[Linux-bruxelles] Wifi : Rf-Kill = que faire pour restaurer le wifi ?

[Jean-Marie GODFRAIND]

Aux Linuxiens : demande aide. Mailing-list du BxLUG <linux-bruxelles at lists.bxlug.be>


– Le Wifi ne marche plus : Rf-kill !!  Help, que faire ?


Le Wifi marchait auparavant. Serait-ce un blocage Wifi résultant de l'installation de python3, pip3 et youtube-dl  (installation faite hier) ?? Faudrait-il désinstaller ces modules ? Réinstaller network-manager pour récupérer un Wifi ? La connexion internet Ethernet par câble marche sans problème.


Merci d'avance pour les conseils de solution.


Jean-Marie Godfraind



Machine : Lenovo thinkpad x220T processeur i5 8 GB Ram

Debian8 avec Cinnamon


Résultats de commandes-->>


-1-/ sudo ifconfig wlan0 up

-2-/ rfkill list all

-3-/ rfkill unblock wifi

-4-/ lshw -class network

-5-/ iw dev

-6-/ dmesg | grep phy0

-7-/ lspci


Résultat des commandes : -->>


1-/ root at kdenlive:/home/jmg# sudo ifconfig wlan0 up

SIOCSIFFLAGS: Opération impossible du fait de RF-kill


– On liste avec rfkill : on note soft & hard block !!


2-/ root at kdenlive:/home/jmg# rfkill list all

0: tpacpi_wwan_sw: Wireless WAN

Soft blocked: yes

Hard blocked: yes

1: phy0: Wireless LAN

Soft blocked: yes

Hard blocked: yes


– Essai de débloquer le Wifi avec rfkill : insuccès ! Mais un élément a bougé en soft. Le hardblock reste :


3-/ root at kdenlive:/home/jmg# rfkill unblock wifi

root at kdenlive:/home/jmg# rfkill list all

0: tpacpi_wwan_sw: Wireless WAN

Soft blocked: yes

Hard blocked: yes

1: phy0: Wireless LAN

Soft blocked: no

Hard blocked: yes

root at kdenlive:/home/jmg#


– On liste le matériel network :


4-/ root at kdenlive:/home/jmg# lshw -class network

*-network

description: Ethernet interface

produit: 82579LM Gigabit Network Connection

fabriquant: Intel Corporation

identifiant matériel: 19

information bus: pci at 0000:00:19.0

nom logique: eth0

version: 04

numéro de série: 3c:97:0e:0c:f7:b1

taille: 1Gbit/s

capacité: 1Gbit/s

bits: 32 bits

horloge: 33MHz

fonctionnalités: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation

configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.3.2-k duplex=full firmware=0.13-3 ip=192.168.1.10 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s

ressources: irq:40 mémoire:f2500000-f251ffff mémoire:f252b000-f252bfff portE/S:5080(taille=32)

*-network DÉSACTIVÉ

description: Interface réseau sans fil

produit: Centrino Ultimate-N 6300

fabriquant: Intel Corporation

identifiant matériel: 0

information bus: pci at 0000:03:00.0

nom logique: wlan0

version: 35

numéro de série: 00:24:d7:a9:1f:78

bits: 64 bits

horloge: 33MHz

fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless

configuration: broadcast=yes driver=iwlwifi driverversion=3.16.0-4-686-pae firmware=9.221.4.1 build 25532 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn

ressources: irq:45 mémoire:f2400000-f2401fff

*-network DÉSACTIVÉ

description: Ethernet interface

identifiant matériel: 1

nom logique: wwan0

numéro de série: 02:80:37:ec:02:00

fonctionnalités: ethernet physical

configuration: broadcast=yes driver=cdc_ncm driverversion=22-Aug-2005 firmware=Mobile Broadband Network Device link=no multicast=yes


Encore une interrogation :


5-/ root at kdenlive:/home/jmg# iw dev

phy#0

Interface wlan0

ifindex 3

wdev 0x1

addr 00:24:d7:a9:1f:78

type managed


6-/ root at kdenlive:/home/jmg# dmesg | grep phy0

[ 5.037987] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'


7-/ root at kdenlive:/home/jmg# lspci

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)

00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)

00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04)

00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)

00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)

00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)

00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)

00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)

00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)

00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4)

00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)

00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04)

00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)

00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)

03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)

0d:00.0 System peripheral: Ricoh Co Ltd PCIe SDXC/MMC Host Controller (rev 07)

root at kdenlive:/home/jmg#



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