En première passe, sudo apt update m'a signalé une anomalie.
J'ai quand même lancé do apt full-upgrade puis redémarré.
Après redémarrage, j'ai fait une deuxième passe. Plus d'erreur, tout est à jour.
Mais toujours pas possibilité d'activer le wifi.
Voici un nouveau diag :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"
>> lsusb
Bus 002 Device 004: ID 05c8:038f Cheng Uei Precision Industry Co., Ltd (Foxlink)
Bus 002 Device 003: ID 0a5c:216d Broadcom Corp.
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 1058:10a8 Western Digital Technologies, Inc. Elements Portable (WDBUZG)
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
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 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
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. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
DeviceName: Realtek PCIe FE Family Controller
Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:8224]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
DeviceName: WLAN Broadcom 43142 bgn 1x1
Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a]
Kernel driver in use: wl
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: eno1
version: 07
numéro de série: ec:8e:b5:2c:f4:6d
taille: 100Mbit/s
capacité: 100Mbit/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 autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.1.15 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:33 portE/S:2000(taille=256) mémoire:f0c00000-f0c00fff mémoire:f0800000-f0803fff
*-network DÉSACTIVÉ
description: Interface réseau sans fil
produit: BCM43142 802.11b/g/n
fabriquant: Broadcom Corporation
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlo1
version: 01
numéro de série: 68:14:01:bc:b4:57
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) latency=0 multicast=yes wireless=IEEE 802.11abg
ressources: irq:42 mémoire:f0b00000-f0b07fff
>> lsmod
Module Size Used by
rfcomm 69632 0
bnep 20480 2
nls_iso8859_1 16384 1
kvm 540672 0
irqbypass 16384 1 kvm
uvcvideo 90112 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
crct10dif_pclmul 16384 0
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
snd_hda_codec_realtek 86016 1
videodev 176128 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
btusb 45056 0
crc32_pclmul 16384 0
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 53248 1
wl 6365184 0
media 24576 2 uvcvideo,videodev
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
hp_wmi 16384 0
acer_wmi 20480 0
snd_hda_intel 36864 5
aesni_intel 167936 0
bluetooth 520192 29 bnep,btbcm,btrtl,btusb,rfcomm,btintel
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
sparse_keymap 16384 2 acer_wmi,hp_wmi
aes_x86_64 20480 1 aesni_intel
snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
lrw 16384 1 aesni_intel
snd_hwdep 16384 1 snd_hda_codec
gf128mul 16384 1 lrw
cfg80211 565248 1 wl
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
cryptd 20480 2 aesni_intel,ablk_helper
input_leds 16384 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
joydev 20480 0
serio_raw 16384 0
edac_mce_amd 24576 0
edac_core 53248 0
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
fam15h_power 16384 0
k10temp 16384 0
i2c_piix4 24576 0
soundcore 16384 1 snd
shpchp 36864 0
ccp 36864 0
hp_accel 28672 0
lis3lv02d 20480 1 hp_accel
input_polldev 16384 1 lis3lv02d
tpm_crb 16384 0
mac_hid 16384 0
hp_wireless 16384 0
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 2 uas
hid_generic 16384 0
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
amdkfd 131072 1
amd_iommu_v2 20480 1 amdkfd
radeon 1515520 3
i2c_algo_bit 16384 1 radeon
ttm 94208 1 radeon
psmouse 126976 0
drm_kms_helper 147456 1 radeon
ahci 36864 3
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
libahci 32768 1 ahci
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
sdhci_pci 28672 0
sdhci 45056 1 sdhci_pci
drm 364544 49 ttm,drm_kms_helper,radeon
r8169 81920 0
mii 16384 1 r8169
wmi 20480 2 acer_wmi,hp_wmi
video 40960 1 acer_wmi
fjes 28672 0
>> iwconfig
wlo1 IEEE 802.11abg ESSID:off/any
Mode:Managed Access Point: Not-Associated
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
>> ifconfig -a
eno1 Link encap:Ethernet HWaddr ec:8e:b5:2c:f4:6d
inet adr:192.168.1.15 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::cbcc:ac6d:a071:2164/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:2353 erreurs:0 :0 overruns:0 frame:0
TX packets:2105 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:1243534 (1.2 MB) Octets transmis:285617 (285.6 KB)
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:612 erreurs:0 :0 overruns:0 frame:0
TX packets:612 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:50481 (50.4 KB) Octets transmis:50481 (50.4 KB)
wlo1 Link encap:Ethernet HWaddr 68:14:01:bc:b4:57
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:42
>> sudo iwlist scan
>> uname -r -m
4.4.0-38-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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
>> nmcli connection show
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 a624e712-a48a-3ad5-a0ab-9d487add9a60 802-3-ethernet eno1
>> sudo rfkill list
0: acer-wireless: Wireless LAN
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no