Bonjour,
je rencontre encore un problème de wifi avec ma clé usb RTL8811AU.
PC fixe Acer Aspire XC-705 en dual boot avec windows 10. 64 bits
clé usb wifi essentiel b (acheté chez boulanger)
Système Ubuntu 20.04.1 LTS.
Après avoir fait appel à l'aide de la communauté, le wifi fonctionnait bien.
Discussion :
https://forum.ubuntu-fr.org/viewtopic.php?id=2054313
Mais voilà, cela a cessé de fonctionner après avoir booté sur windows. Au retour sous linux, plus de wifi. J'ai fait attention à ne pas arréter windows, mais juste redémarrer. La clé fonctionne toujours sous windows.
J'ai fait un wificheck avec la commande :
wget -N -t 5 -T 10 https://framagit.org/cracolinux/wificheck/raw/master/wificheck && chmod +x wificheck && ./wificheck
Voilà le retour :
[code]
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 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 006: ID 12d1:108a Huawei Technologies Co., Ltd. ANE-LX1
Bus 003 Device 004: ID 0c45:760b Microdia USB Keyboard
Bus 003 Device 003: ID 03f0:a407 HP, Inc Wireless Optical Comfort Mouse
Bus 003 Device 002: ID 0bda:a811 Realtek Semiconductor Corp. RTL8811AU 802.11a/b/g/n/ac WLAN Adapter
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 11)
DeviceName: Onboard LAN
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:0750]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: eno1
version: 11
numéro de série: d8:cb:8a:1a:1a:e8
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-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=r8169 driverversion=5.8.0-34-generic firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII
ressources : irq:18 portE/S:e000(taille=256) mémoire:f7c00000-f7c00fff mémoire:f0000000-f0003fff
*-network
description: Ethernet interface
identifiant matériel: 1
information bus: usb@3:9
nom logique: usb0
numéro de série: 0a:c2:e9:7b:9f:c4
fonctionnalités: ethernet physical
configuration : broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.6 link=yes multicast=yes
>> lsmod | sort
aesni_intel 372736 0
ahci 40960 2
autofs4 45056 2
cdc_ether 20480 1 rndis_host
cec 53248 2 drm_kms_helper,i915
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 552960 9 drm_kms_helper,i915
drm_kms_helper 217088 1 i915
efi_pstore 16384 0
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hid 135168 3 usbhid,hid_redragon,hid_generic
hid_generic 16384 0
hid_redragon 16384 0
i2c_algo_bit 16384 1 i915
i2c_i801 32768 0
i2c_smbus 20480 1 i2c_i801
i915 2195456 23
input_leds 16384 0
intel_cstate 20480 0
intel_pch_thermal 16384 0
intel_powerclamp 20480 0
intel_rapl_common 28672 1 intel_rapl_msr
intel_rapl_msr 20480 0
ip_tables 32768 0
isofs 49152 0
joydev 24576 0
kvm 712704 1 kvm_intel
kvm_intel 286720 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 36864 1 ahci
lp 20480 0
lpc_ich 24576 0
mac_hid 16384 0
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
mii 20480 1 usbnet
Module Size Used by
nls_iso8859_1 16384 1
nls_utf8 16384 0
parport 65536 3 parport_pc,lp,ppdev
parport_pc 45056 0
ppdev 24576 0
r8169 77824 0
rapl 20480 0
rc_core 57344 1 cec
realtek 24576 1
rndis_host 20480 0
sch_fq_codel 20480 3
snd 94208 19 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 139264 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 126976 1
snd_hda_core 94208 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 53248 4
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 114688 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 40960 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
uas 28672 0
usbhid 57344 0
usbnet 49152 2 rndis_host,cdc_ether
usb_storage 73728 1 uas
video 49152 1 i915
wmi 32768 1 wmi_bmof
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
xhci_pci 20480 0
xhci_pci_renesas 20480 1 xhci_pci
x_tables 45056 1 ip_tables
>> iwconfig
>> ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether d8:cb:8a:1a:1a:e8 brd ff:ff:ff:ff:ff:ff
altname enp2s0
3: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
link/ether 0a:c2:e9:7b:9f:c4 brd ff:ff:ff:ff:ff:ff
inet 192.168.42.6/24 brd 192.168.42.255 scope global dynamic noprefixroute usb0
valid_lft 2959sec preferred_lft 2959sec
inet6 fe80::cb75:630a:7da5:22ef/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
>> uname -r -m
5.8.0-34-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 2 599cca00-d872-3c39-9304-22103847493e ethernet usb0
Connexion filaire 1 947f8959-926d-3ccd-9f94-7cbde2077b1a ethernet --
HUAWEI P20 lite b11ae824-f1fd-45e9-9438-a88af2c4fe07 wifi --
Livebox-C122 4b8a74c7-1206-4620-914f-de0fa255bd19 wifi --
Morgane 1cdfad0f-2dd9-4b4c-a58b-e51dffaa473a wifi --
Morgane 2GHz 28a32ea3-57d8-4cf1-9dcb-29dce5b04c2e wifi --
Morgane 5GHz db369b37-3d8c-44dc-a114-6026500532b4 wifi --
SFR-b7db 3d02b24c-7e90-441a-b4b3-ab211a50971e wifi --
>> sudo rfkill list
[/code]
Auriez-vous une idée du problème ?
Merci d'avance.