我有一台System76 Gazelle，型号为gapz8，运行着Ubuntu 14.04。我的Wi-Fi在随机时间间隔内频繁掉线。我已经购买了一个新的路由器，所以我不认为问题出在那里，但是我住在公寓楼里，所以信号可能很拥挤。我的电脑仍然显示Wi-Fi已连接，但停止发送和接收数据。我发现断开Wi-Fi连接然后重新连接可以解决问题，但几分钟后问题又会出现。有人能理解这个问题或者知道如何修复吗？如果需要更多信息来澄清问题，请告诉我。
如下所请求，以下是"无线脚本"的结果。
########## wireless info START ##########
Report from: 28 Sep 2014 23:17 EDT -0400
Booted last: 28 Sep 2014 20:28 EDT -0400
Script from: 20 Sep 2014 23:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty
##### kernel ############################
Linux 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, acpi_os_name=Linux, acpi_osi=, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0887] (rev c4) Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN [8086:4062] Kernel driver in use: iwlwifi
03:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0a) Subsystem: CLEVO/KAPOK Computer Device [1558:2706] Kernel driver in use: r8169
##### lsusb #############################
Bus 002 Device 003: ID 5986:0401 Acer, Inc Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub 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 045e:00e1 Microsoft Corp. Wireless Laser Mouse 6000 Reciever Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: phy0: Wireless LAN Soft blocked: no Hard blocked: no
##### lsmod #############################
iwldvm 232285 0 mac80211 630653 1 iwldvm iwlwifi 169932 1 iwldvm cfg80211 484040 3 iwlwifi,mac80211,iwldvm wmi 19177 0
##### interfaces ########################
auto lo iface lo inet loopback
##### ifconfig ##########################
eth0 Link encap:Ethernet HWaddr UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wlan0 Link encap:Ethernet HWaddr inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::626c:66ff:fe30:1786/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:132928 errors:0 dropped:0 overruns:0 frame:0 TX packets:81169 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:167705002 (167.7 MB) TX bytes:10766737 (10.7 MB)
##### iwconfig ##########################
eth0 no wireless extensions. lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"Router 2: Electric Boogaloo" Mode:Managed Frequency:2.417 GHz Access Point: Bit Rate=65 Mb/s Tx-Power=16 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=63/70 Signal level=-47 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:67 Missed beacon:0
##### route #############################
Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0 192.168.1.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0
##### resolv.conf #######################
nameserver 127.0.1.1
##### nm-tool ###########################
NetworkManager Tool
State: connected (global)
- Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: r8169 State: unavailable Default: no HW Address:
Capabilities: Carrier Detect: yes
Wired Properties Carrier: off
- Device: wlan0 [Router 2: Electric Boogaloo] --------------------------------- Type: 802.11 WiFi Driver: iwlwifi State: connected Default: yes HW Address:
Capabilities: Speed: 115 Mb/s
Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes
Wireless Access Points (* = current AP) Lucille: Infra, , Freq 2427 MHz, Rate 54 Mb/s, Strength 75 WPA WPA2 DG1670A82: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 62 WPA2 Mcchacko-2G: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 52 WPA2 DIRECT-roku-900: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 50 WPA2 B4R87: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 44 WPA2 NETGEAR65: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WPA2 cheeky: Infra, , Freq 2462 MHz, Rate 54 Mb/s, Strength 27 WPA2 DG1670A22: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 25 WPA2 *Router 2: Electric Boogaloo: Infra, , Freq 2417 MHz, Rate 54 Mb/s, Strength 77 WPA2 Wellfords: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 57 WPA WPA2 RubyWillow: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 40 WPA WPA2 Waffle House: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2 Linksys e3200: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2 RubyWillow-guest:Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 45 TG1672G12: Infra, , Freq 2427 MHz, Rate 54 Mb/s, Strength 34 WPA2 55B2Q: Infra, , Freq 2462 MHz, Rate 54 Mb/s, Strength 34 WPA2 luna: Infra, , Freq 2437 MHz, Rate 54 Mb/s, Strength 30 WPA WPA2 Linksys e3200-guest: Infra, , Freq 2412 MHz, Rate 54 Mb/s, Strength 27
IPv4 Settings: Address: 192.168.1.5 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1
DNS: 192.168.1.1
##### 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/Apple Network 5df1bd]] (600 root) [connection] id=Apple Network 5df1bd | type=802-11-wireless [802-11-wireless] ssid=Apple Network 5df1bd | mac-address= [ipv4] method=auto [ipv6] method=auto
[[/etc/NetworkManager/system-connections/200W102nd3E]] (600 root) [connection] id=200W102nd3E | type=802-11-wireless [802-11-wireless] ssid=200W102nd3E | mac-address= [ipv4] method=auto [ipv6] method=auto
[[/etc/NetworkManager/system-connections/NETGEAR49]] (600 root) [connection] id=NETGEAR49 | type=802-11-wireless [802-11-wireless] ssid=NETGEAR49 | mac-address= [ipv4] method=auto [ipv6] method=auto
[[/etc/NetworkManager/system-connections/NYU-ROAM3]] (600 root) [connection] id=NYU-ROAM3 | type=802-11-wireless [802-11-wireless] ssid=NYU-ROAM3 | mac-address= [ipv6] method=auto [ipv4] method=auto
[[/etc/NetworkManager/system-connections/Router 2: Electric Boogaloo]] (600 root) [connection] id=Router 2: Electric Boogaloo | type=802-11-wireless [802-11-wireless] ssid=Router 2: Electric Boogaloo | mac-address= [ipv4] method=auto [ipv6] method=auto
##### iw reg get ########################
Region: America/New_York (based on set time zone)
country 00: (2402 - 2472 @ 40), (3, 20) (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
##### iwlist channels ###################
eth0 no frequency information. lo no frequency information.
wlan0 13 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 12 : 2.467 GHz Channel 13 : 2.472 GHz Current Frequency:2.417 GHz (Channel 2)
##### iwlist scan #######################
Channel occupancy:
2 APs on Frequency:2.412 GHz (Channel 1) 1 APs on Frequency:2.417 GHz (Channel 2) 1 APs on Frequency:2.427 GHz (Channel 4) 7 APs on Frequency:2.437 GHz (Channel 6) 1 APs on Frequency:2.457 GHz (Channel 10) 1 APs on Frequency:2.462 GHz (Channel 11)
eth0 Interface doesn't support scanning. lo Interface doesn't support scanning.
wlan0 Scan completed : Cell 01 - Address: Channel:2 Frequency:2.417 GHz (Channel 2) Quality=60/70 Signal level=-50 dBm Encryption key:on ESSID:"Router 2: Electric Boogaloo" 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=0000000226ee9d93 Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 02 - Address: Channel:1 Frequency:2.412 GHz (Channel 1) Quality=44/70 Signal level=-66 dBm Encryption key:on ESSID:"Mcchacko-2G" 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=00000051d26350a2 Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 03 - Address: Channel:1 Frequency:2.412 GHz (Channel 1) Quality=48/70 Signal level=-62 dBm Encryption key:on ESSID:"Wellfords" 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=00000000bfdb08ba Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Cell 04 - Address: Channel:4 Frequency:2.427 GHz (Channel 4) Quality=58/70 Signal level=-52 dBm Encryption key:on ESSID:"Lucille" 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=0000001d3ad33a1d Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Cell 05 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=44/70 Signal level=-66 dBm Encryption key:on ESSID:"RubyWillow" 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=000000d59bbc1370 Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Cell 06 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=50/70 Signal level=-60 dBm Encryption key:on ESSID:"NETGEAR65" 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=000002fda7d406be Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 07 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=32/70 Signal level=-78 dBm Encryption key:on ESSID:"luna" 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=0000000007386e99 Extra: Last beacon: 692ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Cell 08 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=53/70 Signal level=-57 dBm Encryption key:on ESSID:"DG1670A82" 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=000002913cbce2ae Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 09 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=41/70 Signal level=-69 dBm Encryption key:on ESSID:"DIRECT-roku-900" Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=000001bb4835fa76 Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 10 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=44/70 Signal level=-66 dBm Encryption key:off ESSID:"RubyWillow-guest" 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=000000d59bbc2e70 Extra: Last beacon: 44ms ago Cell 11 - Address: Channel:6 Frequency:2.437 GHz (Channel 6) Quality=36/70 Signal level=-74 dBm Encryption key:on ESSID:"B4R87" 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=00000077da1f65f7 Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 12 - Address: Channel:10 Frequency:2.457 GHz (Channel 10) Quality=24/70 Signal level=-86 dBm Encryption key:on ESSID:"Trust but Verify 2" 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=0000002b08ecdcda Extra: Last beacon: 480ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Cell 13 - Address: Channel:11 Frequency:2.462 GHz (Channel 11) Quality=30/70 Signal level=-80 dBm Encryption key:on ESSID:"cheeky" 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=000001c711ca046e Extra: Last beacon: 44ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK
##### module infos ######################
[iwldvm] filename: /lib/modules/3.13.0-36-generic/kernel/drivers/net/wireless/iwlwifi/dvm/iwldvm.ko license: GPL author: Copyright(c) 2003-2013 Intel Corporation version: in-tree: description: Intel(R) Wireless WiFi Link AGN driver for Linux srcversion: CC4D1BA11C1EF73A6ABDE53 depends: iwlwifi,mac80211,cfg80211 intree: Y vermagic: 3.13.0-36-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 38:F3:B6:C6:3A:85:AF:FD:FB:BE:0E:53:33:9D:F8:E0:C6:B6:C9:D5 sig_hashalgo: sha512
[mac80211] filename: /lib/modules/3.13.0-36-generic/kernel/net/mac80211/mac80211.ko license: GPL description: IEEE 802.11 subsystem srcversion: B822641624778B987844F6F depends: cfg80211 intree: Y vermagic: 3.13.0-36-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 38:F3:B6:C6:3A:85:AF:FD:FB:BE:0E:53:33:9D:F8:E0:C6:B6:C9:D5 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)
[iwlwifi] filename: /lib/modules/3.13.0-36-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko license: GPL author: Copyright(c) 2003-2013 Intel Corporation version: in-tree: description: Intel(R) Wireless WiFi driver for Linux firmware: iwlwifi-100-5.ucode firmware: iwlwifi-1000-5.ucode firmware: iwlwifi-135-6.ucode firmware: iwlwifi-105-6.ucode firmware: iwlwifi-2030-6.ucode firmware: iwlwifi-2000-6.ucode firmware: iwlwifi-5150-2.ucode firmware: iwlwifi-5000-5.ucode firmware: iwlwifi-6000g2b-6.ucode firmware: iwlwifi-6000g2a-5.ucode firmware: iwlwifi-6050-5.ucode firmware: iwlwifi-6000-4.ucode firmware: iwlwifi-7265-7.ucode firmware: iwlwifi-3160-7.ucode firmware: iwlwifi-7260-7.ucode srcversion: C2D0F3DFCA289585C100E36 depends: cfg80211 intree: Y vermagic: 3.13.0-36-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 38:F3:B6:C6:3A:85:AF:FD:FB:BE:0E:53:33:9D:F8:E0:C6:B6:C9:D5 sig_hashalgo: sha512 parm: swcrypto:using crypto in software (default 0 [hardware]) (int) parm: 11n_disable:disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX (uint) parm: amsdu_size_8K:enable 8K amsdu size (default 0) (int) parm: fw_restart:restart firmware in case of error (default true) (bool) parm: antenna_coupling:specify antenna coupling in dB (defualt: 0 dB) (int) parm: wd_disable:Disable stuck queue watchdog timer 0=system default, 1=disable, 2=enable (default: 0) (int) parm: nvm_file:NVM file name (charp) parm: bt_coex_active:enable wifi/bt co-exist (default: enable) (bool) parm: led_mode:0=system default, 1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0) (int) parm: power_save:enable WiFi power management (default: disable) (bool) parm: power_level:default power save level (range from 1 - 5, default: 1) (int)
[cfg80211] filename: /lib/modules/3.13.0-36-generic/kernel/net/wireless/cfg80211.ko description: wireless configuration support license: GPL author: Johannes Berg srcversion: C2478077E22138832B71659 depends: intree: Y vermagic: 3.13.0-36-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 38:F3:B6:C6:3A:85:AF:FD:FB:BE:0E:53:33:9D:F8:E0:C6:B6:C9:D5 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 #################
[mac80211] beacon_loss_count: 7 ieee80211_default_rc_algo: minstrel_ht max_nullfunc_tries: 2 max_probe_tries: 5 probe_wait_ms: 500
[iwlwifi] 11n_disable: 0 amsdu_size_8K: 0 antenna_coupling: 0 bt_coex_active: Y fw_restart: Y led_mode: 0 nvm_file: (null) power_level: 0 power_save: N swcrypto: 0 wd_disable: 1
[cfg80211] cfg80211_disable_40mhz_24ghz: N ieee80211_regdom: 00
##### /etc/modules ###################### lp rtc
##### 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 ##########################
[/etc/pm/power.d/wireless] (755 root) /sbin/iwconfig wlan0 power off
##### udev rules ########################
[/etc/udev/rules.d/70-persistent-net.rules] # PCI device 0x10ec:0x8168 (r8169) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x8086:0x0887 (iwlwifi) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
##### dmesg #############################
[ 6007.775779] iwlwifi 0000:02:00.0: RF_KILL bit toggled to enable radio. [ 6011.128079] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S [ 6011.136901] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0 [ 6011.203681] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 6012.329356] wlan0: authenticate with [ 6012.334173] wlan0: send auth to (try 1/3) [ 6012.336306] wlan0: authenticated [ 6012.336744] wlan0: associate with (try 1/3) [ 6012.341336] wlan0: RX AssocResp from (capab=0x431 status=0 aid=3) [ 6012.364839] wlan0: associated [ 6012.364893] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 6012.384107] wlan0: deauthenticating from by local choice (reason=2) [ 6012.408121] wlan0: authenticate with [ 6012.412092] wlan0: send auth to (try 1/3) [ 6012.414214] wlan0: authenticated [ 6012.416765] wlan0: associate with (try 1/3) [ 6012.421359] wlan0: RX AssocResp from (capab=0x431 status=0 aid=3) [ 6012.443977] wlan0: associated
########## wireless info END ############
/var/log目录下的日志文件吗？尝试运行grep NetworkManager /var/log/syslog*命令，并花些时间理解这些消息后再回复。另外，请阅读屏幕右侧的“相关问题”。 - waltinator