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#1 Le 18/03/2015, à 22:36
- Le-Plantigrade
Wifi : déconnections intempestives sous 14.04 LTS
Suite a une remarque pertinente d'un membre de ce forum, je me permets de m'ouvrir a vous d'un problème qui me pourri l’existence et qui menace de me faire perdre mon calme.
Heureux possesseur d'un poste fixe que je n'ai ni assemblé, ni installé moi-même (merci beau-papa), je constate que ce dernier n'est pas des plus performant quand il s'agit de rester connecter plus de quelques minutes...
J'ai d'abord cru qu'il s'agissait d'un problème lié a Skype mais, a l'évidence, cela ne vient pas de là (même inutilisé, le problème perssiste...)
Du coup, démuni et pas franchement doué quand il s'agit d'informatique, je viens pleurer a l'aide...
Donc, les symptômes sont les suivants : une fois connecté a ma box (une livebox play sur une ligne "bas débit", les joies de la campagne profonde), mon poste "perd" le réseau qui lui devient invisible et donc se déconnecte. Celà intervient de façon anarchique mais de façon très fréquente lorsque je suis en viso-conférence sur Skype!
Voici la liste des résultats des commandes demandé dont je ne comprend pas le quart de la moitié...
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"
lsusb
Bus 002 Device 002: ID 046d:082b Logitech, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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
lspci
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 02)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
01:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600 GTS] (rev a1)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller (rev 12)
03:00.0 SATA controller: JMicron Technology Corp. JMB363 SATA/IDE Controller (rev 03)
03:00.1 IDE interface: JMicron Technology Corp. JMB363 SATA/IDE Controller (rev 03)
05:03.0 FireWire (IEEE 1394): LSI Corporation FW322/323 [TrueFire] 1394a Controller (rev 70)
05:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet (rev 10)
lspci -nn | grep -i net
02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller [11ab:4364] (rev 12)
05:04.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet [10ec:8167] (rev 10)
lspci -k
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02)
Subsystem: ASUSTeK Computer Inc. Device 8295
00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 02)
Kernel driver in use: pcieport
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
Subsystem: ASUSTeK Computer Inc. Device 8277
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
Kernel driver in use: pcieport
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02)
Kernel driver in use: pcieport
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02)
Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: uhci_hcd
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: ehci-pci
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
Kernel driver in use: lpc_ich
00:1f.2 SATA controller: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] (rev 02)
Subsystem: ASUSTeK Computer Inc. Device 8277
Kernel driver in use: ahci
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
Subsystem: ASUSTeK Computer Inc. P5K PRO Motherboard
01:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600 GTS] (rev a1)
Subsystem: Gigabyte Technology Co., Ltd Device 3448
Kernel driver in use: nouveau
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller (rev 12)
Subsystem: ASUSTeK Computer Inc. Motherboard
Kernel driver in use: sky2
03:00.0 SATA controller: JMicron Technology Corp. JMB363 SATA/IDE Controller (rev 03)
Subsystem: ASUSTeK Computer Inc. Device 824f
Kernel driver in use: ahci
03:00.1 IDE interface: JMicron Technology Corp. JMB363 SATA/IDE Controller (rev 03)
Subsystem: ASUSTeK Computer Inc. Device 824f
Kernel driver in use: pata_jmicron
05:03.0 FireWire (IEEE 1394): LSI Corporation FW322/323 [TrueFire] 1394a Controller (rev 70)
Subsystem: ASUSTeK Computer Inc. LSI FW322/323 IEEE 1394a FireWire Controller
Kernel driver in use: firewire_ohci
05:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet (rev 10)
Subsystem: ASUSTeK Computer Inc. Device 820d
Kernel driver in use: r8169
sudo lshw -C network
*-network
description: Ethernet interface
produit: 88E8056 PCI-E Gigabit Ethernet Controller
fabriquant: Marvell Technology Group Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: eth0
version: 12
numéro de série: 00:1e:8c:02:17:14
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.30 latency=0 link=no multicast=yes port=twisted pair
ressources: irq:45 mémoire:fe9fc000-fe9fffff portE/S:c800(taille=256) mémoire:fe9c0000-fe9dffff
*-network
description: Ethernet interface
produit: RTL-8110SC/8169SC Gigabit Ethernet
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 4
information bus: pci@0000:05:04.0
nom logique: eth1
version: 10
numéro de série: 00:1e:8c:02:15:29
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 32 bits
horloge: 66MHz
fonctionnalités: pm bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=64 link=no maxlatency=64 mingnt=32 multicast=yes port=MII speed=10Mbit/s
ressources: irq:16 portE/S:e800(taille=256) mémoire:febfec00-febfecff mémoire:febc0000-febdffff
*-network
description: Interface réseau sans fil
identifiant matériel: 1
information bus: usb@1:3
nom logique: wlan0
numéro de série: 00:15:af:3e:b5:de
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8187 driverversion=3.13.0-46-generic firmware=N/A ip=192.168.1.10 link=yes multicast=yes wireless=IEEE 802.11bg
lsmod
Module Size Used by
ctr 13049 2
ccm 17773 2
bnep 19624 2
rfcomm 69160 0
bluetooth 391136 10 bnep,rfcomm
snd_hda_codec_analog 15049 1
arc4 12608 2
rtl8187 64909 0
mac80211 630669 1 rtl8187
cfg80211 484040 2 mac80211,rtl8187
uvcvideo 80885 0
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
snd_usb_audio 154420 1
videobuf2_core 40664 1 uvcvideo
eeprom_93cx6 13344 1 rtl8187
videodev 134688 2 uvcvideo,videobuf2_core
snd_usbmidi_lib 29215 1 snd_usb_audio
joydev 17381 0
gpio_ich 13476 0
snd_hda_intel 56531 3
snd_hda_codec 192906 2 snd_hda_intel,snd_hda_codec_analog
snd_hwdep 13602 2 snd_usb_audio,snd_hda_codec
coretemp 13435 0
kvm_intel 143187 0
snd_pcm 102099 3 snd_usb_audio,snd_hda_codec,snd_hda_intel
kvm 455835 1 kvm_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
serio_raw 13462 0
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
lpc_ich 21080 0
nouveau 1097199 3
snd_rawmidi 30144 2 snd_usbmidi_lib,snd_seq_midi
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
mxm_wmi 13021 1 nouveau
wmi 19177 2 mxm_wmi,nouveau
video 19476 1 nouveau
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29482 2 snd_pcm,snd_seq
ttm 93424 1 nouveau
drm_kms_helper 55071 1 nouveau
snd 69322 20 snd_usb_audio,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_hda_codec_analog,snd_seq_midi
drm 303102 5 ttm,drm_kms_helper,nouveau
soundcore 12680 1 snd
i2c_algo_bit 13413 1 nouveau
shpchp 37032 0
asus_atk0110 18657 0
mac_hid 13205 0
parport_pc 32701 0
ppdev 17671 0
lp 17759 0
parport 42348 3 lp,ppdev,parport_pc
pata_acpi 13038 0
btrfs 836001 1
xor 21411 1 btrfs
raid6_pq 97812 1 btrfs
libcrc32c 12644 1 btrfs
hid_logitech 26709 0
ff_memless 13573 1 hid_logitech
usbhid 52659 0
hid 106148 2 hid_logitech,usbhid
firewire_ohci 40409 0
r8169 67581 0
firewire_core 68769 1 firewire_ohci
mii 13934 1 r8169
crc_itu_t 12707 1 firewire_core
sky2 58191 0
ahci 29915 3
libahci 32716 1 ahci
pata_jmicron 12758 0
floppy 69418 0
iwconfig
eth0 no wireless extensions.
eth1 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"Livebox-0402"
Mode:Managed Frequency:2.442 GHz Access Point: 18:1E:78:43:04:02
Bit Rate=5.5 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=50/70 Signal level=-60 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:102 Missed beacon:0
ifconfig
eth0 Link encap:Ethernet HWaddr 00:1e:8c:02:17:14
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
eth1 Link encap:Ethernet HWaddr 00:1e:8c:02:15:29
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)
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:1363 erreurs:0 :0 overruns:0 frame:0
TX packets:1363 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:112597 (112.5 KB) Octets transmis:112597 (112.5 KB)
wlan0 Link encap:Ethernet HWaddr 00:15:af:3e:b5:de
inet adr:192.168.1.10 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::215:afff:fe3e:b5de/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:9168 erreurs:0 :0 overruns:0 frame:0
TX packets:7822 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:9751577 (9.7 MB) Octets transmis:919226 (919.2 KB)
sudo iwlist scan
eth0 Interface doesn't support scanning.
eth1 Interface doesn't support scanning.
lo Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: 18:1E:78:43:04:02
Channel:7
Frequency:2.442 GHz (Channel 7)
Quality=49/70 Signal level=-61 dBm
Encryption key:on
ESSID:"Livebox-0402"
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=00000001678a47d7
Extra: Last beacon: 152ms ago
IE: Unknown: 000C4C697665626F782D30343032
IE: Unknown: 010882848B960C121824
IE: Unknown: 030107
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1607001300000000000000000000000000000000000000
IE: Unknown: 341607001300000000000000000000000000000000000000
IE: Unknown: DD180050F2020101890003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B00010310470010383F384C3E3FFB3AF73B3739073F384C10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E33104200094C4B313433353246461054000800060050F204000110110000100800020006103C0001011049000600372A000120
uname -r -m
3.13.0-46-generic x86_64
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: connected (global)
- Device: eth1 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 00:1E:8C:02:15:29
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: sky2
State: unavailable
Default: no
HW Address: 00:1E:8C:02:17:14
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: wlan0 [Livebox-0402 1] ----------------------------------------------
Type: 802.11 WiFi
Driver: rtl8187
State: connected
Default: yes
HW Address: 00:15:AF:3E:B5:DE
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
*Livebox-0402: Infra, 18:1E:78:43:04:02, Freq 2442 MHz, Rate 54 Mb/s, Strength 60 WPA2
IPv4 Settings:
Address: 192.168.1.10
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Voilà! C'est presque aussi abscond pour moi que de tenter d'invoquer Cthullu...
J'ai quand même fait les manip "de base" accessible a mon fort minable talent, a savoir rebooter la livebox et passer le système de phrase de sécurité en WPA2-PSK/AES...
D'avance merci de venir en aide a l'ours des cavernes!
Dernière modification par Le-Plantigrade (Le 27/03/2015, à 08:16)
"Euh... Pourquoi ça fait "COIN" là?"
Hors ligne
#2 Le 27/03/2015, à 08:15
- Le-Plantigrade
Re : Wifi : déconnections intempestives sous 14.04 LTS
Je me permets de faire une chtite relance...
D'ordinaire, je n'insisterais pas, mais ma connexion est actuellement le seul lien qui me permette de communiquer avec mon épouse partie en Corée du sud pour un an... Comprenez donc que j'insiste un peu!
Merci d'avance!
"Euh... Pourquoi ça fait "COIN" là?"
Hors ligne
#3 Le 28/03/2015, à 16:45
- pedro34new
Re : Wifi : déconnections intempestives sous 14.04 LTS
Bonjour à tous...
Désolé Le-Plantigrade de ne pouvoir vous aider étant moi-même novice en la matière! Toutefois j'ai eu un problème similaire... et toutafai qui connaît bien la question; j'en suis certain, vous aidera. Je vois que vous utilisez aussi une livebox Orange, que vous avez modifié le 'mix' WPA/WPA2 et 'rebooté' la livebox. En général cela suffit à récupérer le wifi. Avez-vous averti Orange pour leur signaler vos ennuis? Si la zone est isolée (pas d'autre wifi détecté semble-t-il!) il se peut que la couverture ne soit plus effective
Courage
Cordialement
Hors ligne
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