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Monopolisation de la connexion Wi-Fi par mon laptop

Bonjour,
J'utilise un laptop Latitude E5530 avec Ubuntu 12.04 préinstallé. Le driver Broadcom STA marche très bien, et en fait je n'ai pas vraiment de problème de connexion. Par contre quand je suis connecté, les autres ordinateurs ont des difficultés à se connecter au réseau, voir n'y arrivent pas du tout. Si je coupe mon wifi, la connexion se rétablie immédiatement chez eux... Mes proches commencent à me détester, auriez-vous une idée de la cause/d'une éventuelle solutoin au problème ?

Informations sur mon laptop:

macac@macac-Latitude-E5530-non-vPro:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.3 LTS"
macac@macac-Latitude-E5530-non-vPro:~$ 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:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 0c45:648b Microdia 
macac@macac-Latitude-E5530-non-vPro:~$ lspci
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
00:1c.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
00:1c.6 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 7 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01)
0b:00.0 SD Host controller: O2 Micro, Inc. Device 8221 (rev 05)
0c:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe (rev 10)
macac@macac-Latitude-E5530-non-vPro:~$ lspci -nn | grep -i net
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
0c:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe [14e4:1681] (rev 10)
macac@macac-Latitude-E5530-non-vPro:~$ lspci -k
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
	Subsystem: Dell Device 053d
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
	Subsystem: Dell Device 053d
	Kernel driver in use: i915
	Kernel modules: i915
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: mei
	Kernel modules: mei
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.6 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 7 (rev c4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
	Subsystem: Dell Device 053d
	Kernel modules: iTCO_wdt
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
	Subsystem: Dell Device 053d
	Kernel driver in use: ahci
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
	Subsystem: Dell Device 053d
	Kernel modules: i2c-i801
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01)
	Subsystem: Dell Device 0015
	Kernel driver in use: wl
	Kernel modules: wl, bcma, brcmsmac
0b:00.0 SD Host controller: O2 Micro, Inc. Device 8221 (rev 05)
	Subsystem: Dell Device 053d
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci
0c:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe (rev 10)
	Subsystem: Dell Device 053d
	Kernel driver in use: tg3
	Kernel modules: tg3
macac@macac-Latitude-E5530-non-vPro:~$ sudo lshw -C network
[sudo] password for macac: 
Sorry, try again.
[sudo] password for macac: 
  *-network               
       description: Interface réseau sans fil
       produit: BCM4313 802.11bgn Wireless Network Adapter
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:02:00.0
       nom logique: eth1
       version: 01
       numéro de série: 70:18:8b:c6:88:1c
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.20.155.1 (r326264) ip=192.168.1.11 latency=0 multicast=yes wireless=IEEE 802.11abg
       ressources: irq:17 mémoire:f7e00000-f7e03fff
  *-network
       description: Ethernet interface
       produit: NetXtreme BCM5761 Gigabit Ethernet PCIe
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:0c:00.0
       nom logique: eth0
       version: 10
       numéro de série: f0:1f:af:29:b7:17
       capacité: 1Gbit/s
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: 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=3.121 firmware=5761-v3.80 latency=0 link=no multicast=yes port=twisted pair
       ressources: irq:45 mémoire:f7c10000-f7c1ffff mémoire:f7c00000-f7c0ffff
macac@macac-Latitude-E5530-non-vPro:~$ 

Déhel

Re : Monopolisation de la connexion Wi-Fi par mon laptop

Bonsoir,
ça ne va pas t'aider, mais j'ai eu exactement le même problème avec le même matériel
http://forum.ubuntu-fr.org/viewtopic.php?id=1375601

Impossible à résoudre. J'ai contourné le problème en désactivant la carte broadcom et en mettant une clé usb wifi.

Si tu trouves une solution à ton problème, merci de partager