无线接口停止工作，netcfg报告没有找到网络。

Question

我的Arch安装经常出现问题:无线将工作几分钟，然后随机死亡。当我试图通过无线菜单重新启动它时，我被告知没有任何网络。

 > sudo wifi-menu
:: Scanning for networks                                                [FAILED] 
 > No networks found

直接运行netcfg，我得到：

sudo netcfg wlan0-2WIRE555
:: wlan0-2WIRE555 up                  [ BUSY ] Successfully initialized wpa_supplicant
Could not set interface wlan0 flags (UP): Connection timed out
nl80211: Could not set interface 'wlan0' UP
Could not set interface wlan0 flags (UP): Connection timed out
WEXT: Could not set interface 'wlan0' UP
wlan0: Failed to initialize driver interface
> wpa_supplicant did not start, possible configuration error

lspci的输出是：

~ > lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 06)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev ff)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)

每次发生这种情况，我都要重新启动才能让互联网正常工作。我是否可以使用systemd命令手动重新启动它？我能永久解决这个问题吗？

Answer 1

我没有Centrino芯片组的机器，但是我在笔记本电脑上运行了Arch，我试验了很多无线网卡和驱动程序。

稍微谷歌一下，我就会发现：

• Ubuntu的人怀疑可能是固件错误.
• Arch linux给出了一个驱动参数来尝试。
• Centrino的最新固件可以在这里获得.

看起来有些笔记本电脑也有一个外部无线开关。确保它是“打开”。