Gau*_*rav 8 dual-boot wireless networking uefi 16.04
我有一台 hp 15-ac110tx，在 UEFI 模式下使用 Ubuntu 和 Windows 10 双启动，关闭安全启动。所有的东西都是最新的更新和升级。但是wifi经常断线。
此命令的输出：
wget -N -t 5 -T 10 https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info && \ chmod +x wireless-info && \ ./wireless-info
如下：
########## wireless info START ##########
Report from: 11 Jul 2016 23:02 IST +0530
Booted last: 11 Jul 2016 00:00 IST +0530
Script from: 08 Jul 2016 02:16 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:80c2]
Kernel driver in use: r8169
13:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]
Kernel driver in use: rtl8723be
##### lsusb #############################
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 05c8:0382 Cheng Uei Precision Industry Co., Ltd (Foxlink)
Bus 001 Device 002: ID 0bda:b006 Realtek Semiconductor Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
rtl8723be 135168 0
btcoexist 180224 1 rtl8723be
rtl_pci 40960 1 rtl8723be
rtlwifi 102400 3 btcoexist,rtl_pci,rtl8723be
mac80211 737280 3 rtl_pci,rtlwifi,rtl8723be
snd_soc_rt286 36864 0
cfg80211 565248 2 mac80211,rtlwifi
snd_soc_rl6347a 16384 1 snd_soc_rt286
snd_soc_core 212992 2 snd_soc_ssm4567,snd_soc_rt286
snd_pcm 106496 7 snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_soc_rt286,snd_pcm_dmaengine,snd_hda_core
wmi 20480 1 hp_wmi
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp7s0 Link encap:Ethernet HWaddr <MAC 'enp7s0' [IF1]>
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:68 errors:0 dropped:0 overruns:0 frame:0
TX packets:126 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:9462 (9.4 KB) TX bytes:13253 (13.2 KB)
wlp19s0 Link encap:Ethernet HWaddr <MAC 'wlp19s0' [IF2]>
inet addr:192.168.1.6 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::bc71:687e:d996:1657/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3882 errors:0 dropped:0 overruns:0 frame:0
TX packets:4075 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2712625 (2.7 MB) TX bytes:1000401 (1.0 MB)
##### iwconfig ##########################
enp7s0 no wireless extensions.
lo no wireless extensions.
wlp19s0 IEEE 802.11bgn ESSID:"BRIJ RAJ"
Mode:Managed Frequency:2.462 GHz Access Point: <MAC 'BRIJ RAJ' [AC1]>
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=48/70 Signal level=-62 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1584 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 600 0 0 wlp19s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlp19s0
192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlp19s0
##### resolv.conf #######################
nameserver 127.0.1.1
search domain.name
##### network managers ##################
Installed:
NetworkManager
Running:
root 747 1 0 22:56 ? 00:00:01 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: wlp19s0
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8723BE PCIe Wireless Network Adapter
GENERAL.DRIVER: rtl8723be
GENERAL.DRIVER-VERSION: 4.4.0-28-generic
GENERAL.FIRMWARE-VERSION: N/A
GENERAL.HWADDR: <MAC 'wlp19s0' [IF2]>
GENERAL.MTU: 0
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.5/0000:13:00.0/net/wlp19s0
GENERAL.IP-IFACE: wlp19s0
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: BRIJ RAJ
GENERAL.CON-UUID: ea93de0a-5e76-4bb1-b2b8-68451675dc58
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: 72 Mb/s
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/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: ea93de0a-5e76-4bb1-b2b8-68451675dc58 | BRIJ RAJ
IP4.ADDRESS[1]: 192.168.1.6/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 202.56.215.54
IP4.DNS[2]: 202.56.215.55
IP4.DOMAIN[1]: domain.name
DHCP4.OPTION[1]: requested_routers = 1
DHCP4.OPTION[2]: requested_domain_search = 1
DHCP4.OPTION[3]: requested_time_offset = 1
DHCP4.OPTION[4]: requested_domain_name = 1
DHCP4.OPTION[5]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[6]: requested_broadcast_address = 1
DHCP4.OPTION[7]: requested_netbios_scope = 1
DHCP4.OPTION[8]: requested_wpad = 1
DHCP4.OPTION[9]: next_server = 0.0.0.0
DHCP4.OPTION[10]: expiry = 1468517198
DHCP4.OPTION[11]: requested_interface_mtu = 1
DHCP4.OPTION[12]: requested_subnet_mask = 1
DHCP4.OPTION[13]: routers = 192.168.1.1
DHCP4.OPTION[14]: dhcp_message_type = 5
DHCP4.OPTION[15]: ip_address = 192.168.1.6
DHCP4.OPTION[16]: requested_static_routes = 1
DHCP4.OPTION[17]: domain_name = domain.name
DHCP4.OPTION[18]: requested_domain_name_servers = 1
DHCP4.OPTION[19]: broadcast_address = 192.168.1.255
DHCP4.OPTION[20]: requested_ntp_servers = 1
DHCP4.OPTION[21]: requested_netbios_name_servers = 1
DHCP4.OPTION[22]: dhcp_lease_time = 259200
DHCP4.OPTION[23]: domain_name_servers = 202.56.215.54 202.56.215.55
DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]: subnet_mask = 255.255.255.0
DHCP4.OPTION[26]: network_number = 192.168.1.0
DHCP4.OPTION[27]: requested_host_name = 1
DHCP4.OPTION[28]: dhcp_server_identifier = 192.168.1.1
IP6.ADDRESS[1]: fe80::bc71:687e:d996:1657/64
IP6.GATEWAY: fe80::bac1:a2ff:fe15:1234
IP6.ROUTE[1]: dst = fe80::bac1:a2ff:fe15:1234/128, nh = ::, mt = 600
GENERAL.DEVICE: enp7s0
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 'enp7s0' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 40 (Carrier/link changed)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.2/0000:07:00.0/net/enp7s0
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: 100 Mb/s
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE *
BRIJ RAJ <MAC 'BRIJ RAJ' [AC1]> Infra 11 2462 MHz 54 Mbit/s 54 ??__ WPA2 yes *
MGMNT <MAC 'MGMNT' [AC2]> Infra 11 2462 MHz 54 Mbit/s 50 ??__ WEP 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/BRIJ RAJ]] (600 root)
[connection] id=BRIJ RAJ | type=wifi | permissions=user:gaurav:;
[wifi] mac-address=<MAC 'wlp19s0' [IF2]> | mac-address-blacklist= | ssid=BRIJ RAJ
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: Asia/Kolkata (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 ###################
enp7s0 no frequency information.
lo no frequency information.
wlp19s0 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:2.462 GHz (Channel 11)
##### iwlist scan #######################
enp7s0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
Channel occupancy:
2 APs on Frequency:2.462 GHz (Channel 11)
wlp19s0 Scan completed :
Cell 01 - Address: <MAC 'BRIJ RAJ' [AC1]>
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=46/70 Signal level=-64 dBm
Encryption key:on
ESSID:"BRIJ RAJ"
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=0000000757aa63bb
Extra: Last beacon: 32ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Cell 02 - Address: <MAC 'MGMNT' [AC2]>
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=48/70 Signal level=-62 dBm
Encryption key:on
ESSID:"MGMNT"
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=0000000757aa6e31
Extra: Last beacon: 24ms ago
##### module infos ######################
[rtl8723be]
filename: /lib/modules/4.4.0-28-generic/updates/dkms/rtl8723be.ko
firmware: rtlwifi/rtl8723befw.bin
description: Realtek 8723BE 802.11n PCI wireless
license: GPL
author: Realtek WlanFAE <wlanfae@realtek.com>
author: PageHe <page_he@realsil.com.cn>
srcversion: 00619764255210776FAB54D
depends: rtlwifi,rtl_pci,btcoexist,mac80211
vermagic: 4.4.0-28-generic SMP mod_unload modversions
parm: swlps:bool
parm: swenc:using hardware crypto (default 0 [hardware])
(bool)
parm: ips:using no link power save (default 1 is open)
(bool)
parm: fwlps:using linked fw control power save (default 1 is open)
(bool)
parm: msi:Set to 1 to use MSI interrupts mode (default 0)
(bool)
parm: debug:Set debug level (0-5) (default 0) (int)
parm: disable_watchdog:Set to 1 to disable the watchdog (default 0)
(bool)
parm: ant_sel:Set to 1 or 2 to force antenna number (default 0)
(int)
[rtl_pci]
filename: /lib/modules/4.4.0-28-generic/updates/dkms/rtl_pci.ko
description: PCI basic driver for rtlwifi
license: GPL
author: Larry Finger <Larry.FInger@lwfinger.net>
author: Realtek WlanFAE <wlanfae@realtek.com>
author: lizhaoming <chaoming_li@realsil.com.cn>
srcversion: 8552A7BAFD0FCC2C41CF075
depends: mac80211,rtlwifi
vermagic: 4.4.0-28-generic SMP mod_unload modversions
[rtlwifi]
filename: /lib/modules/4.4.0-28-generic/updates/dkms/rtlwifi.ko
description: Realtek 802.11n PCI wireless core
license: GPL
author: Larry Finger <Larry.FInger@lwfinger.net>
author: Realtek WlanFAE <
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