![ubuntu 14.04 中的 WiFi 问题 Intel Corporation PRO/Wireless 4965 AG 或 AGN [Kedron] 网络连接](https://linux22.com/image/980605/ubuntu%2014.04%20%E4%B8%AD%E7%9A%84%20WiFi%20%E9%97%AE%E9%A2%98%20Intel%20Corporation%20PRO%2FWireless%204965%20AG%20%E6%88%96%20AGN%20%5BKedron%5D%20%E7%BD%91%E7%BB%9C%E8%BF%9E%E6%8E%A5.png)
我的 WiFi 连接很慢，被阻止了。我安装了全新的 Ubuntu 副本。
这是我的配置：有人能帮帮我吗？
########## wireless info START ##########
Report from: 04 May 2015 16:03 EEST +0300
Booted last: 04 May 2015 15:54 EEST +0300
Script from: 30 Apr 2015 17:23 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty
##### kernel ############################
Linux 3.13.0-51-generic #84-Ubuntu SMP Wed Apr 15 12:11:46 UTC 2015 i686 i686 i686 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
04:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 14)
Subsystem: Fujitsu Limited. Device [10cf:139a]
Kernel driver in use: sky2
0c:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection [8086:4229] (rev 61)
Subsystem: Intel Corporation PRO/Wireless 4965 AG or AGN [8086:1101]
Kernel driver in use: iwl4965
##### lsusb #############################
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 002: ID 1199:6832 Sierra Wireless, Inc. MC8780 Device
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 046d:09b2 Logitech, Inc. Fujitsu Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0c24:000f Taiyo Yuden Bluetooth Device (V2.0+EDR)
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
##### PCMCIA card info ##################
PRODID_1=""
PRODID_2=""
PRODID_3=""
PRODID_4=""
MANFID=0000,0000
FUNCID=255
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
iwl4965 106859 0
iwlegacy 88016 1 iwl4965
mac80211 546067 2 iwl4965,iwlegacy
cfg80211 409394 3 iwl4965,iwlegacy,mac80211
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
eth0 Link encap:Ethernet HWaddr <MAC 'eth0' [IF]>
inet addr:192.168.16.100 Bcast:192.168.16.255 Mask:255.255.255.0
inet6 addr: fe80::217:42ff:fe75:ffb4/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:35142 errors:0 dropped:0 overruns:0 frame:0
TX packets:24967 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:43038297 (43.0 MB) TX bytes:2552408 (2.5 MB)
Interrupt:16
wlan0 Link encap:Ethernet HWaddr <MAC 'wlan0' [IF]>
inet addr:192.168.16.102 Bcast:192.168.16.255 Mask:255.255.255.0
inet6 addr: fe80::21d:e0ff:fe31:7c47/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:760 errors:0 dropped:0 overruns:0 frame:0
TX packets:718 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:754054 (754.0 KB) TX bytes:75922 (75.9 KB)
##### iwconfig ##########################
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"Rlink"
Mode:Managed Frequency:2.412 GHz Access Point: <MAC 'Rlink' [AC1]>
Bit Rate=52 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-30 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:54 Missed beacon:0
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.16.1 0.0.0.0 UG 0 0 0 eth0
192.168.16.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0
192.168.16.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0
##### resolv.conf #######################
nameserver 127.0.1.1
search RalinkAP
##### NetworkManager info ###############
NetworkManager Tool
State: connected (global)
- Device: wlan0 [Rlink 1] -----------------------------------------------------
Type: 802.11 WiFi
Driver: iwl4965
State: connected
Default: no
HW Address: <MAC 'wlan0' [IF]>
Capabilities:
Speed: 52 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
TP-LINK_C08FDA: Infra, <MAC 'TP-LINK_C08FDA' [AC2]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 72 WPA WPA2
TP-LINK_A4C78A: Infra, <MAC 'TP-LINK_A4C78A' [AC3]>, Freq 2427 MHz, Rate 54 Mb/s, Strength 25 WPA2
Clicknet-9B5C: Infra, <MAC 'Clicknet-9B5C' [AC4]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA2
TP-LINK_408CA2: Infra, <MAC 'TP-LINK_408CA2' [AC5]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2
*Rlink: Infra, <MAC 'Rlink' [AC1]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 93 WPA WPA2
IPv4 Settings:
Address: 192.168.16.102
Prefix: 24 (255.255.255.0)
Gateway: 192.168.16.1
DNS: 192.168.16.1
- Device: eth0 [Conexiune cu fir 1] -------------------------------------------
Type: Wired
Driver: sky2
State: connected
Default: yes
HW Address: <MAC 'eth0' [IF]>
Capabilities:
Carrier Detect: yes
Speed: 100 Mb/s
Wired Properties
Carrier: on
IPv4 Settings:
Address: 192.168.16.100
Prefix: 24 (255.255.255.0)
Gateway: 192.168.16.1
DNS: 192.168.16.1
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/Rlink 2]] (600 root)
[connection] id=Rlink 2 | type=802-11-wireless
[802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>
[ipv4] method=auto
[ipv6] method=auto
[[/etc/NetworkManager/system-connections/Rlink]] (600 root)
[connection] id=Rlink | type=802-11-wireless
[802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>
[ipv4] method=auto
[ipv6] method=auto
[[/etc/NetworkManager/system-connections/Rlink 1]] (600 root)
[connection] id=Rlink 1 | type=802-11-wireless
[802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: Europe/Bucharest (based on set time zone)
country TW:
(2402 - 2472 @ 40), (3, 27)
(5270 - 5330 @ 40), (3, 17), DFS
(5735 - 5815 @ 40), (3, 30)
##### iwlist channels ###################
lo no frequency information.
eth0 no frequency information.
wlan0 14 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Current Frequency=2.412 GHz (Channel 1)
##### iwlist scan #######################
Channel occupancy:
2 APs on Frequency:2.412 GHz (Channel 1)
1 APs on Frequency:2.427 GHz (Channel 4)
1 APs on Frequency:2.437 GHz (Channel 6)
1 APs on Frequency:2.462 GHz (Channel 11)
wlan0 Scan completed :
Cell 01 - Address: <MAC 'Rlink' [AC1]>
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=70/70 Signal level=-28 dBm
Encryption key:on
ESSID:"Rlink"
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=00000001bd449b5c
Extra: Last beacon: 76ms ago
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
Cell 02 - Address: <MAC 'TP-LINK_C08FDA' [AC2]>
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=40/70 Signal level=-70 dBm
Encryption key:on
ESSID:"TP-LINK_C08FDA"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000e0fa910d5b
Extra: Last beacon: 76ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Cell 03 - Address: <MAC 'TP-LINK_A4C78A' [AC3]>
Channel:4
Frequency:2.427 GHz (Channel 4)
Quality=22/70 Signal level=-88 dBm
Encryption key:on
ESSID:"TP-LINK_A4C78A"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000087e78088db
Extra: Last beacon: 76ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Cell 04 - Address: <MAC 'Clicknet-9B5C' [AC4]>
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=21/70 Signal level=-89 dBm
Encryption key:on
ESSID:"Clicknet-9B5C"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000000e0f90e677d
Extra: Last beacon: 76ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Cell 05 - Address: <MAC 'TP-LINK_408CA2' [AC5]>
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=23/70 Signal level=-87 dBm
Encryption key:on
ESSID:"TP-LINK_408CA2"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000dd429a36f2
Extra: Last beacon: 76ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
eth0 Interface doesn't support scanning.
0000008000000000000000000000
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
##### module infos ######################
[iwl4965]
filename: /lib/modules/3.13.0-51-generic/kernel/drivers/net/wireless/iwlegacy/iwl4965.ko
firmware: iwlwifi-4965-2.ucode
license: GPL
author: Copyright(c) 2003-2011 Intel Corporation <[email protected]>
version: in-tree:
description: Intel(R) Wireless WiFi 4965 driver for Linux
srcversion: 0C07ED8F3D47BC4C25E124D
depends: iwlegacy,cfg80211,mac80211
intree: Y
vermagic: 3.13.0-51-generic SMP mod_unload modversions 686
signer: Magrathea: Glacier signing key
sig_key: 1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58
sig_hashalgo: sha512
parm: swcrypto:using crypto in software (default 0 [hardware]) (int)
parm: queues_num:number of hw queues. (int)
parm: 11n_disable:disable 11n functionality (int)
parm: amsdu_size_8K:enable 8K amsdu size (int)
parm: fw_restart:restart firmware in case of error (int)
[iwlegacy]
filename: /lib/modules/3.13.0-51-generic/kernel/drivers/net/wireless/iwlegacy/iwlegacy.ko
license: GPL
author: Copyright(c) 2003-2011 Intel Corporation <[email protected]>
version: in-tree:
description: iwl-legacy: common functions for 3945 and 4965
srcversion: A847A747E4E6066D74E1D6A
depends: mac80211,cfg80211
intree: Y
vermagic: 3.13.0-51-generic SMP mod_unload modversions 686
signer: Magrathea: Glacier signing key
sig_key: 1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58
sig_hashalgo: sha512
parm: led_mode:0=system default, 1=On(RF On)/Off(RF Off), 2=blinking (int)
parm: bt_coex_active:enable wifi/bluetooth co-exist (bool)
[mac80211]
filename: /lib/modules/3.13.0-51-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 29A87AE7782ED3657631C32
depends: cfg80211
intree: Y
vermagic: 3.13.0-51-generic SMP mod_unload modversions 686
signer: Magrathea: Glacier signing key
sig_key: 1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58
sig_hashalgo: sha512
parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm: beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm: probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
[cfg80211]
filename: /lib/modules/3.13.0-51-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 176113E009F723E69BE9BAB
depends:
intree: Y
vermagic: 3.13.0-51-generic SMP mod_unload modversions 686
signer: Magrathea: Glacier signing key
sig_key: 1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58
sig_hashalgo: sha512
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[iwl4965]
11n_disable: 0
amsdu_size_8K: 1
fw_restart: 1
queues_num: 0
swcrypto: 0
[iwlegacy]
bt_coex_active: Y
led_mode: 0
[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
probe_wait_ms: 500
[cfg80211]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
lp
##### modprobe options ##################
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
[/etc/udev/rules.d/70-persistent-net.rules]
# PCI device 0x11ab:0x4363 (sky2)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'eth0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x8086:0x4229 (iwl4965)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'wlan0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
##### dmesg #############################
[ 18.349457] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree:
[ 18.349458] iwl4965: Copyright(c) 2003-2011 Intel Corporation
[ 18.349519] iwl4965 0000:0c:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 18.349725] iwl4965 0000:0c:00.0: Detected Intel(R) Wireless WiFi Link 4965AGN, REV=0x4
[ 18.389866] iwl4965 0000:0c:00.0: device EEPROM VER=0x36, CALIB=0x5
[ 18.392593] iwl4965 0000:0c:00.0: Tunable channels: 13 802.11bg, 19 802.11a channels
[ 18.392697] iwl4965 0000:0c:00.0: irq 46 for MSI/MSI-X
[ 18.765491] iwl4965 0000:0c:00.0: loaded firmware version 228.61.2.24
[ 18.778655] ieee80211 phy0: Selected rate control algorithm 'iwl-4965-rs'
[ 20.981256] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 2 times)
[ 23.276551] wlan0: authenticate with <MAC 'Rlink' [AC1]>
[ 23.294555] wlan0: send auth to <MAC 'Rlink' [AC1]> (try 1/3)
[ 23.296435] wlan0: authenticated
[ 23.300030] wlan0: associate with <MAC 'Rlink' [AC1]> (try 1/3)
[ 23.303847] wlan0: RX AssocResp from <MAC 'Rlink' [AC1]> (capab=0x411 status=0 aid=2)
[ 23.332798] wlan0: associated
[ 23.332830] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 183.831597] wlan0: deauthenticating from <MAC 'Rlink' [AC1]> by local choice (reason=3)
[ 472.501407] wlan0: authenticate with <MAC 'Rlink' [AC1]>
[ 472.501551] wlan0: send auth to <MAC 'Rlink' [AC1]> (try 1/3)
[ 472.503446] wlan0: authenticated
[ 472.508053] wlan0: associate with <MAC 'Rlink' [AC1]> (try 1/3)
[ 472.511925] wlan0: RX AssocResp from <MAC 'Rlink' [AC1]> (capab=0x411 status=0 aid=2)
[ 472.537700] wlan0: associated
########## wireless info END ############