ตั้งแต่การติดตั้ง Ubuntu 14.04 ใหม่ฉันกำลังตัดการเชื่อมต่ออินเทอร์เน็ตหลังจากไม่กี่นาที ฉันกลับมาหลังจากรีบูตหรือปลุกจากโหมดสแตนด์บาย ดูเหมือนว่าจะเป็นปัญหาที่ทราบของไดรเวอร์ไร้สาย Realtek RTL8188CE การทำงานที่สมบูรณ์แบบเดียวกันกับ Ubuntu 12.04
นี่คือรายละเอียด:
uname -a
Linux annika-notebook 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
lspci -nnk | grep -i net -A2
07:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:9181]
Kernel driver in use: rtl8192ce
08:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Subsystem: QUANTA Computer Inc Device [152d:0872]
Kernel driver in use: atl1c
cat / etc / network / interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
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
cat / etc / hosts
127.0.0.1 localhost
127.0.1.1 annika-notebook
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ifconfig -a
eth0 Link encap:Ethernet Hardware Adresse e8:9a:8f:ca:6d:92
UP BROADCAST MULTICAST MTU:1500 Metrik:1
RX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX-Bytes:0 (0.0 B) TX-Bytes:0 (0.0 B)
lo Link encap:Lokale Schleife
inet Adresse:127.0.0.1 Maske:255.0.0.0
inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
UP LOOPBACK RUNNING MTU:65536 Metrik:1
RX-Pakete:11699 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:11699 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX-Bytes:8044499 (8.0 MB) TX-Bytes:8044499 (8.0 MB)
wlan0 Link encap:Ethernet Hardware Adresse 9c:b7:0d:33:fa:cd
inet Adresse:192.168.1.37 Bcast:192.168.1.255 Maske:255.255.255.0
inet6-Adresse: fe80::9eb7:dff:fe33:facd/64 Gültigkeitsbereich:Verbindung
UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1
RX-Pakete:351596 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:216953 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX-Bytes:498072663 (498.0 MB) TX-Bytes:23696977 (23.6 MB)
wlan0 IEEE 802.11bgn ESSID:"UNTEN"
Mode:Managed Frequency:2.462 GHz Access Point: 00:0F:66:E9:D0:A7
Bit Rate=18 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=60/70 Signal level=-50 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:135 Missed beacon:0
wlan0 IEEE 802.11bgn ESSID:"UNTEN"
Mode:Managed Frequency:2.462 GHz Access Point: 00:0F:66:E9:D0:A7
Bit Rate=18 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=60/70 Signal level=-50 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:135 Missed beacon:0
เส้นทาง
Kernel-IP-Routentabelle
Ziel Router 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
cat /var/lib/NetworkManager/NetworkManager.state
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
cat /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
# PCI device 0x1969:0x1083 (atl1c)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:9a:8f:ca:6d:92", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device | sub' -A3
# PCI device 0x1969:0x1083 (atl1c)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="e8:9a:8f:ca:6d:92", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x10ec:0x8176 (rtl8192ce)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="9c:b7:0d:33:fa:cd", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
ฉันเริ่มทำงานได้ดีขึ้นมากหลังจากฉันอัพเกรดเคอร์เนลเสถียรล่าสุด