我是 Ubuntu 新手。几个月前我安装了 LXLE(Ubuntu 14.04)。它变得越来越慢。所以我升级到了 16.04。但在启动 16.04 时,它没有完成启动,而是在尝试连接 WiFi 时卡住了。通过不断按下电源按钮,LXLE 桌面终于启动了 16.04,但网络中断/离线,显示错误消息:VBoxClient:虚拟 Box 内核服务器未运行。
我运行iwconfig
后得到以下结果:
wlan0:
IEEE 802.11bg ; 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
l0: no wireless extensions.
eth0: no wireless extensions.
(Note: "eth0" is the ethernet logical name. I did not have ethernet cable connected.)
当我运行时sudo lshw -class network
,我得到了以下返回:
- Network
description: wireless interface
product: AR242x / AR542x Wireless Network Adapter (PCI-Express)
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlan0
version: 01
serial: 00:24:2c:3f:5f:3c
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus master cap_list ethernet physical wireless
configuration: boradcast=yes ; driver=ath5k ; driverversion=4.4.0-58-generic ; firmware=N/A ; latency=0 ; link=no ; multicast=yes ; wireless=IEEE 802.11bg
resources: irq:16 memory:55100000-5510ffff
我尝试运行了几次sudo service network-manager restart
。它似乎连接到了我的 WiFi,但只持续了 3 或 4 秒,然后就断线了。
该计算机是一台旧上网本:Acer 型号 KAV60。微处理器:Atom N270 @1.6GHz,总线:533MHz RAM:1014MB
lspci -knn | grep Net -A2
返回:
01:00.0 Ethernet Controller [0200]: Qualcom Atheros AR242x / AR542x Wireless Network Adapter (PCI-Express) [168c:001c] (rev 01)
Subsystem: Foxconn International, Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) [165b:e00d]
Kernel driver in use: ath5k
kernel module: ath5k
rfkill list all
返回:
0: phy 0: Wireless LAN
Soft blocked: no ; Hard blocked: no
1: acer-wireless: Wireless LAN
Soft blocked: no ; Hard blocked: no
`dmesg | tail -n3" 返回:
[307.436528] IPv6: ADDRCONF (NETDEV_UP): wlan0: link is not ready.
[307.464360] IPv6: ADDRCONF (NETDEV_UP): wlan0: link is not ready.
[307.612171] IPv6: ADDRCONF (NETDEV_UP): wlan0: link is not ready.
dkms status
返回:
Virtualbox-guest, 5.0.24, 4.4.0-58-generic, i686: installed
希望以上附加信息有助于识别问题。非常感谢。
我很抱歉,我必须输入上述信息而不是从终端复制,因为桌面屏幕一直变黑。
答案1
将模块列入黑名单acer-wmi
:
echo blacklist acer-wmi | sudo tee -a /etc/modprobe.d/blacklist-acer-wmi.conf
重新加载驱动程序:
sudo modprobe -rfv ath5k
sudo modprobe -v ath5k
答案2
当我为 wifi 适配器提供一个具有良好 DNS 的手动地址时,我的网络管理器问题得到了解决。在此之前,所有可用的无线路由器均未显示,并且在重新启动时,没有 DNS 服务器写入 /etc/resolv.conf