无法连接到无线,直到重新启动(nl80211)

无法连接到无线,直到重新启动(nl80211)

我正在使用三星 NP900X3C。

使用 Ubuntu 12.10 时,我偶尔会遇到连接 WIFI 的问题。有时我的电脑无法连接到 WIFI“blab”,重启电脑后也无法连接。

唯一的解决办法是重启WIFI热点。这是公共WIFI,很多用户都在用,不存在这个问题。

我的/var/log/syslog

 Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:09:39 k15 kernel: [    8.908610] wlan0: authenticate with 64:70:02:89:7c:d7
 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating
 Nov 12 10:09:39 k15 kernel: [    8.915032] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3)
 Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:09:39 k15 kernel: [    8.916753] wlan0: authenticated
 Nov 12 10:09:39 k15 kernel: [    8.916839] wlan0: waiting for beacon from 64:70:02:89:7c:d7
 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating
 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected
 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning
 Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:09:42 k15 kernel: [   12.386212] wlan0: authenticate with 64:70:02:89:7c:d7
 Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:09:42 k15 kernel: [   12.389114] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3)
 Nov 12 10:09:42 k15 kernel: [   12.391021] wlan0: authenticated
 Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating
 Nov 12 10:09:42 k15 kernel: [   12.391332] wlan0: waiting for beacon from 64:70:02:89:7c:d7
 Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating
 Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected
 Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning
 Nov 12 10:09:46 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)

重启 WiFi 后,我可以连接:

 Nov 12 10:11:51 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: inactive -> scanning
 Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:11:55 k15 kernel: [  144.445154] wlan0: authenticate with 64:70:02:89:7c:d7
 Nov 12 10:11:55 k15 kernel: [  144.453994] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3)
 Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz)
 Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating
 Nov 12 10:11:55 k15 kernel: [  144.455860] wlan0: authenticated
 Nov 12 10:11:55 k15 kernel: [  144.458681] wlan0: associate with 64:70:02:89:7c:d7 (try 1/3)
 Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating
 Nov 12 10:11:55 k15 kernel: [  144.462799] wlan0: RX AssocResp from 64:70:02:89:7c:d7 (capab=0x431 status=0 aid=9)
 Nov 12 10:11:55 k15 kernel: [  144.486368] wlan0: associated
 Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Associated with 64:70:02:89:7c:d7
 Nov 12 10:11:55 k15 kernel: [  144.487435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
 Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> associated
 Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associated -> 4-way handshake

这个问题经常出现。

我的WiFi设备控制是nl80211。

 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): using nl80211 for WiFi device control
 Nov 12 10:09:32 k15 NetworkManager[1004]: <warn> (wlan0): driver supports Access Point (AP) mode
 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 3)
 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/0
 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): now managed
 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): bringing up device. 

答案1

请安装以下程序,我希望它能起作用

Wicd 网络管理器

请告诉我它是否有效

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