Ubuntu 體驗（Linux Kernel 2.6.38-9）無線網卡驅動問題

升級Ubuntu 11.04後一直搜索不到無線網絡，用自帶的驅動無法工作，也試過好多方法，自己編譯wl，還是失敗。

最後解決方法

Add a "contrib" component to /etc/apt/sources.list, for example:

1. # Debian Squeeze/6.0
2. deb http://ftp.us.debian.org/debian squeeze main contrib non-free

Update the list of available packages and install the wireless-tools package:

1. sudo apt-get update
2. sudo apt-get install wireless-tools

Install the appropriate firmware installer package:

For 802.11b/g devices with a BCM4306 revision 3, BCM4311 or BCM4318 chipset, install firmware-b43-installer:

1. sudo apt-get install firmware-b43-installer

For 802.11b/g devices with a BCM4312 LP-PHY chipset (PCI-ID 14E4:4315), install firmware-b43-lpphy-installer:

1. sudo apt-get install firmware-b43-lpphy-installer

The necessary kernel module should be automatically loaded.

當然你自己可以加載

sudo modprobe b43

OK,無線網絡的指示燈亮了，驅動安裝成功！

注：如果開機無線模塊不自動加載，可以在配置文件/etc/modules中加入

b43