Tôi đã cài đặt Ubuntu 15.04 trên máy tính xách tay của mình bằng thẻ Wi-fi RTL8723BE. Nhưng nó luôn luôn ngắt kết nối mạng. Tôi đã cố gắng echo "options rtl8723be fwlps=N ips=N" | sudo tee /etc/modprobe.d/rtl8723be.conf
nhưng điều đó không giúp được gì. Tôi có thể làm gì để ngăn chặn việc ngắt kết nối wifi? Nếu tôi nâng cấp lên kernel 4.X, nó có giúp được không?
~$ lspci -knn | grep Net -A2
09:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company Device [103c:2231]
Kernel driver in use: rtl8723be
~$ rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
~$ ifconfig && iwconfig && route -n && ping -c 1 google.com
eth0 Link encap:Ethernet HWaddr 38:63:bb:cd:4a:7e
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:3 errors:0 dropped:0 overruns:0 frame:0
TX packets:53 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:752 (752.0 B) TX bytes:8445 (8.4 KB)
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:3870 errors:0 dropped:0 overruns:0 frame:0
TX packets:3870 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:314613 (314.6 KB) TX bytes:314613 (314.6 KB)
wlan0 Link encap:Ethernet HWaddr c0:38:96:6d:c4:83
inet addr:192.168.1.205 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::c238:96ff:fe6d:c483/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15240 errors:0 dropped:0 overruns:0 frame:0
TX packets:14627 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:14410285 (14.4 MB) TX bytes:2192744 (2.1 MB)
eth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"DIR-615"
Mode:Managed Frequency:2.437 GHz Access Point: 00:90:4C:08:00:0D
Bit Rate=150 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-22 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:186 Missed beacon:0
lo no wireless extensions.
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 400 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
PING google.com.Dlink (172.26.136.19) 56(84) bytes of data.
64 bytes from 19.136.26.172.in-addr.arpa (172.26.136.19): icmp_seq=1 ttl=249 time=102 ms
--- google.com.Dlink ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 102.547/102.547/102.547/0.000 ms
rfkill list
lệnh.
ifconfig && iwconfig && route -n && ping -c 1 google.com
sudo apt-get install ppa-purge && sudo ppa-purge ppa:hanipouspilot/rtlwifi
.
lspci -knn | grep Net -A2
lệnh đầu cuối.