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Message #01286
[Question #692600]: Echec de connexion WIFI
New question #692600 on Ubuntu:
https://answers.launchpad.net/ubuntu/+question/692600
J'utilise un portable ASUS X53S que j'ai passé sous UBUNTU 18.04.5 LTS an Avril 2020. Le choix de cette version est lié à l'utilisation du logiciel Active Inspire, qui n'est pas porté sur les versions supérieures pour l'instant.
Le WIFI marchait parfaitement jusqu'à la semaine dernière, ou à la suite d'une mise à jour, il a cessé de fonctionner : A chaque tentative de connection, j'ai le message "Echec de connexion / L'activation de la connexion réseau a échoué".
Cela ne concerne que la connexion WIFI, le filaire marche parfaitement.
Quand je lance l'utilitaire linssid, je vois parfaitement mon réseau WIFI, Network manager le voit aussi. Le mot de passe de connection au WIFI n'a pas changé, tous les autres équipements se connectent parfaitement.
Je poste ci-après le résultat du script wificheck
[code]
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"
>> lsusb
Bus 002 Device 003: ID 046d:c001 Logitech, Inc. N48/M-BB48/M-UK96A [FirstMouse Plus]
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:0139 Realtek Semiconductor Corp. RTS5139 Card Reader Controller
Bus 001 Device 003: ID 058f:a014 Alcor Micro Corp. Asus Integrated Webcam
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 100 [8086:08ae]
Subsystem: Intel Corporation Centrino Wireless-N 100 BGN [8086:1005]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
--
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:1277]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Centrino Wireless-N 100
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlp3s0
version: 00
numéro de série: 78:92:9c:46:5f:fe
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-112-generic firmware=39.31.5.1 build 32895 latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:17 mémoire:ddc00000-ddc01fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:05:00.0
nom logique: enp5s0
version: 06
numéro de série: 54:04:a6:3f:7b:07
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list 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=full firmware=rtl_nic/rtl8168e-2.fw ip=192.168.1.29 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
ressources: irq:17 portE/S:9000(taille=256) mémoire:d2104000-d2104fff mémoire:d2100000-d2103fff
>> lsmod | sort
aesni_intel 188416 0
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
arc4 16384 2
autofs4 40960 2
cfg80211 634880 3 iwldvm,iwlwifi,mac80211
coretemp 16384 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 0
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd 16384 1 aesni_intel
drm 401408 22 drm_kms_helper,i915,ttm,nouveau
drm_kms_helper 172032 2 i915,nouveau
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hid 118784 2 usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 2 i915,nouveau
i915 1622016 41
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 16384 0
intel_rapl 20480 0
intel_rapl_perf 16384 0
ip_tables 28672 0
irqbypass 16384 1 kvm
iwldvm 229376 0
iwlwifi 290816 1 iwldvm
joydev 24576 0
kvm 614400 1 kvm_intel
kvm_intel 217088 0
libahci 32768 1 ahci
lp 20480 0
lpc_ich 24576 0
mac80211 786432 1 iwldvm
mac_hid 16384 0
media 40960 2 videodev,uvcvideo
mei 94208 1 mei_me
mei_me 40960 0
memstick 16384 1 rtsx_usb_ms
mii 16384 1 r8169
Module Size Used by
mxm_wmi 16384 1 nouveau
nouveau 1708032 2
parport 49152 3 parport_pc,lp,ppdev
parport_pc 32768 0
pcbc 16384 0
pci_stub 16384 1
ppdev 20480 0
psmouse 151552 0
r8169 86016 0
rtsx_usb 20480 2 rtsx_usb_sdmmc,rtsx_usb_ms
rtsx_usb_ms 20480 0
rtsx_usb_sdmmc 28672 0
sch_fq_codel 20480 6
serio_raw 16384 0
shpchp 36864 0
snd 81920 27 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 106496 1
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 45056 9
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 6 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
soundcore 16384 1 snd
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 106496 1 nouveau
usbhid 49152 0
uvcvideo 86016 0
vboxdrv 471040 3 vboxpci,vboxnetadp,vboxnetflt
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxpci 24576 0
video 45056 2 i915,nouveau
videobuf2_core 40960 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 16384 1 uvcvideo
videodev 184320 3 videobuf2_core,videobuf2_v4l2,uvcvideo
wmi 24576 2 mxm_wmi,nouveau
x86_pkg_temp_thermal 16384 0
x_tables 40960 1 ip_tables
[/code]
[code]
>> iwconfig
wlp3s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=14 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
4.15.0-112-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
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
WIFI-CPL Infra 9 130 Mbit/s 85 ▂▄▆█ WPA2
WIFI-CPL Infra 3 130 Mbit/s 55 ▂▄__ WPA2
Livebox-831F Infra 6 130 Mbit/s 39 ▂▄__ WPA2
FreeWifi_secure Infra 6 195 Mbit/s 34 ▂▄__ WPA2 802.1X
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 065d85cc-cf07-31f6-84a7-54805a1c5852 ethernet enp5s0
AndroidAP 9b52ea32-e829-454d-b6d1-9710effcd764 wifi --
Livebox-6008 a7e52cfc-75cb-4e98-854c-dfc9db77e58f wifi --
Livebox-831F f144f75f-0abe-4da0-a471-dea049297f6b wifi --
Livebox-D465 40601592-4771-41c2-a615-380c2d72fdbb wifi --
SIO-LaColiniere404 da44944f-e728-4e1d-8112-1f2b57072761 wifi --
WIFI-CPL 31e7c5bb-dc07-4af2-9b03-759cdc3ac001 wifi --
invites_44-39 664475ad-0b16-455d-9213-c956ee854844 wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
[/code]
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