Pages : 1
#1 Le 19/05/2018, à 16:32
- amath6c
Problème Wifi [résolu]
Bonjour,
je viens de faire un upgrade vers ubuntu 18.04 et depuis je n'arrive plus a me connecter au wifi de mon domicile.
ce qui est bizarre c'est je me connecte sans problème aux autres wifi.
J'ai essayé plusieurs solutions décrites dans les forums mais sans succès.
merci pour votre assistance.
BR
Dernière modification par amath6c (Le 20/05/2018, à 18:39)
Hors ligne
#2 Le 19/05/2018, à 16:42
- amath6c
Re : Problème Wifi [résolu]
le resultat du wifi check
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 5986:210f Acer, Inc
Bus 001 Device 004: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 058f:6387 Alcor Micro Corp. Flash Drive
Bus 001 Device 002: ID 1ea7:0064
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:388a]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
Kernel driver in use: rtl8821ae
Kernel modules: rtl8821ae, wl
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: enp1s0
version: 10
numéro de série: 54:e1:ad:c5:14:1b
taille: 10Mbit/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=half firmware=rtl8168g-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:126 portE/S:4000(taille=256) mémoire:a1104000-a1104fff mémoire:a1100000-a1103fff
*-network
description: Interface réseau sans fil
produit: RTL8821AE 802.11ac PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: 60:14:b3:c9:65:11
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.15.0-21-generic firmware=N/A ip=192.168.43.141 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:129 portE/S:3000(taille=256) mémoire:a1000000-a1003fff
>> lsmod
Module Size Used by
msr 16384 0
ccm 20480 9
rfcomm 77824 4
deflate 16384 0
twofish_generic 20480 0
twofish_avx_x86_64 57344 0
twofish_x86_64_3way 32768 1 twofish_avx_x86_64
twofish_x86_64 16384 2 twofish_x86_64_3way,twofish_avx_x86_64
twofish_common 24576 4 twofish_generic,twofish_x86_64_3way,twofish_avx_x86_64,twofish_x86_64
camellia_generic 32768 0
camellia_aesni_avx2 32768 0
camellia_aesni_avx_x86_64 32768 1 camellia_aesni_avx2
camellia_x86_64 57344 2 camellia_aesni_avx_x86_64,camellia_aesni_avx2
serpent_avx2 53248 0
serpent_avx_x86_64 53248 1 serpent_avx2
serpent_sse2_x86_64 57344 0
serpent_generic 28672 3 serpent_sse2_x86_64,serpent_avx_x86_64,serpent_avx2
lrw 20480 8 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_x86_64,camellia_aesni_avx2,twofish_x86_64_3way,twofish_avx_x86_64,serpent_avx2
blowfish_generic 16384 0
blowfish_x86_64 24576 0
blowfish_common 20480 2 blowfish_generic,blowfish_x86_64
cast5_avx_x86_64 53248 0
cast5_generic 24576 1 cast5_avx_x86_64
cast_common 16384 2 cast5_avx_x86_64,cast5_generic
ablk_helper 16384 7 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_aesni_avx2,twofish_avx_x86_64,serpent_avx2,cast5_avx_x86_64
des_generic 24576 0
cmac 16384 0
xcbc 16384 0
rmd160 20480 0
af_key 36864 2
xfrm_algo 16384 1 af_key
bnep 20480 2
nls_iso8859_1 16384 1
uvcvideo 86016 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 548864 33 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
wl 6447104 0
joydev 24576 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_generic 73728 1
snd_soc_skl 90112 0
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_hda_ext_core 24576 1 snd_soc_skl
snd_soc_sst_dsp 32768 1 snd_soc_skl_ipc
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
snd_soc_acpi 16384 1 snd_soc_skl
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
snd_soc_core 241664 1 snd_soc_skl
intel_powerclamp 16384 0
coretemp 16384 0
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
kvm 593920 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
aesni_intel 188416 6
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 9 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_x86_64,camellia_aesni_avx2,twofish_x86_64_3way,twofish_avx_x86_64,serpent_avx2,aesni_intel
cryptd 24576 4 crypto_simd,ablk_helper,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
intel_rapl_perf 16384 0
arc4 16384 2
snd_hda_intel 40960 3
snd_hda_codec 126976 3 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hda_core 81920 6 snd_hda_intel,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
input_leds 16384 0
snd_seq_midi 16384 0
serio_raw 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
intel_wmi_thunderbolt 16384 0
rtl8821ae 233472 0
snd_rawmidi 32768 1 snd_seq_midi
btcoexist 131072 1 rtl8821ae
wmi_bmof 16384 0
rtl_pci 32768 1 rtl8821ae
rtlwifi 77824 3 rtl_pci,btcoexist,rtl8821ae
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
mac80211 778240 3 rtl_pci,rtlwifi,rtl8821ae
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 18 snd_compress,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_soc_core,snd_pcm
cfg80211 622592 3 wl,mac80211,rtlwifi
soundcore 16384 1 snd
idma64 20480 0
virt_dma 16384 1 idma64
intel_lpss_pci 20480 0
intel_lpss 16384 1 intel_lpss_pci
mei_me 40960 0
mei 90112 1 mei_me
shpchp 36864 0
intel_pch_thermal 16384 0
elan_i2c 36864 0
ideapad_laptop 32768 0
sparse_keymap 16384 1 ideapad_laptop
mac_hid 16384 0
acpi_pad 180224 0
tpm_crb 16384 0
sch_fq_codel 20480 6
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
hid_generic 16384 0
uas 24576 0
usb_storage 69632 1 uas
usbhid 49152 0
i915 1617920 17
i2c_algo_bit 16384 1 i915
drm_kms_helper 167936 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
r8169 86016 0
mii 16384 1 r8169
drm 401408 6 i915,drm_kms_helper
ahci 36864 2
libahci 32768 1 ahci
i2c_hid 20480 0
wmi 24576 3 wmi_bmof,intel_wmi_thunderbolt,ideapad_laptop
hid 118784 3 i2c_hid,hid_generic,usbhid
video 40960 2 i915,ideapad_laptop
pinctrl_sunrisepoint 28672 0
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:"my-WiFi "
Mode:Managed Frequency:2.462 GHz Access Point: 76:E6:0F:BF:58:AE
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=70/70 Signal level=-32 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: 76:E6:0F:BF:58:AE
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-30 dBm
Encryption key:on
ESSID:"my-WiFi "
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=00000000888ea7cf
Extra: Last beacon: 96ms ago
IE: Unknown: 00086D792D5769466920
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 32043048606C
IE: Unknown: 2A0100
IE: Unknown: 2D1A300103FF00000000000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F0100
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
IE: Unknown: DD07000CE700000000
Cell 02 - Address: 20:89:86:0B:7B:DD
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=50/70 Signal level=-60 dBm
Encryption key:on
ESSID:"Livebox-CISSE"
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=000000008e808191
Extra: Last beacon: 96ms ago
IE: Unknown: 000D4C697665626F782D4349535345
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101810003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
IE: Unknown: DD8A0050F204104A0001101044000102103B00010310470010000000000000100000002089860B7BDD102100035A54451023000F4C697665626F782046545448207632102400085A542E322E302E411042000F4C32305A31343033303030363535301054000800060050F20400011011000F4C697665626F782046545448207632100800020086103C000101
>> uname -r -m
4.15.0-21-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto wlan0
iface wlan0 inet dhcp
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* my-WiFi Infra 11 65 Mo/s 100 ▂▄▆█ WPA2
Livebox-CISSE Infra 1 130 Mo/s 67 ▂▄▆_ WPA1 WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
my-WiFi 6e6608dc-4d3e-4905-abff-e59bfb603766 wifi wlp2s0
Airbox-2EBC 67bb614c-110b-4a3f-b58f-137e9a4a7802 wifi --
Airbox-56EE aef99eda-3f78-4434-92b5-bbb50c4c8353 wifi --
Airbox-FF2A 2e495b2d-2938-4462-a906-657475d24561 wifi --
Connexion filaire 1 9f6dc321-dda1-3803-9065-c9c0a5548ff4 ethernet --
FGA1 a7d84c9b-2270-4619-83c8-d1da5ebdf109 wifi --
Livebox-CISSE 4da8fbe6-be35-412b-a49f-ab44541f6b2b wifi --
Total Autoroute ea05c7b5-0303-410d-b478-0c505a035407 wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
2: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
Hors ligne
#3 Le 19/05/2018, à 16:52
- xubu1957
Re : Problème Wifi [résolu]
Bonjour,
sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
Désactive un module WLAN avec la commande :
echo "blacklist ideapad_laptop" | sudo tee /etc/modprobe.d/ideapad.conf
et essaye :
sudo modprobe rtl8821ae
Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Résolu] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
Hors ligne
#4 Le 19/05/2018, à 22:01
- amath6c
Re : Problème Wifi [résolu]
Merci pour la rapidité,
J'ai exécute les deux commandes mais le problème reste entier
Hors ligne
#5 Le 19/05/2018, à 22:14
- xubu1957
Re : Problème Wifi [résolu]
Essaye la procédure :
sudo apt-get install linux-headers-generic build-essential git
git clone https://github.com/lwfinger/rtlwifi_new.git
cd rtlwifi_new
make all
sudo make install
sudo modprobe rtl8821ae
Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Résolu] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
Hors ligne
#6 Le 20/05/2018, à 18:38
- amath6c
Re : Problème Wifi [résolu]
Problème réglé,
mille fois merci
Hors ligne
Pages : 1