ubuntu频繁断网

[akib]

刚开机可以连上wifi和网络，但每间隔5-10分钟就无法正常上网，其间用chrome打开网页显示未连接到互联网 DNS_PROBE_FINSHED_NO_INTERNET
再过几分钟又可以打开网页。

[vickycq]

在“无法正常上网”的情况下，执行以下指令将结果全部复制贴上来

代码： 全选

uname -a
cat /etc/issue
sudo lshw -numeric -C net
sudo cat /etc/resolv.conf
sudo ls -l /etc/resolv.conf
sudo cat /etc/NetworkManager/NetworkManager.conf
ping -c2 114.114.114.114
ping -c2 www.sohu.com
wget https://mirrors.ustc.edu.cn/ubuntu/dists/artful/Release

[akib]

代码： 全选

whale@whale-X:~$ uname -a
Linux whale-X 4.10.0-28-generic #32~16.04.2-Ubuntu SMP Thu Jul 20 10:19:48 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
whale@whale-X:~$ cat /etc/issue
Ubuntu 16.04.3 LTS \n \l

whale@whale-X:~$ sudo lshw -numeric -C net
  *-network               
       description: Wireless interface
       product: RTL8821AE 802.11ac PCIe Wireless Network Adapter [10EC:8821]
       vendor: Realtek Semiconductor Co., Ltd. [10EC]
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlp2s0
       version: 00
       serial: b0:c0:90:6d:74:91
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtl8821ae driverversion=4.10.0-28-generic firmware=N/A ip=192.168.2.224 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:128 ioport:d000(size=256) memory:df200000-df203fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10EC:8168]
       vendor: Realtek Semiconductor Co., Ltd. [10EC]
       physical id: 0.1
       bus info: pci@0000:03:00.1
       logical name: enp3s0f1
       version: 12
       serial: 34:97:f6:bf:95:df
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: 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=rtl8411-2_0.0.1 07/08/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:126 ioport:c000(size=256) memory:df114000-df114fff memory:df110000-df113fff
whale@whale-X:~$ sudo cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
search lan
whale@whale-X:~$ sudo ls -l /etc/resolv.conf
lrwxrwxrwx 1 root root 29 5月  13 12:56 /etc/resolv.conf -> ../run/resolvconf/resolv.conf
whale@whale-X:~$ sudo cat /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq

[ifupdown]
managed=false
whale@whale-X:~$ ping -c2 114.114.114.114
PING 114.114.114.114 (114.114.114.114) 56(84) bytes of data.

--- 114.114.114.114 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1028ms

whale@whale-X:~$ ping -c2 www.sohu.com
ping: unknown host www.sohu.com
whale@whale-X:~$ wget https://mirrors.ustc.edu.cn/ubuntu/dists/artful/Release
--2017-08-10 16:16:42--  https://mirrors.ustc.edu.cn/ubuntu/dists/artful/Release
正在解析主机 mirrors.ustc.edu.cn (mirrors.ustc.edu.cn)... d失败：域名解析暂时失败。
wget: 无法解析主机地址 “mirrors.ustc.edu.cn”

[vickycq]

研究一下编译这个驱动 试试
https://github.com/lwfinger/rtlwifi_new

[onlylove]

这个比我前几天强点，我前几天直接是ip地址被释放

[akib]

问题已经解决了　谢谢帮助