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#1 Le 20/08/2008, à 13:08

Fran_Fran

wifi lent (livebox inventel, ip fixe, carte mini dell 1490)

Bonjour,

Après deux jours d'Ubuntu et un premier problème (carte wifi non reconnue) réglé très vite et brillamment par quelqu'un de ce forum, je reviens ici dans l'espoir de redonner à ma connexion sur Ubuntu sa puissance réelle (celle qu'il a sur vista). Pour la navigation, ça n'est pas un problème, mais sur Amule, c'est extrêmement lent !

Je suis en ip fixe, j'ai ajouté les DNS routeur dans la liste des DNS, et je tourne à... 2ko/s au lieu de 700 habituellement sur Emule (Vista). J'ai vu que le problème de wifi ralenti sur Ubuntu était récurrent, mais je ne sais pas reconnaître les solutions susceptibles de convenir au mien en particulier : ndiswrapper ? autre ?

Pour finir, voici le résultat des commandes demandées dans le "lire avant" :

francois@francois-laptop:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"
francois@francois-laptop:~$ lsusb
Bus 006 Device 003: ID 04e8:326c Samsung Electronics Co., Ltd 
Bus 006 Device 002: ID 062a:0000 Creative Labs Optical Mouse
Bus 006 Device 001: ID 0000:0000  
Bus 004 Device 010: ID 1058:1100 Western Digital Technologies, Inc. 
Bus 004 Device 009: ID 1058:1102 Western Digital Technologies, Inc. 
Bus 004 Device 008: ID 1058:0901 Western Digital Technologies, Inc. 
Bus 004 Device 007: ID 1058:0910 Western Digital Technologies, Inc. 
Bus 004 Device 006: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 004 Device 005: ID 05a9:2640 OmniVision Technologies, Inc. 
Bus 004 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 004 Device 001: ID 0000:0000  
Bus 003 Device 001: ID 0000:0000  
Bus 001 Device 005: ID 0a5c:4503 Broadcom Corp. 
Bus 001 Device 004: ID 0a5c:4502 Broadcom Corp. 
Bus 001 Device 003: ID 413c:8126 Dell Computer Corp. 
Bus 001 Device 002: ID 0a5c:4500 Broadcom Corp. 
Bus 001 Device 001: ID 0000:0000  
Bus 007 Device 001: ID 0000:0000  
Bus 005 Device 001: ID 0000:0000  
Bus 002 Device 001: ID 0000:0000  
francois@francois-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation GeForce 8600M GT (rev a1)
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 (rev 05)
03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
03:01.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
03:01.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 01)
francois@francois-laptop:~$ sudo lshw -C network
[sudo] password for francois: 
SCSI                      
     
lsmod
  *-network        
       description: Network controller
       product: BCM4312 802.11a/b/g
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:0c:00.0
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=b43-pci-bridge latency=0 module=ssb
  *-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: 00:1d:09:dd:9c:97
       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 module=ssb multicast=yes port=twisted pair speed=10MB/s
  *-network
       description: Wireless interface
       physical id: 2
       logical name: wlan0
       serial: 00:1f:e1:45:5f:e8
       capabilities: ethernet physical wireless
       configuration: broadcast=yes ip=192.168.1.28 multicast=yes wireless=IEEE 802.11g
francois@francois-laptop:~$ 
francois@francois-laptop:~$ 
francois@francois-laptop:~$ lsmod
Module                  Size  Used by
nls_iso8859_1           4992  4 
nls_cp437               6656  4 
isofs                  36388  0 
vfat                   14464  4 
fat                    54556  1 vfat
udf                    88612  1 
binfmt_misc            12808  1 
rfcomm                 41744  2 
l2cap                  25728  13 rfcomm
ppdev                  10372  0 
acpi_cpufreq           10796  2 
cpufreq_conservative     8712  0 
cpufreq_ondemand        9740  1 
cpufreq_stats           7104  0 
freq_table              5536  3 acpi_cpufreq,cpufreq_ondemand,cpufreq_stats
cpufreq_powersave       2688  0 
cpufreq_userspace       5284  0 
sbs                    15112  0 
container               5632  0 
sbshc                   7680  1 sbs
dock                   11280  0 
iptable_filter          3840  0 
ip_tables              14820  1 iptable_filter
x_tables               16132  1 ip_tables
ipv6                  267780  10 
af_packet              23812  2 
sbp2                   24072  0 
parport_pc             36260  0 
lp                     12324  0 
parport                37832  3 ppdev,parport_pc,lp
rfkill_input            5504  0 
joydev                 13120  0 
arc4                    2944  2 
ecb                     4480  2 
blkcipher               8324  1 ecb
uvcvideo               58116  0 
compat_ioctl32          2304  1 uvcvideo
videodev               29440  1 uvcvideo
v4l1_compat            15492  2 uvcvideo,videodev
v4l2_common            18304  2 uvcvideo,videodev
b43                   144420  0 
usblp                  15872  0 
rfkill                  8592  3 rfkill_input,b43
mac80211              165652  1 b43
cfg80211               15112  1 mac80211
led_class               6020  1 b43
input_polldev           5896  1 b43
hci_usb                16540  2 
bluetooth              61156  7 rfcomm,l2cap,hci_usb
nvidia               7825536  26 
serio_raw               7940  0 
i2c_core               24832  1 nvidia
snd_hda_intel         344728  3 
snd_pcm_oss            42144  0 
snd_mixer_oss          17920  1 snd_pcm_oss
snd_pcm                78596  2 snd_hda_intel,snd_pcm_oss
snd_page_alloc         11400  2 snd_hda_intel,snd_pcm
snd_hwdep              10500  1 snd_hda_intel
video                  19856  14 
output                  4736  1 video
evdev                  13056  10 
snd_seq_dummy           4868  0 
dcdbas                  9504  0 
snd_seq_oss            35584  0 
sdhci                  19076  0 
snd_seq_midi            9376  0 
mmc_core               51460  1 sdhci
snd_rawmidi            25760  1 snd_seq_midi
snd_seq_midi_event      8320  2 snd_seq_oss,snd_seq_midi
wmi_acer                9644  0 
snd_seq                54224  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              24836  2 snd_pcm,snd_seq
snd_seq_device          9612  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
button                  9232  0 
ac                      6916  0 
battery                14212  0 
snd                    56996  17 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
iTCO_wdt               13092  0 
soundcore               8800  1 snd
intel_agp              25492  0 
psmouse                40336  0 
iTCO_vendor_support     4868  1 iTCO_wdt
shpchp                 34452  0 
agpgart                34760  2 nvidia,intel_agp
pci_hotplug            30880  1 shpchp
pcspkr                  4224  0 
ext3                  136712  1 
jbd                    48404  1 ext3
mbcache                 9600  1 ext3
usb_storage            73664  4 
libusual               19108  1 usb_storage
sr_mod                 17956  1 
cdrom                  37408  1 sr_mod
sg                     36880  0 
ata_piix               19588  1 
usbhid                 31872  0 
hid                    38784  1 usbhid
pata_acpi               8320  0 
sd_mod                 30720  11 
b44                    28432  0 
ohci1394               33584  0 
ieee1394               93752  2 sbp2,ohci1394
ahci                   28420  2 
mii                     6400  1 b44
ssb                    34308  2 b43,b44
ata_generic             8324  0 
libata                159344  4 ata_piix,pata_acpi,ahci,ata_generic
scsi_mod              151436  6 sbp2,usb_storage,sr_mod,sg,sd_mod,libata
ehci_hcd               37900  0 
uhci_hcd               27024  0 
usbcore               146028  9 uvcvideo,usblp,hci_usb,usb_storage,libusual,usbhid,ehci_hcd,uhci_hcd
thermal                16796  0 
processor              36872  4 acpi_cpufreq,thermal
fan                     5636  0 
fbcon                  42912  0 
tileblit                3456  1 fbcon
font                    9472  1 fbcon
bitblit                 6784  1 fbcon
softcursor              3072  1 bitblit
fuse                   50708  3 
francois@francois-laptop:~$ lsmod
Module                  Size  Used by
nls_iso8859_1           4992  4 
nls_cp437               6656  4 
isofs                  36388  0 
vfat                   14464  4 
fat                    54556  1 vfat
udf                    88612  1 
binfmt_misc            12808  1 
rfcomm                 41744  2 
l2cap                  25728  13 rfcomm
ppdev                  10372  0 
acpi_cpufreq           10796  2 
cpufreq_conservative     8712  0 
cpufreq_ondemand        9740  1 
cpufreq_stats           7104  0 
freq_table              5536  3 acpi_cpufreq,cpufreq_ondemand,cpufreq_stats
cpufreq_powersave       2688  0 
cpufreq_userspace       5284  0 
sbs                    15112  0 
container               5632  0 
sbshc                   7680  1 sbs
dock                   11280  0 
iptable_filter          3840  0 
ip_tables              14820  1 iptable_filter
x_tables               16132  1 ip_tables
ipv6                  267780  10 
af_packet              23812  2 
sbp2                   24072  0 
parport_pc             36260  0 
lp                     12324  0 
parport                37832  3 ppdev,parport_pc,lp
rfkill_input            5504  0 
joydev                 13120  0 
arc4                    2944  2 
ecb                     4480  2 
blkcipher               8324  1 ecb
uvcvideo               58116  0 
compat_ioctl32          2304  1 uvcvideo
videodev               29440  1 uvcvideo
v4l1_compat            15492  2 uvcvideo,videodev
v4l2_common            18304  2 uvcvideo,videodev
b43                   144420  0 
usblp                  15872  0 
rfkill                  8592  3 rfkill_input,b43
mac80211              165652  1 b43
cfg80211               15112  1 mac80211
led_class               6020  1 b43
input_polldev           5896  1 b43
hci_usb                16540  2 
bluetooth              61156  7 rfcomm,l2cap,hci_usb
nvidia               7825536  26 
serio_raw               7940  0 
i2c_core               24832  1 nvidia
snd_hda_intel         344728  3 
snd_pcm_oss            42144  0 
snd_mixer_oss          17920  1 snd_pcm_oss
snd_pcm                78596  2 snd_hda_intel,snd_pcm_oss
snd_page_alloc         11400  2 snd_hda_intel,snd_pcm
snd_hwdep              10500  1 snd_hda_intel
video                  19856  14 
output                  4736  1 video
evdev                  13056  10 
snd_seq_dummy           4868  0 
dcdbas                  9504  0 
snd_seq_oss            35584  0 
sdhci                  19076  0 
snd_seq_midi            9376  0 
mmc_core               51460  1 sdhci
snd_rawmidi            25760  1 snd_seq_midi
snd_seq_midi_event      8320  2 snd_seq_oss,snd_seq_midi
wmi_acer                9644  0 
snd_seq                54224  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              24836  2 snd_pcm,snd_seq
snd_seq_device          9612  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
button                  9232  0 
ac                      6916  0 
battery                14212  0 
snd                    56996  17 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
iTCO_wdt               13092  0 
soundcore               8800  1 snd
intel_agp              25492  0 
psmouse                40336  0 
iTCO_vendor_support     4868  1 iTCO_wdt
shpchp                 34452  0 
agpgart                34760  2 nvidia,intel_agp
pci_hotplug            30880  1 shpchp
pcspkr                  4224  0 
ext3                  136712  1 
jbd                    48404  1 ext3
mbcache                 9600  1 ext3
usb_storage            73664  4 
libusual               19108  1 usb_storage
sr_mod                 17956  1 
cdrom                  37408  1 sr_mod
sg                     36880  0 
ata_piix               19588  1 
usbhid                 31872  0 
hid                    38784  1 usbhid
pata_acpi               8320  0 
sd_mod                 30720  11 
b44                    28432  0 
ohci1394               33584  0 
ieee1394               93752  2 sbp2,ohci1394
ahci                   28420  2 
mii                     6400  1 b44
ssb                    34308  2 b43,b44
ata_generic             8324  0 
libata                159344  4 ata_piix,pata_acpi,ahci,ata_generic
scsi_mod              151436  6 sbp2,usb_storage,sr_mod,sg,sd_mod,libata
ehci_hcd               37900  0 
uhci_hcd               27024  0 
usbcore               146028  9 uvcvideo,usblp,hci_usb,usb_storage,libusual,usbhid,ehci_hcd,uhci_hcd
thermal                16796  0 
processor              36872  4 acpi_cpufreq,thermal
fan                     5636  0 
fbcon                  42912  0 
tileblit                3456  1 fbcon
font                    9472  1 fbcon
bitblit                 6784  1 fbcon
softcursor              3072  1 bitblit
fuse                   50708  3 
francois@francois-laptop:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11g  ESSID:"WANADOO-8368"  
          Mode:Managed  Frequency:2.417 GHz  Access Point: 00:14:A4:7C:F5:7F   
          Bit Rate=1 Mb/s   Tx-Power=27 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   
          Link Quality=56/100  Signal level=-76 dBm  Noise level=-71 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

francois@francois-laptop:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:1d:09:dd:9c:97  
          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: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:2241 erreurs:0 :0 overruns:0 frame:0
          TX packets:2241 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0 
          Octets reçus:112186 (109.5 KB) Octets transmis:112186 (109.5 KB)

wlan0     Link encap:Ethernet  HWaddr 00:1f:e1:45:5f:e8  
          inet adr:192.168.1.28  Bcast:192.168.1.255  Masque:255.255.255.0
          adr inet6: fe80::21f:e1ff:fe45:5fe8/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:21171 erreurs:0 :0 overruns:0 frame:0
          TX packets:19647 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:19157898 (18.2 MB) Octets transmis:2002686 (1.9 MB)

wmaster0  Link encap:UNSPEC  HWaddr 00-1F-E1-45-5F-E8-00-00-00-00-00-00-00-00-00-00  
          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)

francois@francois-laptop:~$ iwlist scan
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

wmaster0  Interface doesn't support scanning.

wlan0     No scan results

francois@francois-laptop:~$ uname -r -m 
2.6.24-19-generic i686
francois@francois-laptop:~$ cat  /etc/network/interfaces
auto lo
iface lo inet loopback


iface wlan0 inet static
address 192.168.1.28
netmask 255.255.255.0
gateway 192.168.1.1
wpa-psk 5ae507d78b7d69f5f768ef15f3b87671e90812b7600075176700908437ae82c0
wpa-driver wext
wpa-key-mgmt WPA-PSK
wpa-proto WPA
wpa-ssid WANADOO-8368

auto wlan0
francois@francois-laptop:~$ nm-tool

NetworkManager Tool

State: connected

- Device: eth0 ----------------------------------------------------------------
  NM Path:           /org/freedesktop/NetworkManager/Devices/eth0
  Type:              Wired
  Driver:            
  Active:            no
  HW Address:        00:1D:09:DD:9C:97

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

  Wired Settings
    Hardware Link:   no


francois@francois-laptop:~$

Voilà voilà. J'espère que quelqu'un saura comprendre tout ça !

François