我使用 Ubuntu 已经有几个月了，到目前为止一切都还好。当我尝试连接时，需要很长时间，然后断开连接。我尝试了sudo service network-manager restart其他一些网站告诉我这只是一个临时解决方案，但什么也没发生。每次我关闭笔记本电脑时，它都会丢失连接，但这并没有困扰我，问题开始于我打开笔记本电脑时，我意识到 wifi 正在连接，所以我重新启动进入 Windows 并玩游戏，但当我回到 Ubuntu 时，它仍然无法连接。
信息
*-network
description: Wireless interface
product: RT5390 Wireless 802.11n 1T/1R PCIe
vendor: Ralink corp.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 00
serial: 9c:d2:1e:8a:b2:b6
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=4.4.14-040414-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:f7d00000-f7d0ffff
更新 2
########## wireless info START ##########
Report from: 20 Jul 2017 19:31 EDT -0400
Booted last: 20 Jul 2017 00:00 EDT -0400
Script from: 25 Mar 2017 07:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.4.14-040414-generic #201606241434 SMP Fri Jun 24 18:36:45 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash
##### desktop ###########################
Ubuntu
##### lspci #############################
libkmod: ERROR ../libkmod/libkmod-config.c:635 kmod_config_parse: /etc/modprobe.d/ath9k.conf line 1: ignoring bad line starting with 'option'
02:00.0 Network controller [0280]: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe [1814:5390]
Subsystem: Foxconn International, Inc. RT5390 Wireless 802.11n 1T/1R PCIe [105b:e054]
Kernel driver in use: rt2800pci
03:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 06)
Subsystem: ASUSTeK Computer Inc. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [1043:200f]
Kernel driver in use: r8169
##### lsusb #############################
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 003: ID 04f2:b404 Chicony Electronics Co., Ltd
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 046d:c52f Logitech, Inc. Unifying Receiver
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
1: asus-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
asus_nb_wmi 24576 0
asus_wmi 28672 1 asus_nb_wmi
sparse_keymap 16384 1 asus_wmi
rt2800pci 16384 0
rt2800mmio 20480 1 rt2800pci
rt2800lib 94208 2 rt2800pci,rt2800mmio
rt2x00pci 16384 1 rt2800pci
rt2x00mmio 16384 2 rt2800pci,rt2800mmio
rt2x00lib 57344 5 rt2x00pci,rt2800lib,rt2800pci,rt2800mmio,rt2x00mmio
mac80211 737280 3 rt2x00lib,rt2x00pci,rt2800lib
cfg80211 565248 2 mac80211,rt2x00lib
eeprom_93cx6 16384 1 rt2800pci
crc_ccitt 16384 1 rt2800lib
wmi 20480 1 asus_wmi
video 40960 2 i915,asus_wmi
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp3s0f2 Link encap:Ethernet HWaddr <MAC 'enp3s0f2' [IF1]>
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)
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:1780 errors:0 dropped:0 overruns:0 frame:0
TX packets:1780 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:132032 (132.0 KB) TX bytes:132032 (132.0 KB)
wlp2s0 Link encap:Ethernet HWaddr <MAC 'wlp2s0' [IF2]>
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)
##### iwconfig ##########################
lo no wireless extensions.
enp3s0f2 no wireless extensions.
wlp2s0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
##### resolv.conf #######################
##### network managers ##################
Installed:
NetworkManager
Running:
root 807 1 0 19:26 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: wlp2s0
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.VENDOR: Ralink corp.
GENERAL.PRODUCT: RT5390 Wireless 802.11n 1T/1R PCIe
GENERAL.DRIVER: rt2800pci
GENERAL.DRIVER-VERSION: 4.4.14-040414-generic
GENERAL.FIRMWARE-VERSION: N/A
GENERAL.HWADDR: <MAC 'wlp2s0' [IF2]>
GENERAL.MTU: 0
GENERAL.STATE: 30 (disconnected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/net/wlp2s0
GENERAL.IP-IFACE:
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: yes
WIFI-PROPERTIES.ADHOC: yes
WIFI-PROPERTIES.2GHZ: yes
WIFI-PROPERTIES.5GHZ: no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: abcee2e1-a48d-4b4e-a97a-a36db4b3a202 | dlink-F3BF 1
GENERAL.DEVICE: enp3s0f2
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: <MAC 'enp3s0f2' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.2/net/enp3s0f2
GENERAL.IP-IFACE:
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE *
dlink-F3BF <MAC 'dlink-F3BF' [AN1]> Infra 1 2412 MHz 54 Mbit/s 82 ▂▄▆█ WPA1 WPA2 no
DIRECT-54-HP ENVY 7640 series <MAC 'DIRECT-54-HP ENVY 7640 series' [AN2]> Infra 6 2437 MHz 54 Mbit/s 59 â–‚â–„â–†_ WPA2 no
Rogers75557 <MAC 'Rogers75557' [AN3]> Infra 9 2452 MHz 54 Mbit/s 55 â–‚â–„__ WPA1 WPA2 no
Execulink193f <MAC 'Execulink193f' [AN4]> Infra 11 2462 MHz 54 Mbit/s 49 â–‚â–„__ WPA2 no
A6IIFR6C <MAC 'A6IIFR6C' [AN5]> Infra 1 2412 MHz 54 Mbit/s 45 â–‚â–„__ WPA2 no
TP-LINK_0383 <MAC 'TP-LINK_0383' [AN6]> Infra 1 2412 MHz 54 Mbit/s 45 â–‚â–„__ WPA1 WPA2 no
Rogers82537 <MAC 'Rogers82537' [AN7]> Infra 6 2437 MHz 54 Mbit/s 45 â–‚â–„__ WPA1 WPA2 no
Chunky Monkey <MAC 'Chunky Monkey' [AN8]> Infra 11 2462 MHz 54 Mbit/s 42 â–‚â–„__ WPA1 WPA2 no
Primus-0e61 <MAC 'Primus-0e61' [AN9]> Infra 6 2437 MHz 54 Mbit/s 39 â–‚â–„__ WPA1 WPA2 no
BELL953 <MAC 'BELL953' [AN10]> Infra 6 2437 MHz 54 Mbit/s 39 â–‚â–„__ WPA2 no
C4A0709C5AD1 <MAC 'C4A0709C5AD1' [AN11]> Infra 1 2412 MHz 54 Mbit/s 35 â–‚â–„__ WPA2 no
-- <MAC '--' [AN12]> Infra 11 2462 MHz 54 Mbit/s 35 â–‚â–„__ WPA1 WPA2 no
NETGEAR <MAC 'NETGEAR' [AN13]> Infra 11 2462 MHz 54 Mbit/s 32 â–‚â–„__ WPA2 no
RogersWifi <MAC 'RogersWifi' [AN14]> Infra 1 2412 MHz 54 Mbit/s 29 â–‚___ WPA2 no
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/dlink-F3BF 1]] (600 root)
[connection] id=dlink-F3BF 1 | type=wifi | permissions=
[wifi] mac-address=<MAC 'wlp2s0' [IF2]> | mac-address-blacklist= | ssid=dlink-F3BF
[ipv4] method=auto
[ipv6] method=auto
[[/etc/NetworkManager/system-connections/dlink-F3BF]] (600 root)
[connection] id=dlink-F3BF | type=wifi | permissions=user:ubuntu:;
[wifi] mac-address=<MAC 'wlp2s0' [IF2]> | mac-address-blacklist= | ssid=dlink-F3BF
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: America/Toronto (based on set time zone)
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 40), (N/A, 20), (N/A), NO-IR
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
lo no frequency information.
enp3s0f2 no frequency information.
wlp2s0 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 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 14 : 2.484 GHz
##### iwlist scan #######################
lo Interface doesn't support scanning.
enp3s0f2 Interface doesn't support scanning.
wlp2s0 Interface doesn't support scanning : Device or resource busy
##### module infos ######################
[rt2800pci]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2800pci.ko
license: GPL
firmware: rt2860.bin
description: Ralink RT2800 PCI & PCMCIA Wireless LAN driver.
version: 2.3.0
author: http://rt2x00.serialmonkey.com
srcversion: 26CCED9E0CE5EFBFA9B8882
depends: rt2x00lib,rt2800lib,rt2800mmio,rt2x00mmio,rt2x00pci,eeprom_93cx6
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
parm: nohwcrypt:Disable hardware encryption. (bool)
[rt2800mmio]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2800mmio.ko
license: GPL
description: rt2800 MMIO library
version: 2.3.0
author: http://rt2x00.serialmonkey.com
srcversion: 01C1A7641505065E52E0388
depends: rt2800lib,rt2x00lib,rt2x00mmio
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
[rt2800lib]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2800lib.ko
license: GPL
description: Ralink RT2800 library
version: 2.3.0
author: http://rt2x00.serialmonkey.com, Bartlomiej Zolnierkiewicz
srcversion: BB9F48B63A82C3FD3E73BAF
depends: rt2x00lib,mac80211,crc-ccitt
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
[rt2x00pci]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2x00pci.ko
license: GPL
description: rt2x00 pci library
version: 2.3.0
author: http://rt2x00.serialmonkey.com
srcversion: 543B84557258F153AC267F0
depends: rt2x00lib,mac80211
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
[rt2x00mmio]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2x00mmio.ko
license: GPL
description: rt2x00 mmio library
version: 2.3.0
author: http://rt2x00.serialmonkey.com
srcversion: ADBE279820CFD0A1081C682
depends: rt2x00lib
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
[rt2x00lib]
filename: /lib/modules/4.4.14-040414-generic/kernel/drivers/net/wireless/rt2x00/rt2x00lib.ko
license: GPL
description: rt2x00 library
version: 2.3.0
author: http://rt2x00.serialmonkey.com
srcversion: 72E39180D883A5541F66494
depends: mac80211,cfg80211
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
[mac80211]
filename: /lib/modules/4.4.14-040414-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 2FFAEED0245CA1D97FE1E44
depends: cfg80211
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
parm: minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
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/4.4.14-040414-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 25A45701AAA64DAC1E47D9D
depends:
intree: Y
vermagic: 4.4.14-040414-generic SMP mod_unload modversions
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 #################
[rt2800pci]
nohwcrypt: N
[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500
[cfg80211]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/ath9k.conf]
option ath9k nohwcrypt=1
[/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/intel-microcode-blacklist.conf]
blacklist microcode
[/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
[/etc/modprobe.d/rt5390.conf]
options rt5390 fwlps=N
##### rc.local ##########################
exit 0
##### pm-utils ##########################
[/etc/pm/config.d/config] (644 root)
SUSPEND_MODULES = "rt5390"
##### udev rules ########################
##### dmesg #############################
[ 14.351040] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5390, rev 1502 detected
[ 14.355283] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 5390 detected
[ 16.215884] rt2800pci 0000:02:00.0 wlp2s0: renamed from wlan0
[ 30.515475] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[ 30.515533] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'
[ 30.780571] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.34
[ 30.905522] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[ 30.911647] IPv6: ADDRCONF(NETDEV_UP): enp3s0f2: link is not ready
[ 31.123072] r8169 0000:03:00.2 enp3s0f2: link down
[ 31.123132] IPv6: ADDRCONF(NETDEV_UP): enp3s0f2: link is not ready
[ 31.839841] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready (repeated 2 times)
########## wireless info END ############