[Résolu] Ubuntu 14.04 LTS Réseau Ethernet disparaît après installation

Papynouche · Le 18/04/2014, à 16:00

Bonjour,

Je viens d'installer Ubuntu 14.04 LTS mais je n'ai pas accès à Ethernet.
Lors de l'installation, toutes les conditions étaient remplies, dont la 3ème "Connexion à Internet". J'ai également coché "Télécharger les mises à jour en cours d'installation" et ai pu consulter les notes Ubuntu via Internet avant de lancer l'installation. Donc Internet fonctionne!
J'ai une Livebox Orange qui est utilisée pour la TV (en filaire), mes deux Mac (iMac et Macbook Pro) en WiFi, un iPad et 2 iPod tous en WiFi.
J'ai installé Ubuntu sur un "vieux" Dell Inspiron 1501 que j'ai reçu.
Tout se déroule normalement mais j'ai cru apercevoir la case "Télécharger les mises à jour pendant l'installation" décochée en cours d'installation et l'apparition d'une fenêtre pop-up "You are disconnected".
Après redémarrage du PC, plus d'Ethernet.
La commande

sudo nm-tool

retourne

State: disconnected

Voici les résultats de différentes commandes (que je n'ai pu retranscrire dans les fichiers de sortie):

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS"


Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 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 004 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 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx]
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3
00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0)
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2)
00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3)
00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4)
00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200]
05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)


05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
08:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)


00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
	Subsystem: Dell Device 01f5
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx]
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2
	Kernel driver in use: pcieport
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3
	Kernel driver in use: pcieport
00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA
	Subsystem: Dell Device 01f5
	Kernel driver in use: ahci
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ehci-pci
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
	Subsystem: Dell Device 01f5
	Kernel driver in use: piix4_smbus
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE
	Subsystem: Dell Device 01f5
	Kernel driver in use: pata_atiixp
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
	Subsystem: Dell Device 01f5
	Kernel driver in use: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
	Subsystem: Dell Device 01f5
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
	Kernel driver in use: k8temp
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200]
	Subsystem: Dell Device 01f5
	Kernel driver in use: radeon
05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
	Subsystem: Dell Wireless 1390 WLAN Mini-Card
	Kernel driver in use: wl
08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
	Subsystem: Dell Device 01f5
08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
	Subsystem: Dell Device 01f5
	Kernel driver in use: sdhci-pci
08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)
	Subsystem: Dell Dell Inspiron 1501
	Kernel driver in use: sdhci-pci

  *-network
       description: Network controller
       produit: BCM4311 802.11b/g WLAN
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:05:00.0
       version: 01
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration: driver=wl latency=0
       ressources: irq:18 mémoire:c0200000-c0203fff
  *-network NON-RÉCLAMÉ
       description: Ethernet controller
       produit: BCM4401-B0 100Base-TX
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:08:00.0
       version: 02
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm bus_master cap_list
       configuration: latency=64
       ressources: mémoire:c0300000-c0301fff


# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

C'est étrange car jusqu'à présent je n'ai jamais eu de problème avec le port Ethernet.

Je ne parle pas du WiFi..

Merci pour votre aide,
Papynouche

Dernière modification par Papynouche (Le 20/04/2014, à 13:12)

Papynouche · Le 20/04/2014, à 10:45

Bonjour,

Je viens compléter le résultat des commandes en les ajoutant au texte ci-dessus avant leur résultat. J'ai aussi trouvé deux fichiers dans /etc/modprobe.d qui semblent "blacklister" les contrôleurs bcm43xx et où il faudrait commenter certaines lignes d'après un forum en anglais sur le même sujet. Ces fichiers sont en fin du code ci-dessous. Je pense devoir creuser de ce côté mais étant novice, ce serait plutôt à l'aveuglette et puis je ne connais pas le mot de passe de root qui est le propriétaire de ces fichiers et seul à pouvoir les modifier. Le second fichier ( le plus court des deux) est généré automatiquement par bcmwl d'après la première ligne:

# Warning: This file is autogenerated by bcmwl. All changes to this file will be lost.

Qu'est-ce que bcmwl et quand intervient-il?

Voici les résultats des commandes et les deux fichiers de black-listing

cat /etc/lsb-release

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS"

lsusb

Bus 001 Device 003: ID 0930:6544 Toshiba Corp. Kingston DataTraveler 2.0 Stick (2GB)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 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 004 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 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


lspci

00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx]
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3
00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0)
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2)
00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3)
00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4)
00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200]
05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)


lspci -nn | grep -i net

05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
08:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)


lspci -k

00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
	Subsystem: Dell Device 01f5
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx]
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2
	Kernel driver in use: pcieport
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3
	Kernel driver in use: pcieport
00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA
	Subsystem: Dell Device 01f5
	Kernel driver in use: ahci
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ohci-pci
00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI)
	Subsystem: Dell Device 01f5
	Kernel driver in use: ehci-pci
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
	Subsystem: Dell Device 01f5
	Kernel driver in use: piix4_smbus
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE
	Subsystem: Dell Device 01f5
	Kernel driver in use: pata_atiixp
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
	Subsystem: Dell Device 01f5
	Kernel driver in use: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
	Subsystem: Dell Device 01f5
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
	Kernel driver in use: k8temp
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200]
	Subsystem: Dell Device 01f5
	Kernel driver in use: radeon
05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
	Subsystem: Dell Wireless 1390 WLAN Mini-Card
	Kernel driver in use: wl
08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
	Subsystem: Dell Device 01f5
08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
	Subsystem: Dell Device 01f5
	Kernel driver in use: sdhci-pci
08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)
	Subsystem: Dell Dell Inspiron 1501
	Kernel driver in use: sdhci-pci


sudo lshw -C network

  *-network
       description: Network controller
       produit: BCM4311 802.11b/g WLAN
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:05:00.0
       version: 01
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration: driver=wl latency=0
       ressources: irq:18 mémoire:c0200000-c0203fff
  *-network NON-RÉCLAMÉ
       description: Ethernet controller
       produit: BCM4401-B0 100Base-TX
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:08:00.0
       version: 02
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm bus_master cap_list
       configuration: latency=64
       ressources: mémoire:c0300000-c0301fff


lsmod

Module                  Size  Used by
nls_iso8859_1          12617  1 
usb_storage            48417  1 
bnep                   18895  2 
rfcomm                 53664  0 
bluetooth             342263  10 bnep,rfcomm
snd_hda_codec_idt      48877  1 
snd_hda_intel          42730  3 
ssb                    51854  1 
snd_hda_codec         164067  2 snd_hda_codec_idt,snd_hda_intel
mii                    13654  0 
snd_hwdep              13272  1 snd_hda_codec
joydev                 17101  0 
wl                   3999690  1 
snd_pcm                85501  2 snd_hda_codec,snd_hda_intel
snd_page_alloc         14230  2 snd_pcm,snd_hda_intel
snd_seq_midi           13132  0 
dell_laptop            17808  0 
snd_seq_midi_event     14475  1 snd_seq_midi
snd_rawmidi            25135  1 snd_seq_midi
radeon               1416373  3 
snd_seq                55383  2 snd_seq_midi_event,snd_seq_midi
dcdbas                 14448  1 dell_laptop
snd_seq_device         14137  3 snd_seq,snd_rawmidi,snd_seq_midi
kvm_amd                50537  0 
snd_timer              28584  2 snd_pcm,snd_seq
kvm                   388083  1 kvm_amd
snd                    60871  16 snd_hwdep,snd_timer,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
psmouse                91033  0 
ttm                    72698  1 radeon
serio_raw              13230  0 
soundcore              12600  1 snd
drm_kms_helper         46907  1 radeon
k8temp                 12842  0 
drm                   243792  5 ttm,drm_kms_helper,radeon
sp5100_tco             13643  0 
i2c_piix4              17723  0 
i2c_algo_bit           13197  1 radeon
lib80211               14040  1 wl
cfg80211              409394  1 wl
ati_agp                13177  0 
shpchp                 32128  0 
mac_hid                13037  0 
parport_pc             31981  0 
ppdev                  17391  0 
lp                     13299  0 
parport                40836  3 lp,ppdev,parport_pc
pata_acpi              12886  0 
sdhci_pci              18535  0 
sdhci                  37779  1 sdhci_pci
pata_atiixp            13058  0 
ahci                   25579  2 
libahci                26754  1 ahci


iwconfig

lo        no wireless extensions.



ifconfig

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:65536  Metric:1
          Packets reçus:336 erreurs:0 :0 overruns:0 frame:0
          TX packets:336 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0 
          Octets reçus:26912 (26.9 KB) Octets transmis:26912 (26.9 KB)


sudo iwlist scan

lo        Interface doesn't support scanning.



uname -r -m 

3.13.0-24-generic i686



cat  /etc/network/interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback



nm-tool

NetworkManager Tool

State: disconnected



sudo rfkill list



cat /etc/modprobe.d/blacklist.conf

# This file lists those modules which we don't want to be loaded by
# alias expansion, usually so some other driver will be loaded for the
# device instead.

# evbug is a debug tool that should be loaded explicitly
blacklist evbug

# these drivers are very simple, the HID drivers are usually preferred
blacklist usbmouse
blacklist usbkbd

# replaced by e100
blacklist eepro100

# replaced by tulip
blacklist de4x5

# causes no end of confusion by creating unexpected network interfaces
blacklist eth1394

# snd_intel8x0m can interfere with snd_intel8x0, doesn't seem to support much
# hardware on its own (Ubuntu bug #2011, #6810)
blacklist snd_intel8x0m

# Conflicts with dvb driver (which is better for handling this device)
blacklist snd_aw2

# causes failure to suspend on HP compaq nc6000 (Ubuntu: #10306)
blacklist i2c_i801

# replaced by p54pci
blacklist prism54

# replaced by b43 and ssb.
blacklist bcm43xx

# most apps now use garmin usb driver directly (Ubuntu: #114565)
blacklist garmin_gps

# replaced by asus-laptop (Ubuntu: #184721)
blacklist asus_acpi

# low-quality, just noise when being used for sound playback, causes
# hangs at desktop session start (Ubuntu: #246969)
blacklist snd_pcsp

# ugly and loud noise, getting on everyone's nerves; this should be done by a
# nice pulseaudio bing (Ubuntu: #77010)
blacklist pcspkr

# EDAC driver for amd76x clashes with the agp driver preventing the aperture
# from being initialised (Ubuntu: #297750). Blacklist so that the driver
# continues to build and is installable for the few cases where its
# really needed.
blacklist amd76x_edac


cat /etc/modprobe.d/blacklist-bcm43.conf

# Warning: This file is autogenerated by bcmwl. All changes to this file will be lost.
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma
blacklist b44
install wl modprobe -r b43 b44 b43legacy ssb; modprobe --ignore-install wl ; modprobe --ignore-install b44

Merci pour l'aide que vous pourrez m'apporter,
Papynouche

Papynouche · Le 20/04/2014, à 12:57

Bonjour,

Finalement je m'en suis sorti (presque) tout seul. J'ai tout d'abord donné un nouveau mot de passe à l'utilisateur root et ensuite j'ai pu éditer le fichier /etc/modprobe.d/blacklist-bcm43.conf en mettent la ligne "blacklist b44" en commentaire. J'ai redémarré le PC et hop, la connexion Ethernet (et par là Internet) était réapparue.
Reste maintenant à m'attaquer à la liaison WiFi.

Papynouche

Ubuntu-fr

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#1 Le 18/04/2014, à 16:00

[Résolu] Ubuntu 14.04 LTS Réseau Ethernet disparaît après installation

#2 Le 20/04/2014, à 10:45

Re : [Résolu] Ubuntu 14.04 LTS Réseau Ethernet disparaît après installation

#3 Le 20/04/2014, à 12:57

Re : [Résolu] Ubuntu 14.04 LTS Réseau Ethernet disparaît après installation

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