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#1 Le 05/02/2013, à 16:13

bibbule

Carte wifi capricieuse après dernière mise à jour

Bonjour,

Tout d'abord voici le nom de ma carte wifi :
Broadcom Corporation BCM4312

Ensuite, le résultat des commandes suggérées :

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS"

lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 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 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 001 Device 002: ID 10f1:1a13 Importek 

 lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02)
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [AHCI mode] (rev 02)
[b]01:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)[/b]
02:00.0 Ethernet controller: Atheros Communications Inc. AR8132 Fast Ethernet (rev c0)



01:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
02:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8132 Fast Ethernet [1969:1062] (rev c0)



 lspci -k
00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller Hub (rev 03)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: i915
	Kernel modules: intelfb, i915
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
	Subsystem: Hewlett-Packard Company Device 1468
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: uhci_hcd
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: uhci_hcd
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: uhci_hcd
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: uhci_hcd
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel modules: leds-ss4200, iTCO_wdt, intel-rng
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [AHCI mode] (rev 02)
	Subsystem: Hewlett-Packard Company Device 1468
	Kernel driver in use: ahci
01:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)
	Subsystem: Hewlett-Packard Company Device 1508
	Kernel driver in use: wl
	Kernel modules: wl, ssb
02:00.0 Ethernet controller: Atheros Communications Inc. AR8132 Fast Ethernet (rev c0)
	Subsystem: Hewlett-Packard Company Device 308f
	Kernel driver in use: atl1c
	Kernel modules: atl1c



 sudo lshw -C network
  *-network               
       description: Wireless interface
       product: BCM4312 802.11b/g LP-PHY
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: eth2
       version: 01
       serial: 90:4c:e5:a3:c0:a5
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.20.155.1 (r326264) latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:16 memory:feafc000-feafffff
  *-network
       description: Ethernet interface
       product: AR8132 Fast Ethernet
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: c0
       serial: 18:a9:05:db:59:bc
       size: 100Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI duplex=full firmware=N/A ip=10.199.1.145 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:44 memory:febc0000-febfffff ioport:ec80(size=128)






iwconfig
lo        no wireless extensions.

eth2      IEEE 802.11abg  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          
eth0      no wireless extensions.







ifconfig
eth0      Link encap:Ethernet  HWaddr 18:a9:05:db:59:bc  
          inet addr:10.199.1.145  Bcast:10.199.3.255  Mask:255.255.252.0
          inet6 addr: fe80::1aa9:5ff:fedb:59bc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:28726 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6945 errors:0 dropped:0 overruns:0 carrier:1
          collisions:0 txqueuelen:1000 
          RX bytes:8472166 (8.4 MB)  TX bytes:903577 (903.5 KB)
          Interrupt:44 

eth2      Link encap:Ethernet  HWaddr 90:4c:e5:a3:c0:a5  
          inet6 addr: fe80::924c:e5ff:fea3:c0a5/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:666
          TX packets:0 errors:8 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 Base address:0xc000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:671 errors:0 dropped:0 overruns:0 frame:0
          TX packets:671 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:100324 (100.3 KB)  TX bytes:100324 (100.3 KB)






sudo iwlist scan
lo        Interface doesn't support scanning.

eth2      Scan completed :
          Cell 01 - Address: F4:CA:E5:BB:AE:D1
                    Channel:7
                    Frequency:2.442 GHz (Channel 7)
                    Quality=20/70  Signal level=-90 dBm  
                    Encryption key:off
                    ESSID:"FreeWifi"
                    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=0000000000000000
                    Extra: Last beacon: 4ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030107
                    IE: Unknown: 050401020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D1607001300000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101004603A4000027A4000042435E0062322F00

eth0      Interface doesn't support scanning.






uname -r -m 
3.2.0-37-generic i686





 cat  /etc/network/interfaces
auto lo
iface lo inet loopback






nm-tool

NetworkManager Tool

State: connected (global)

- Device: eth0  [Wired connection 1] -------------------------------------------
  Type:              Wired
  Driver:            atl1c
  State:             connected
  Default:           yes
  HW Address:        18:A9:05:DB:59:BC

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

  Wired Properties
    Carrier:         on

  IPv4 Settings:
    Address:         10.199.1.145
    Prefix:          22 (255.255.252.0)
    Gateway:         10.199.0.1

    DNS:             10.199.0.1


- Device: eth2 -----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            wl
  State:             disconnected
  Default:           no
  HW Address:        90:4C:E5:A3:C0:A5

  Capabilities:

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

  Wireless Access Points 
    FreeWifi_secure: Infra, F4:CA:E5:BB:AE:D2, Freq 2442 MHz, Rate 54 Mb/s, Strength 19 WPA2 Enterprise
    FoxFi00:         Infra, 04:46:65:4C:60:A8, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WPA2
    FREEBOX_MOHAMMED_JG: Infra, F4:CA:E5:BB:AE:D0, Freq 2442 MHz, Rate 54 Mb/s, Strength 15 WPA
    FreeWifi:        Infra, F4:CA:E5:BB:AE:D1, Freq 2442 MHz, Rate 54 Mb/s, Strength 19






sudo rfkill list
0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: brcmwl-0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
2: hp-wifi: Wireless LAN
	Soft blocked: no
	Hard blocked: no

Maintenant mon problème:

Le wifi marchait parfaitement jusqu'à la dernière mise à jour lancée hier ( je n'en avait pas fait depuis un ou deux mois ), je ne sais pas précisément ce qui a été installé.

Depuis, tous les réseaux wifi sont toujours bien détectés, mais je ne parviens plus à m'y connecter - j'y suis parvenue une fois après avoir booté sur windows ( qui se connecte sans problèmes - je me demandais si le pb venait de ma carte wifi ), mais cela n'est pas reproductible. Depuis plus rien. Reboots et désactivation/réactivation matériels de la carte wifi sont inutiles.

Vous avez une idée de ce qui peut m'arriver ?

Dernière modification par bibbule (Le 05/02/2013, à 16:23)

Hors ligne

#2 Le 05/02/2013, à 21:16

chibbata

Re : Carte wifi capricieuse après dernière mise à jour

salut

sudo apt-get install --reinstall bcmwl-kernel-source

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