Wifi随机丢失连接

我在xubuntu 14.10下,我的wifi随机丢失连接。 浏览1小时左右后,我的网络连接将不再起作用,但是仍然连接了wifi。 如果我断开与wifi的连接并再次重新连接,则连接正常。 它似乎没有发生在我使用的任何其他设备上(Android Tablet Nexus 7,OS X)

这是我使用的wireless_script的结果: wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script

结果可以在pastebin上找到: http : //pastebin.com/uwJjz0KP

这是崩溃前的同一个文件: http : //pastebin.com/uu5pmPcs

它们最终似乎是一个重要的区别:

 [ 1305.693454] wlan0: deauthenticating from  by local choice (Reason: 3=DEAUTH_LEAVING) [ 1307.362474] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S [ 1307.370149] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0 [ 1307.437900] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1311.034443] wlan0: authenticate with  [ 1311.038127] wlan0: send auth to  (try 1/3) [ 1311.040783] wlan0: authenticated [ 1311.044134] wlan0: associate with  (try 1/3) [ 1311.048631] wlan0: RX AssocResp from  (capab=0x411 status=0 aid=4) [ 1311.068805] wlan0: associated [ 1311.068842] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 

知道为什么会这样,我怎么能解决它?