Salut alors étonnamment tout est revenu à la normal ce matin, le wifi fonctionne très bien pas de soucis. je remet un wificheck au cas où qlqun décèle une anomalie mais sinon pas de problème il me semble
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 13d3:3526 IMC Networks Bluetooth Radio
Bus 001 Device 002: ID 13d3:5a07 IMC Networks USB2.0 VGA UVC WebCam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter [10ec:b822]
Subsystem: AzureWave RTL8822BE 802.11a/b/g/n/ac WiFi adapter [1a3b:2950]
Kernel driver in use: rtw_pci
Kernel modules: rtwpci
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: 40:9f:38:45:68:6f
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=rtw_pci driverversion=5.4.0-58-generic firmware=N/A ip=192.168.0.23 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : irq:129 portE/S:e000(taille=256) mémoire:ef000000-ef00ffff
>> lsmod | sort
8250_dw 16384 0
acpi_pad 184320 0
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 372736 16
af_alg 24576 22 algif_hash,algif_skcipher
ahci 40960 3
algif_hash 16384 5
algif_skcipher 16384 5
asus_wireless 20480 0
autofs4 45056 2
bluetooth 548864 41 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bpfilter 32768 0
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrfs 1257472 0
btrtl 24576 1 btusb
btusb 57344 0
cfg80211 704512 2 mac80211,rtw88
cmac 16384 11
coretemp 20480 0
cpuid 16384 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 7 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 6 drm_kms_helper,i915
drm_kms_helper 184320 1 i915
dw_dmac 16384 0
dw_dmac_core 28672 1 dw_dmac
ecc 28672 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hfs 61440 0
hfsplus 110592 0
hid 131072 3 i2c_hid,hid_multitouch,hid_generic
hid_generic 16384 0
hid_multitouch 28672 0
i2c_algo_bit 16384 1 i915
i2c_hid 28672 0
i2c_i801 32768 0
i915 1986560 9
idma64 20480 0
input_leds 16384 0
int3400_thermal 20480 0
int3403_thermal 20480 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_cstate 20480 0
intel_lpss 16384 1 intel_lpss_pci
intel_lpss_pci 20480 2
intel_pch_thermal 16384 0
intel_powerclamp 20480 0
intel_rapl_common 24576 2 intel_rapl_msr,processor_thermal_device
intel_rapl_msr 20480 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
intel_xhci_usb_role_switch 16384 0
ip6table_filter 16384 0
ip6_tables 32768 1 ip6table_filter
iptable_filter 16384 0
ip_tables 32768 1 iptable_filter
jfs 188416 0
joydev 24576 0
kvm 663552 1 kvm_intel
kvm_intel 282624 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 32768 1 ahci
libarc4 16384 1 mac80211
libcrc32c 16384 2 btrfs,xfs
lp 20480 0
mac80211 843776 2 rtwpci,rtw88
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
minix 36864 0
Module Size Used by
msdos 20480 0
nls_iso8859_1 16384 1
ntfs 106496 0
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
pinctrl_intel 28672 1 pinctrl_sunrisepoint
pinctrl_sunrisepoint 28672 0
ppdev 24576 0
processor_thermal_device 24576 0
qnx4 16384 0
raid6_pq 114688 1 btrfs
rapl 20480 0
rfcomm 81920 16
roles 16384 1 intel_xhci_usb_role_switch
rtw88 618496 1 rtwpci
rtwpci 24576 0
sch_fq_codel 20480 1
serio_raw 20480 0
snd 90112 16 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 135168 3 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_codec_generic 81920 1
snd_hda_codec_hdmi 61440 1
snd_hda_core 90112 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_hda_intel 53248 3
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 106496 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 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
spi_pxa2xx_platform 28672 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ufs 81920 0
uvcvideo 98304 0
vboxdrv 487424 2 vboxnetadp,vboxnetflt
vboxnetadp 28672 0
vboxnetflt 28672 0
video 49152 1 i915
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
virt_dma 20480 1 idma64
wmi 32768 1 wmi_bmof
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
xfs 1282048 0
xor 24576 1 btrfs
x_tables 40960 4 ip6table_filter,iptable_filter,ip6_tables,ip_tables
zstd_compress 167936 1 btrfs
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:"Etoile"
Mode:Managed Frequency:2.442 GHz Access Point: 68:A3:78:8E:BB:1C
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=61/70 Signal level=-49 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:137 Missed beacon:0
>> 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: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 40:9f:38:45:68:6f brd ff:ff:ff:ff:ff:ff
inet 192.168.0.23/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp2s0
valid_lft 42929sec preferred_lft 42929sec
inet6 2a01:e0a:4d2:1190:e194:3a32:2f:31dd/64 scope global temporary dynamic
valid_lft 86131sec preferred_lft 85551sec
inet6 2a01:e0a:4d2:1190:1dbb:8650:575e:cc78/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86131sec preferred_lft 86131sec
inet6 fe80::7f60:dca2:6531:614a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan