最近使用ubuntu12.10 本子是宏基AS4750G-2452G50Mnkk。碰到无线网卡死机问题。使用一段时间不定时死机，鼠标键盘全部无效，非常伤本子，只能硬关机。
报错如下：
Jul 10 12:05:26 wulong kernel: [ 710.137443] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
Jul 10 12:05:26 wulong kernel: [ 710.137484] ath: phy0: Could not stop RX, we could be confusing the DMA engine when we start RX up
Jul 10 12:05:26 wulong kernel: [ 710.204606] ath: phy0: Failed to stop TX DMA, queues=0x10f!
Jul 10 12:05:26 wulong kernel: [ 710.321712] ath: phy0: Chip reset failed
Jul 10 12:05:26 wulong kernel: [ 710.321720] ath: phy0: Unable to reset channel, reset status -22
Jul 10 12:05:26 wulong kernel: [ 710.321767] ath: phy0: Unable to set channel
Jul 10 12:05:26 wulong kernel: [ 710.335351] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
Jul 10 12:05:26 wulong kernel: [ 710.335388] ath: phy0: Could not stop RX, we could be confusing the DMA engine when we start RX up
Jul 10 12:05:27 wulong kernel: [ 710.402405] ath: phy0: Failed to stop TX DMA, queues=0x10f!
Jul 10 12:05:27 wulong kernel: [ 710.520024] ath: phy0: Chip reset failed
尝试解决：
第一种方法：安装compat-wireless
下载地址：http://drvbp1.linux-foundation.org/~mcgrof/rel-html/backports/
我下载compat-drivers-3.7.9-1.tar.bz2，
解压缩
# tar -xjvf compat-drivers-3.7.9-1.tar.bz2
进入：
# cd compat-drivers-3.7.9-1
编译
#make
安装
#make install
安装结果是
Running iwl-enable iwlagn...
2 iwl4965 modules found we'll disable all of them
Disabling iwl4965 (1) ...[ERROR] Module is still being detected:
kernel/drivers/net/wireless/iwlegacy/iwl4965.ko
Disabling iwl4965 (2) ... [OK]
Module disabled:
kernel/drivers/net/wireless/iwlegacy/iwl4965.ko
depmod will prefer updates/ over kernel/ -- OK!
Now run:
sudo make unload to unload all: wireless, bluetooth and ethernet modules
sudo make wlunload to unload wireless modules
sudo make btunload to unload bluetooth modules
Run sudo modprobe driver-name to load your desired driver.
If unsure reboot.
root@wulong:/home/wulong/Downloads/compat-drivers-3.7.9-1#
搞不清意思。
#apt-get update
#apt-get upgrade
在写这段文字的过程中，死机两次。挺烂的。见到网上有人问的时候，下面一些装逼小白回答是：”死机是要看人的，不是因为linux不好用，是用的人能力不到家，要调教“。装逼犯啊。系统装上之后就死机，这说明linux的ubuntu版本确实有问题，这和能力有关系吗？是用linux来开发别的产品，不是为了折腾linux。我虽然在用这个东西，但使用容易程度和稳定性能上，ubuntu和fedora比windows还差很远。
ubuntu12.04断网后忽然死机解决方法：http://www.linuxdiyf.com/linux/13965.html
怎样处理Linux死机：http://www.linuxdiyf.com/linux/62.html
linux操作系统死机处理办法详细解析：http://www.linuxdiyf.com/linux/362.html
详解Linux死机后的安全重启：http://www.linuxdiyf.com/linux/338.html