Bonjour, depuis la mise à jour de mon portable sous ubuntu 15.10 j'ai souvent des déconnections d'internet tout en étant toujours connecté à ma box.
Le problème ne vient pas de ma box car internet fonctionne parfaitement avec un autre ordinateur.
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.10
DISTRIB_CODENAME=wily
DISTRIB_DESCRIPTION="Ubuntu 15.10"
lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 04f2:b47f Chicony Electronics Co., Ltd
Bus 001 Device 004: ID 1bcf:0007 Sunplus Innovation Technology Inc. Optical Mouse
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lspci
00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e)
00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series USB xHCI (rev 0e)
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
00:1c.2 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 3 (rev 0e)
00:1c.3 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 4 (rev 0e)
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
lspci -nn | grep -i net
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
lspci -k
00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: iosf_mbi_pci
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: i915
00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: ahci
00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series USB xHCI (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: xhci_hcd
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: mei_txe
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
Kernel driver in use: pcieport
00:1c.2 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 3 (rev 0e)
Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 4 (rev 0e)
Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: lpc_ich
00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e)
Subsystem: Acer Incorporated [ALI] Device 0939
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
Subsystem: Acer Incorporated [ALI] Device b734
Kernel driver in use: rtl8723be
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
Subsystem: Acer Incorporated [ALI] Device 0939
Kernel driver in use: r8169
sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: RTL8723BE PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlan0
version: 00
numéro de série: bc:30:7d:59:e2:46
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723be driverversion=4.2.0-19-generic firmware=N/A ip=192.168.1.79 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
ressources: irq:18 portE/S:2000(taille=256) mémoire:90600000-90603fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: eth0
version: 0c
numéro de série: c4:54:44:de:4f:ca
taille: 10Mbit/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 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:89 portE/S:1000(taille=256) mémoire:90500000-90500fff mémoire:90400000-90403fff
lsmod
Module Size Used by
drbg 32768 1
ansi_cprng 16384 0
ctr 16384 2
ccm 20480 2
bnep 20480 2
nls_iso8859_1 16384 1
intel_rapl 20480 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 86016 1
intel_soc_dts_iosf 16384 0
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
intel_powerclamp 16384 0
arc4 16384 2
uvcvideo 90112 0
rtl8723be 86016 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_core 49152 1 uvcvideo
v4l2_common 16384 1 videobuf2_core
videodev 172032 3 uvcvideo,v4l2_common,videobuf2_core
btcoexist 53248 1 rtl8723be
rtl8723_common 24576 1 rtl8723be
media 24576 2 uvcvideo,videodev
acer_wmi 20480 0
rtl_pci 28672 1 rtl8723be
coretemp 16384 0
kvm_intel 167936 0
sparse_keymap 16384 1 acer_wmi
snd_hda_intel 36864 3
rtlwifi 77824 2 rtl_pci,rtl8723be
joydev 20480 0
mac80211 733184 3 rtl_pci,rtlwifi,rtl8723be
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 65536 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
kvm 512000 1 kvm_intel
cfg80211 548864 2 mac80211,rtlwifi
hid_multitouch 20480 0
snd_hwdep 16384 1 snd_hda_codec
punit_atom_debug 16384 0
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
btusb 45056 0
crct10dif_pclmul 16384 0
btrtl 16384 1 btusb
crc32_pclmul 16384 0
btbcm 16384 1 btusb
btintel 16384 1 btusb
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
bluetooth 516096 9 bnep,btbcm,btrtl,btusb,btintel
cryptd 20480 0
input_leds 16384 0
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
lpc_ich 24576 0
mei_txe 20480 0
serio_raw 16384 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
iosf_mbi 16384 3 intel_soc_dts_iosf,intel_rapl,punit_atom_debug
mei 98304 1 mei_txe
snd 81920 17 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
intel_smartconnect 16384 0
soundcore 16384 1 snd
dw_dmac 16384 0
dw_dmac_core 24576 1 dw_dmac
8250_fintek 16384 0
shpchp 36864 0
i2c_designware_platform 16384 0
i2c_designware_core 16384 1 i2c_designware_platform
pwm_lpss_platform 16384 0
spi_pxa2xx_platform 24576 0
mac_hid 16384 0
pwm_lpss 16384 1 pwm_lpss_platform
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
i915 1130496 4
i2c_algo_bit 16384 1 i915
drm_kms_helper 126976 1 i915
r8169 81920 0
drm 356352 5 i915,drm_kms_helper
mii 16384 1 r8169
ahci 36864 4
libahci 32768 1 ahci
wmi 20480 1 acer_wmi
video 36864 2 i915,acer_wmi
i2c_hid 20480 0
hid 118784 4 i2c_hid,hid_multitouch,hid_generic,usbhid
iwconfig
eth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"Bbox-2170A511"
Mode:Managed Frequency:2.412 GHz Access Point: 64:7C:34:08:88:64
Bit Rate=7.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=68/70 Signal level=-42 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:62 Missed beacon:0
lo no wireless extensions.
ifconfig
eth0 Link encap:Ethernet HWaddr c4:54:44:de:4f:ca
UP 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)
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:4068 erreurs:0 :0 overruns:0 frame:0
TX packets:4068 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:421674 (421.6 KB) Octets transmis:421674 (421.6 KB)
wlan0 Link encap:Ethernet HWaddr bc:30:7d:59:e2:46
inet adr:192.168.1.79 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::be30:7dff:fe59:e246/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:37379 erreurs:0 :0 overruns:0 frame:0
TX packets:31416 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:30749909 (30.7 MB) Octets transmis:4516282 (4.5 MB)
sudo iwlist scan
eth0 Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: 64:7C:34:08:88:64
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=68/70 Signal level=-42 dBm
Encryption key:on
ESSID:"Bbox-2170A511"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000002f5f451acb
Extra: Last beacon: 32952ms ago
IE: Unknown: 000D42626F782D3231373041353131
IE: Unknown: 010882848B961224486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1AEC0103FFFFFF00000000000000000000000000000C1846471100
IE: Unknown: 3D1601000400000000000000000000000000000000000000
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: Unknown: 0B0503000B127A
IE: Unknown: 7F0101
IE: Unknown: DD07000C4307000000
IE: Unknown: 0706465220010D10
lo Interface doesn't support scanning.
uname -r -m
4.2.0-19-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
La commande « nm-tool » est introuvable, vouliez-vous dire :
La commande « dm-tool » du paquet « lightdm » (main)
nm-tool : commande introuvable
sudo rfkill list
1: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
2: acer-bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Merci