Solution :
wget [url]http://mirrors.edge.kernel.org/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_6.30.223.271%2Bbdcom-0ubuntu7_amd64.deb[/url]
puis :
sudo dpkg -i bcmwl-kernel-source_6.30.223.271+bdcom-0ubuntu7_amd64.deb
Bonjour,
J'utilisais le réseau wifi sans probleme sur mon ordi jusqu'à il y a 2 jours. Aujourd'hui je ne peux plus l'activer. Voici ce que me donne la commande wificheck.log :
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 001 Device 004: ID 04f2:b47f Chicony Electronics Co., Ltd
Bus 001 Device 006: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 005: ID 04ca:2009 Lite-On Technology Corp.
Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 002: ID 8087:07e6 Intel Corp.
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]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Lite-On Communications Inc BCM43142 802.11b/g/n [11ad:6645]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:0936]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: BCM43142 802.11b/g/n
fabricant: Broadcom Inc. and subsidiaries
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list
configuration : latency=0
ressources : mémoire:90600000-90607fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: ens3
version: 0c
numéro de série: 20:6a:8a:a0:18:04
taille: 100Mbit/s
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=5.8.0-36-generic duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.0.14 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources : irq:19 portE/S:1000(taille=256) mémoire:90500000-90500fff mémoire:90400000-90403fff
>> lsmod | sort
acer_wmi 24576 0
af_alg 28672 6 algif_hash,algif_skcipher
ahci 40960 2
algif_hash 16384 1
algif_skcipher 16384 1
at24 24576 0
autofs4 45056 2
bluetooth 577536 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bpfilter 884736 0
btbcm 16384 1 btusb
btintel 28672 1 btusb
btrtl 24576 1 btusb
btusb 57344 0
cec 53248 2 drm_kms_helper,i915
cmac 16384 3
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 1 ghash_clmulni_intel
drm 552960 5 drm_kms_helper,i915
drm_kms_helper 217088 1 i915
ecc 32768 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
i2c_algo_bit 16384 1 i915
i2c_i801 32768 0
i2c_smbus 20480 1 i2c_i801
i915 2195456 12
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 28672 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_soc_dts_iosf 20480 1 intel_soc_dts_thermal
intel_soc_dts_thermal 20480 0
ip6table_filter 16384 1
ip6_tables 32768 53 ip6table_filter
ip6t_REJECT 16384 1
ip6t_rt 20480 3
iptable_filter 16384 1
ip_tables 32768 9 iptable_filter
ipt_REJECT 16384 1
joydev 24576 0
kvm 712704 1 kvm_intel
kvm_intel 286720 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 36864 1 ahci
libcrc32c 16384 1 nf_conntrack
lp 20480 0
lpc_ich 24576 0
mac_hid 16384 0
mc 57344 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_txe
mei_hdcp 24576 0
mei_txe 28672 1
memstick 24576 1 rtsx_usb_ms
Module Size Used by
nf_conntrack 147456 1 xt_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
nf_defrag_ipv6 24576 1 nf_conntrack
nf_log_common 16384 2 nf_log_ipv4,nf_log_ipv6
nf_log_ipv4 16384 5
nf_log_ipv6 16384 5
nf_reject_ipv4 16384 1 ipt_REJECT
nf_reject_ipv6 20480 1 ip6t_REJECT
nls_iso8859_1 16384 1
parport 65536 3 parport_pc,lp,ppdev
parport_pc 45056 0
ppdev 24576 0
psmouse 155648 0
punit_atom_debug 16384 0
r8169 77824 0
rc_core 57344 1 cec
realtek 24576 1
rfcomm 81920 4
rtsx_usb 28672 2 rtsx_usb_sdmmc,rtsx_usb_ms
rtsx_usb_ms 24576 0
rtsx_usb_sdmmc 32768 0
sch_fq_codel 20480 2
serio_raw 20480 0
snd 94208 17 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 3
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
sparse_keymap 16384 1 acer_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
uvcvideo 98304 0
video 49152 2 acer_wmi,i915
videobuf2_common 53248 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 237568 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 2 acer_wmi,wmi_bmof
wmi_bmof 16384 0
x_tables 45056 13 ip6table_filter,xt_conntrack,iptable_filter,xt_LOG,xt_tcpudp,xt_addrtype,ip6t_rt,ip6_tables,ipt_REJECT,ip_tables,xt_limit,xt_hl,ip6t_REJECT
xt_addrtype 16384 4
xt_conntrack 16384 16
xt_hl 16384 22
xt_limit 16384 13
xt_LOG 20480 10
xt_tcpudp 20480 18
>> 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: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 20:6a:8a:a0:18:04 brd ff:ff:ff:ff:ff:ff
altname enp3s0
inet 192.168.0.14/24 brd 192.168.0.255 scope global dynamic noprefixroute ens3
valid_lft 863695sec preferred_lft 863695sec
inet6 2a01:e34:efb1:56d0:7116:cac7:5fc3:171c/64 scope global temporary dynamic
valid_lft 86097sec preferred_lft 86041sec
inet6 2a01:e34:efb1:56d0:dcf8:f40:4570:b7e9/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86097sec preferred_lft 86097sec
inet6 fe80::bec2:8623:a030:a8aa/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
>> uname -r -m
5.8.0-36-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 1 bfca9097-a6f2-34b4-84c3-d9bdf63c9c6e ethernet ens3
FamilleMas 2e9a78cf-6c29-4e2d-8800-9b4d0ca27ef2 wifi --
funky_wifi b1f3014d-371e-4e9e-bbbe-5c0e45c0a867 wifi --
funky_wifi 1 4ef9b9ff-c93c-4a0f-8ab7-9de8161cb235 wifi --
HUAWEI-B528-14F2-S1 0732aa22-269d-4300-bba0-29973a5ffe26 wifi --
>> sudo rfkill list
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 001 Device 004: ID 04f2:b47f Chicony Electronics Co., Ltd
Bus 001 Device 006: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 005: ID 04ca:2009 Lite-On Technology Corp.
Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 002: ID 8087:07e6 Intel Corp.
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]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Lite-On Communications Inc BCM43142 802.11b/g/n [11ad:6645]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:0936]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: BCM43142 802.11b/g/n
fabricant: Broadcom Inc. and subsidiaries
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list
configuration : latency=0
ressources : mémoire:90600000-90607fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: ens3
version: 0c
numéro de série: 20:6a:8a:a0:18:04
taille: 100Mbit/s
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=5.8.0-36-generic duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.0.14 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources : irq:19 portE/S:1000(taille=256) mémoire:90500000-90500fff mémoire:90400000-90403fff
>> lsmod | sort
acer_wmi 24576 0
af_alg 28672 6 algif_hash,algif_skcipher
ahci 40960 2
algif_hash 16384 1
algif_skcipher 16384 1
at24 24576 0
autofs4 45056 2
bluetooth 577536 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bpfilter 884736 0
btbcm 16384 1 btusb
btintel 28672 1 btusb
btrtl 24576 1 btusb
btusb 57344 0
cec 53248 2 drm_kms_helper,i915
cmac 16384 3
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 1 ghash_clmulni_intel
drm 552960 5 drm_kms_helper,i915
drm_kms_helper 217088 1 i915
ecc 32768 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
i2c_algo_bit 16384 1 i915
i2c_i801 32768 0
i2c_smbus 20480 1 i2c_i801
i915 2195456 12
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 28672 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_soc_dts_iosf 20480 1 intel_soc_dts_thermal
intel_soc_dts_thermal 20480 0
ip6table_filter 16384 1
ip6_tables 32768 53 ip6table_filter
ip6t_REJECT 16384 1
ip6t_rt 20480 3
iptable_filter 16384 1
ip_tables 32768 9 iptable_filter
ipt_REJECT 16384 1
joydev 24576 0
kvm 712704 1 kvm_intel
kvm_intel 286720 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 36864 1 ahci
libcrc32c 16384 1 nf_conntrack
lp 20480 0
lpc_ich 24576 0
mac_hid 16384 0
mc 57344 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_txe
mei_hdcp 24576 0
mei_txe 28672 1
memstick 24576 1 rtsx_usb_ms
Module Size Used by
nf_conntrack 147456 1 xt_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
nf_defrag_ipv6 24576 1 nf_conntrack
nf_log_common 16384 2 nf_log_ipv4,nf_log_ipv6
nf_log_ipv4 16384 5
nf_log_ipv6 16384 5
nf_reject_ipv4 16384 1 ipt_REJECT
nf_reject_ipv6 20480 1 ip6t_REJECT
nls_iso8859_1 16384 1
parport 65536 3 parport_pc,lp,ppdev
parport_pc 45056 0
ppdev 24576 0
psmouse 155648 0
punit_atom_debug 16384 0
r8169 77824 0
rc_core 57344 1 cec
realtek 24576 1
rfcomm 81920 4
rtsx_usb 28672 2 rtsx_usb_sdmmc,rtsx_usb_ms
rtsx_usb_ms 24576 0
rtsx_usb_sdmmc 32768 0
sch_fq_codel 20480 2
serio_raw 20480 0
snd 94208 17 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 3
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
sparse_keymap 16384 1 acer_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
uvcvideo 98304 0
video 49152 2 acer_wmi,i915
videobuf2_common 53248 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 237568 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 2 acer_wmi,wmi_bmof
wmi_bmof 16384 0
x_tables 45056 13 ip6table_filter,xt_conntrack,iptable_filter,xt_LOG,xt_tcpudp,xt_addrtype,ip6t_rt,ip6_tables,ipt_REJECT,ip_tables,xt_limit,xt_hl,ip6t_REJECT
xt_addrtype 16384 4
xt_conntrack 16384 16
xt_hl 16384 22
xt_limit 16384 13
xt_LOG 20480 10
xt_tcpudp 20480 18
>> 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: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 20:6a:8a:a0:18:04 brd ff:ff:ff:ff:ff:ff
altname enp3s0
inet 192.168.0.14/24 brd 192.168.0.255 scope global dynamic noprefixroute ens3
valid_lft 863695sec preferred_lft 863695sec
inet6 2a01:e34:efb1:56d0:7116:cac7:5fc3:171c/64 scope global temporary dynamic
valid_lft 86097sec preferred_lft 86041sec
inet6 2a01:e34:efb1:56d0:dcf8:f40:4570:b7e9/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86097sec preferred_lft 86097sec
inet6 fe80::bec2:8623:a030:a8aa/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
>> uname -r -m
5.8.0-36-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 1 bfca9097-a6f2-34b4-84c3-d9bdf63c9c6e ethernet ens3
FamilleMas 2e9a78cf-6c29-4e2d-8800-9b4d0ca27ef2 wifi --
funky_wifi b1f3014d-371e-4e9e-bbbe-5c0e45c0a867 wifi --
funky_wifi 1 4ef9b9ff-c93c-4a0f-8ab7-9de8161cb235 wifi --
HUAWEI-B528-14F2-S1 0732aa22-269d-4300-bba0-29973a5ffe26 wifi --
>> sudo rfkill list
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Merci de votre aide !
