Bonjour,
Oui en me servant de la doc > wifi_chipset_realtek_rtl8812au et avec le § 3 fichier config.
Aujourd'hui fonctionnement normal après allumage du PC, puis mise en pause du PC.
Au réveil du PC, présence du WIFI pendant 1 minute environ puis disparition.
Résultat de la commande ./wificheck :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.5 LTS"
>> lsusb
Bus 002 Device 003: ID 0644:0200 TEAC Corp. All-In-One Multi-Card Reader CA200/B/S
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0846:9052 NetGear, Inc. A6100 AC600 DB Wireless Adapter [Realtek RTL8811AU]
Bus 001 Device 004: ID 03f0:d711 Hewlett-Packard
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 002: ID 413c:2105 Dell Computer Corp. Model L100 Keyboard
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 -k -nn | grep -A 3 -i net
00:19.0 Ethernet controller [0200]: Intel Corporation 82562V-2 10/100 Network Connection [8086:10c0] (rev 02)
Subsystem: Dell Inspiron 530 [1028:020d]
Kernel driver in use: e1000e
Kernel modules: e1000e
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: 82562V-2 10/100 Network Connection
fabriquant: Intel Corporation
identifiant matériel: 19
information bus: pci@0000:00:19.0
nom logique: enp0s25
version: 02
numéro de série: 00:1a:a0:91:a8:6d
capacité: 100Mbit/s
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=1.1-2 latency=0 link=no multicast=yes port=twisted pair
ressources: irq:27 mémoire:fdfc0000-fdfdffff mémoire:fdfff000-fdffffff portE/S:ff00(taille=32)
*-network
description: Interface réseau sans fil
identifiant matériel: 1
information bus: usb@1:5
nom logique: wlx8c3bad200977
numéro de série: 8c:3b:ad:20:09:77
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8821au multicast=yes wireless=unassociated
>> lsmod
Module Size Used by
usblp 20480 0
dcdbas 16384 0
coretemp 16384 0
snd_hda_codec_hdmi 53248 4
snd_hda_codec_realtek 90112 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_intel 40960 5
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_seq_midi 16384 0
snd_hda_core 77824 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_seq_midi_event 16384 1 snd_seq_midi
snd_hwdep 16384 1 snd_hda_codec
joydev 20480 0
snd_rawmidi 32768 1 snd_seq_midi
input_leds 16384 0
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_timer 32768 2 snd_pcm,snd_seq
snd 81920 21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 16384 1 snd
serio_raw 16384 0
shpchp 36864 0
lpc_ich 24576 0
mac_hid 16384 0
binfmt_misc 20480 1
8812au 1720320 0
cfg80211 565248 1 8812au
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
uas 24576 0
usb_storage 69632 1 uas
hid_generic 16384 0
psmouse 131072 0
nouveau 1503232 4
pata_acpi 16384 0
mxm_wmi 16384 1 nouveau
wmi 20480 2 mxm_wmi,nouveau
e1000e 241664 0
video 40960 1 nouveau
i2c_algo_bit 16384 1 nouveau
usbhid 53248 0
ttm 98304 1 nouveau
hid 122880 3 hid_generic,usbhid
drm_kms_helper 155648 1 nouveau
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
ptp 20480 1 e1000e
pps_core 20480 1 ptp
drm 364544 7 ttm,drm_kms_helper,nouveau
floppy 73728 0
fjes 28672 0
>> iwconfig
wlx8c3bad200977 unassociated Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated
Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>> ifconfig -a
enp0s25 Link encap:Ethernet HWaddr 00:1a:a0:91:a8:6d
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:20 Mémoire:fdfc0000-fdfe0000
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:3834 erreurs:0 :0 overruns:0 frame:0
TX packets:3834 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:294093 (294.0 KB) Octets transmis:294093 (294.0 KB)
wlx8c3bad200977 Link encap:Ethernet HWaddr 8c:3b:ad:20:09:77
UP BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:713 erreurs:0 :4787 overruns:0 frame:0
TX packets:769 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:21303348 (21.3 MB) Octets transmis:2038381 (2.0 MB)
>> sudo iwlist scan
wlx8c3bad200977 No scan results
>> uname -r -m
4.4.0-135-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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 33c772c9-5373-35ce-89e3-e5af72c507bc 802-3-ethernet --
Livebox-7486 669d4f85-8b12-4f2b-80b2-60ffffcec561 802-11-wireless --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no