Comme je le disais, le WiFi fonctionne normalement quand il n'y a pas acpi=off dans le grub. J'avais posté ce message dans la partie "installation" du forum, mais il a été déplacé ici.
J'aurais bien besoin d'aide en tout cas; merci.
Voici les informations WiFi lorsque le bouton WiFi est bloqué (acpi=off noapic):
~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"
~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 0483:0321 STMicroelectronics
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
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
~$ lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge (rev 01)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/8251 PCI bridge [K8M890/K8T800/K8T890 South]
00:07.0 CardBus bridge: Texas Instruments PCI4510 PC card Cardbus Controller (rev 02)
00:07.1 FireWire (IEEE 1394): Texas Instruments PCI4510 IEEE-1394 Controller
00:09.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
00:0b.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5788 Gigabit Ethernet (rev 03)
00:10.0 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
00:10.1 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
00:10.2 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
00:10.3 USB controller: VIA Technologies, Inc. USB 2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller (rev 80)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV350/M10 / RV360/M11 [Mobility Radeon 9600 (PRO) / 9700]
~$ lspci -nn | grep -i net
00:09.0 Network controller [0280]: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller [14e4:4320] (rev 03)
00:0b.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5788 Gigabit Ethernet [14e4:169c] (rev 03)
~$ lspci -k
00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge (rev 01)
Subsystem: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge
Kernel driver in use: agpgart-amd64
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/8251 PCI bridge [K8M890/K8T800/K8T890 South]
Kernel modules: shpchp
00:07.0 CardBus bridge: Texas Instruments PCI4510 PC card Cardbus Controller (rev 02)
Subsystem: Acer Incorporated [ALI] PCI4510 PC card Cardbus Controller
Kernel driver in use: yenta_cardbus
Kernel modules: yenta_socket
00:07.1 FireWire (IEEE 1394): Texas Instruments PCI4510 IEEE-1394 Controller
Subsystem: Acer Incorporated [ALI] PCI4510 IEEE-1394 Controller
Kernel driver in use: firewire_ohci
Kernel modules: firewire_ohci
00:09.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
Subsystem: Wistron NeWeb Corp. TravelMate 290E WLAN Mini-PCI Card
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
00:0b.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5788 Gigabit Ethernet (rev 03)
Subsystem: Acer Incorporated [ALI] NetXtreme BCM5788 Gigabit Ethernet
Kernel driver in use: tg3
Kernel modules: tg3
00:10.0 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
Subsystem: Acer Incorporated [ALI] VT82xx/62xx UHCI USB 1.1 Controller
Kernel driver in use: uhci_hcd
00:10.1 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
Subsystem: Acer Incorporated [ALI] VT82xx/62xx UHCI USB 1.1 Controller
Kernel driver in use: uhci_hcd
00:10.2 USB controller: VIA Technologies, Inc. VT82xx/62xx UHCI USB 1.1 Controller (rev 80)
Subsystem: Acer Incorporated [ALI] VT82xx/62xx UHCI USB 1.1 Controller
Kernel driver in use: uhci_hcd
00:10.3 USB controller: VIA Technologies, Inc. USB 2.0 (rev 82)
Subsystem: Acer Incorporated [ALI] USB 2.0
Kernel driver in use: ehci-pci
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
Subsystem: Acer Incorporated [ALI] VT8235 ISA Bridge
Kernel modules: via_ircc, i2c_viapro
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
Subsystem: Acer Incorporated [ALI] VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE
Kernel driver in use: pata_via
Kernel modules: pata_via, pata_acpi
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
Subsystem: Acer Incorporated [ALI] VT8233/A/8235/8237 AC97 Audio Controller
Kernel driver in use: snd_via82xx
Kernel modules: snd_via82xx
00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller (rev 80)
Subsystem: Acer Incorporated [ALI] AC'97 Modem Controller
Kernel driver in use: snd_via82xx_modem
Kernel modules: snd_via82xx_modem
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
Kernel modules: amd64_edac_mod
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
Kernel driver in use: k8temp
Kernel modules: k8temp
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV350/M10 / RV360/M11 [Mobility Radeon 9600 (PRO) / 9700]
Subsystem: Acer Incorporated [ALI] RV350/M10 / RV360/M11 [Mobility Radeon 9600 (PRO) / 9700]
Kernel driver in use: radeon
Kernel modules: radeonfb, radeon
~$ lsmod
Module Size Used by
arc4 16384 2
snd_via82xx 28672 1
snd_mpu401_uart 16384 1 snd_via82xx
snd_via82xx_modem 20480 0
gameport 16384 1 snd_via82xx
snd_ac97_codec 106496 2 snd_via82xx,snd_via82xx_modem
ac97_bus 16384 1 snd_ac97_codec
b43 401408 0
snd_pcm 94208 3 snd_via82xx,snd_ac97_codec,snd_via82xx_modem
bcma 49152 1 b43
snd_seq_midi 16384 0
mac80211 659456 1 b43
i2c_viapro 16384 0
input_leds 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
joydev 20480 0
snd_rawmidi 28672 2 snd_mpu401_uart,snd_seq_midi
mac_hid 16384 0
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
via_ircc 28672 0
k8temp 16384 0
edac_mce_amd 24576 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
serio_raw 16384 0
cfg80211 499712 2 b43,mac80211
edac_core 49152 0
snd_timer 32768 2 snd_pcm,snd_seq
snd 69632 11 snd_via82xx,snd_ac97_codec,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_mpu401_uart,snd_via82xx_modem,snd_seq_device
pcmcia 57344 0
irda 176128 1 via_ircc
soundcore 16384 1 snd
shpchp 32768 0
yenta_socket 45056 0
pcmcia_rsrc 20480 1 yenta_socket
crc_ccitt 16384 1 irda
pcmcia_core 24576 3 pcmcia,pcmcia_rsrc,yenta_socket
autofs4 40960 2
pata_acpi 16384 0
uas 20480 0
radeon 1466368 5
tg3 159744 0
i2c_algo_bit 16384 1 radeon
ttm 90112 1 radeon
usb_storage 57344 1 uas
drm_kms_helper 139264 1 radeon
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
ptp 20480 1 tg3
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
drm 311296 8 ttm,drm_kms_helper,radeon
firewire_ohci 36864 0
psmouse 118784 0
firewire_core 65536 1 firewire_ohci
ssb 57344 1 b43
pata_via 16384 2
pps_core 20480 1 ptp
crc_itu_t 16384 1 firewire_core
~$ iwconfig
wlan0 IEEE 802.11bg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
lo no wireless extensions.
enp0s11 no wireless extensions.
~$ ifconfig
enp0s11 Link encap:Ethernet HWaddr (xxxxxxxxx)
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4132 errors:0 dropped:0 overruns:0 frame:0
TX packets:3054 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4743873 (4.7 MB) TX bytes:333873 (333.8 KB)
Interrupt:9
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:268 errors:0 dropped:0 overruns:0 frame:0
TX packets:268 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:28358 (28.3 KB) TX bytes:28358 (28.3 KB)
~$ sudo iwlist scan
wlan0 Interface doesn't support scanning : Network is down
lo Interface doesn't support scanning.
enp0s11 Interface doesn't support scanning.
~$ uname -r -m
4.4.0-45-generic i686
~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
~$ sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes