acer(宏基) Aspire E1-472G ubuntu-12.04下安装无线网卡驱动

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本人前阶段时间买了个比较实惠的笔记本电脑acer(宏基) Aspire E1-472G，自带linux操作系统，由于工作需要便把操作系统换成了ubuntu12.04，但一直苦于没有无线网卡驱动。今天终于把这个问题给解决了，方法如下：

1，查看无线网卡型号：

~$ lspci -vnn | grep Wireless

我的无线网卡是：

02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)

2.安装linux-headers-generic 和 build-essential

~$ sudo apt-get install linux-headers-generic build-essential

3.下载驱动文件并安装：

~$ sudo -i wget https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v3.9-rc4/compat-drivers-3.9-rc4-2-s.tar.bz2~$ tar xvf compat-drivers-3.9-rc4-2-s.tar.bz2~$ cd compat-drivers-3.9-rc4-2-s/~$ ./scripts/driver-select ath9k~$ make然后发现报错了：./scripts/gen-compat-autoconf.sh /home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/.config /home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/config.mk > include/linux/compat_autoconf.hmake -C /lib/modules/3.2.0-77-generic/build M=/home/renjie/Downloads/compat-drivers-3.9-rc4-2-s modulesmake[1]: 正在进入目录 `/usr/src/linux-headers-3.2.0-77-generic'  CC [M]  /home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/compat/main.oIn file included from /home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/include/linux/compat-2.6.h:71:0,                 from <命令行>:0:/home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/include/linux/compat-3.8.h:49:32: 错误： ‘kref_get_unless_zero’重定义include/linux/kref.h:47:32: 附注： ‘kref_get_unless_zero’的上一个定义在此make[3]: *** [/home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/compat/main.o] 错误 1make[2]: *** [/home/renjie/Downloads/compat-drivers-3.9-rc4-2-s/compat] 错误 2make[1]: *** [_module_/home/renjie/Downloads/compat-drivers-3.9-rc4-2-s] 错误 2make[1]:正在离开目录 `/usr/src/linux-headers-3.2.0-77-generic'make: *** [modules] 错误 2错误解决：打开include/linux/compat-3.8.h，找到第49行：static inline int __must_check kref_get_unless_zero(struct kref *kref)      {     return atomic_add_unless(&kref->refcount, 1, 0);}注释掉这个函数：/*static inline int __must_check kref_get_unless_zero(struct kref *kref)      {     return atomic_add_unless(&kref->refcount, 1, 0);}*/
接下来继续，

~$ make~$ make install~$ modprobe ath9k然后你就会发现无线网卡可以用了（如果不行重启机器试试）。详情可参考：http://askubuntu.com/questions/215498/how-to-install-qualcomm-atheros-ar9565-wireless-drivers

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