Le wifi était plutôt instable (disparaissait de façon aléatoire...wifi revenait après un redémarrage)...Sauf que depuis un ptit moment wifi a complètement disparu. Le wifichek donne les infos suivantes. Merci pour votre aide :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0408:5180 Quanta Computer, Inc.
Bus 001 Device 003: ID 0bda:b009 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 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 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:832b]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]
Subsystem: Hewlett-Packard Company Device [103c:8319]
>> 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@0000:02:00.0
nom logique: eno1
version: 15
numéro de série: b4:b6:86:13:0d:b3
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.1.45 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
ressources: irq:16 portE/S:4000(taille=256) mémoire:b1104000-b1104fff mémoire:b1100000-b1103fff
*-network NON-RÉCLAMÉ
description: Network controller
produit: Realtek Semiconductor Co., Ltd.
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
version: 00
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: portE/S:3000(taille=256) mémoire:b1000000-b100ffff
>> lsmod | sort
acpi_pad 184320 0
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 372736 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
amdgpu 4112384 0
amd_iommu_v2 20480 1 amdgpu
autofs4 45056 2
bluetooth 573440 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrfs 1236992 0
btrtl 20480 1 btusb
btusb 57344 0
cmac 16384 1
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 491520 21 gpu_sched,drm_kms_helper,amdgpu,radeon,i915,ttm
drm_kms_helper 180224 3 amdgpu,radeon,i915
ecc 32768 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
gpu_sched 32768 1 amdgpu
hfs 61440 0
hfsplus 110592 0
hid 126976 4 usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic 16384 0
hid_logitech_dj 24576 0
hid_logitech_hidpp 40960 0
hp_wireless 16384 0
hp_wmi 16384 0
i2c_algo_bit 16384 3 amdgpu,radeon,i915
i915 1941504 24
industrialio 73728 3 industrialio_triggered_buffer,kfifo_buf,kxcjk_1013
industrialio_triggered_buffer 16384 1 kxcjk_1013
input_leds 16384 0
int3400_thermal 20480 0
int340x_thermal_zone 16384 1 processor_thermal_device
intel_cstate 20480 0
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_rapl_perf 20480 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
intel_vbtn 20480 0
intel_wmi_thunderbolt 20480 0
intel_xhci_usb_role_switch 16384 0
ip_tables 32768 0
irqbypass 16384 1 kvm
jfs 192512 0
joydev 28672 0
kfifo_buf 16384 1 industrialio_triggered_buffer
kvm 655360 0
kxcjk_1013 28672 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
libcrc32c 16384 2 btrfs,xfs
llc 16384 1 psnap
lp 20480 0
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 102400 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
ppdev 24576 0
processor_thermal_device 20480 0
psmouse 151552 0
psnap 16384 0
qnx4 16384 0
r8169 81920 0
radeon 1454080 1
raid6_pq 114688 1 btrfs
realtek 20480 1
rfcomm 81920 4
roles 16384 1 intel_xhci_usb_role_switch
sch_fq_codel 20480 2
serio_raw 20480 0
snd 86016 23 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 131072 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 57344 1
snd_hda_codec_realtek 118784 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 53248 6
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 102400 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
sparse_keymap 16384 2 hp_wmi,intel_vbtn
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 102400 2 amdgpu,radeon
ufs 81920 0
usbhid 53248 1 hid_logitech_dj
uvcvideo 94208 0
v4l2_common 16384 1 uvcvideo
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 208896 4 v4l2_common,videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 3 hp_wmi,intel_wmi_thunderbolt,wmi_bmof
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
xfs 1273856 0
xor 24576 1 btrfs
x_tables 40960 1 ip_tables
zstd_compress 163840 1 btrfs
>> iwconfig
>> ifconfig -a
eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.45 netmask 255.255.255.0 broadcast 192.168.1.255
ether b4:b6:86:13:0d:b3 txqueuelen 1000 (Ethernet)
RX packets 16146 bytes 20494460 (20.4 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10688 bytes 1075267 (1.0 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 401 bytes 38494 (38.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 401 bytes 38494 (38.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
>> uname -r -m
5.3.0-59-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
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 fa6684a1-d747-3d3e-b4ae-2f829278108b ethernet eno1
AndroidAP 98de8aa9-6dda-4975-b1eb-f3e9447c743f wifi --
Livebox-4482 1c02adfb-b1bd-4565-b55d-283da833d193 wifi --
Livebox-8220 65b73323-3a00-4b19-a1fe-4395fae3c93b wifi --
SFR_0478 fb95a59d-698a-4cd5-ac32-3c780c07eb01 wifi --
freebox_ZAMWDM b2c1c81e-e571-49d3-9a8b-d1f18374f2cb wifi --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
