23948 0
sparse_keymap 13890 1 acer_wmi
mxm_wmi 12979 0
uvcvideo 72711 0
videodev 92992 1 uvcvideo
v4l2_compat_ioctl32 17083 1 videodev
snd_hda_codec_hdmi 32040 1
snd_hda_codec_realtek 330815 1
snd_hda_intel 33390 4
snd_hda_codec 104931 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 13668 1 snd_hda_codec
snd_pcm 96714 4 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
psmouse 73882 0
serio_raw 13166 0
iwlagn 314257 0
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
mac80211 462046 1 iwlagn
snd_timer 29991 3 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
cfg80211 199630 2 iwlagn,mac80211
wmi 19256 2 acer_wmi,mxm_wmi
snd 68266 16
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,s
nd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 12680 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
vesafb 13809 1
usbhid 47198 0
hid 95463 1 usbhid
ums_realtek 13272 0
usb_storage 57901 2 ums_realtek
uas 18027 0
ahci 26002 3
libahci 26861 1 ahci
tg3 147729 0
video 19412 0

iwconfig :

lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"freebox_godad"
Mode:Managed Frequency:2.467 GHz Access Point: C6:8E:37:E4:AB:48
Bit Rate=72.2 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-38 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:528 Invalid misc:2 Missed beacon:0

ifconfig :

eth0 Link encap:Ethernet HWaddr 00:1d:72:ed:39:a9
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:16
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:44 erreurs:0 :0 overruns:0 frame:0
TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:2200 (2.2 KB) Octets transmis:2200 (2.2 KB)
wlan0 Link encap:Ethernet HWaddr 00:21:6b:68:8b:aa
inet adr:192.168.0.10 Bcast:192.168.0.255 Masque:255.255.255.0
adr inet6: fe80::221:6bff:fe68:8baa/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:2852 erreurs:0 :0 overruns:0 frame:0
TX packets:2322 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:1647510 (1.6 MB) Octets transmis:439927 (439.9 KB)

sudo iwlist scan :

lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: 00:12:7F:8B:1F:80
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"crcano"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 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=00000006db271eb7
Extra: Last beacon: 14240ms ago
IE: Unknown: 0006637263616E6F
IE: Unknown: 010882848B0C12961824
IE: Unknown: 030106
IE: Unknown: 2A0100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 32043048606C
IE: Unknown:
851E000084000F00FF0319006170353065743261000000000000000001000025
IE: Unknown: 9606004096001100
IE: Unknown: DD06004096010101
IE: Unknown: DD050040960303
IE: Unknown: DD1600409604000007A4000023A400004243000062320000
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 02 - Address: 36:6E:67:C4:D7:C4
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=37/70 Signal level=-73 dBm
Encryption key:on
ESSID:"freebox_ETTZCX"
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=0000066299fe29d6
Extra: Last beacon: 13864ms ago
IE: Unknown: 000E66726565626F785F4554545A4358
IE: Unknown: 010482848B96
IE: Unknown: 03010A
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Cell 03 - Address: 00:16:41:47:55:74
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=31/70 Signal level=-79 dBm
Encryption key:on
ESSID:"Livebox-0a8c"
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=00000003a651f1fc
Extra: Last beacon: 13864ms ago
IE: Unknown: 000C4C697665626F782D30613863
IE: Unknown: 010882848B962430486C
IE: Unknown: 03010A
IE: Unknown: 2A0100
IE: Unknown: 2F0100
IE: Unknown: 32040C121860
IE: Unknown: DD060010180200F0
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 04 - Address: D6:2F:80:14:C2:14
Channel:12
Frequency:2.467 GHz (Channel 12)
Quality=25/70 Signal level=-85 dBm
Encryption key:on
ESSID:"freebox_FGZUUX"
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=0000065d6168a473
Extra: Last beacon: 14012ms ago
IE: Unknown: 000E66726565626F785F46475A555558
IE: Unknown: 010482848B96
IE: Unknown: 03010C
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Cell 05 - Address: 36:6E:67:C4:D7:C5
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=37/70 Signal level=-73 dBm
Encryption key:on
ESSID:""
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=0000066299fe13ad
Extra: Last beacon: 13872ms ago
IE: Unknown: 0000
IE: Unknown: 010482848B96
IE: Unknown: 03010A
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 050400010000
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
Cell 06 - Address: 36:6E:67:C4:D7:C6
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=37/70 Signal level=-73 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=0000066299fe4596
Extra: Last beacon: 13856ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010482848B96
IE: Unknown: 03010A
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 07 - Address: 36:6E:67:C4:D7:C7
Channel:10
Frequency:2.457 GHz (Channel 10)
Quality=37/70 Signal level=-73 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=0000066299fe4b3d
Extra: Last beacon: 13856ms ago
IE: Unknown: 000A6672656570686F6E6965
IE: Unknown: 010482848B96
IE: Unknown: 03010A
IE: Unknown: 2A0104
IE: Unknown: 32080C1218243048606C
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 08 - Address: C6:8E:37:E4:AB:48
Channel:12
Frequency:2.467 GHz (Channel 12)
Quality=70/70 Signal level=-38 dBm
Encryption key:on
ESSID:"freebox_godad"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=00000001258f915a
Extra: Last beacon: 7532ms ago
IE: Unknown: 000E66726565626F785F676F64617264
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010C
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D160C070100000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown:
DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C340C070100000000000000000000000000000000000000

uname -r -m :

3.0.0-16-generic x86_64

cat  /etc/network/interfaces :

auto lo
iface lo inet loopback

nm-tool :

NetworkManager Tool
State: connected (global)
** (process:2858): WARNING **: error: cannot retrieve connection: uid 1000 has no permission to
perform this operation
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: tg3
State: unavailable
Default: no
HW Address: 00:1D:72:ED:39:A9
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: wlan0 [freebox_godad] ----------------------------------------------
Type: 802.11 WiFi
Driver: iwlagn
State: connected
Default: yes
HW Address: 00:21:6B:68:8B:AA
Capabilities:
Speed: 72 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
FreeWifi: Infra, 36:6E:67:C4:D7:C6, Freq 2457 MHz, Rate 54 Mb/s, Strength 45
freebox_FGZUUX: Infra, D6:2F:80:14:C2:14, Freq 2467 MHz, Rate 54 Mb/s, Strength 25 WPA
crcano: Infra, 00:12:7F:8B:1F:80, Freq 2437 MHz, Rate 54 Mb/s, Strength 30 WPA WPA2
Enterprise
Livebox-0a8c: Infra, 00:16:41:47:55:74, Freq 2457 MHz, Rate 54 Mb/s, Strength 35 WPA
freephonie: Infra, 36:6E:67:C4:D7:C7, Freq 2457 MHz, Rate 54 Mb/s, Strength 45 WPA
Enterprise
*freebox_godad: Infra, C6:8E:37:E4:AB:48, Freq 2467 MHz, Rate 54 Mb/s, Strength 100 WEP
freebox_ETTZCX: Infra, 36:6E:67:C4:D7:C4, Freq 2457 MHz, Rate 54 Mb/s, Strength 45 WPA
IPv4 Settings:
Address: 192.168.0.10
Prefix: 24 (255.255.255.0)
Gateway: 192.168.0.254
DNS: 212.27.40.241
DNS: 212.27.40.240

sudo rfkill list :

0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no

Dernière modification par Tuttle (Le 06/03/2012, à 03:50)

chibbata

Re : WIFI très lent... (résolu)

salut

sudo rmmod -f iwlagn

sudo modprobe iwlagn 11n_disable=1

si le wifi fonctionne normalement et pour rendre la manip ci dessus permanente

gksudo gedit /etc/modprobe.d/iwlagn.conf

une page blanche s'ouvres,ecris cette ligne
options iwlagn 11n_disable=1

enregistres et quittes gedit

Dernière modification par chibbata (Le 05/03/2012, à 21:12)

Tuttle

Re : WIFI très lent... (résolu)

chibbata, puis-je t'épouser ???
Ca marche tout nickel, j'ai rien compris à c'que tu m'as fait faire, mais c'est repartit comme en 40 !
Merci énormément ! Bien bonne soirée ! La bise !

Dernière modification par Tuttle (Le 05/03/2012, à 21:38)