WiFi断开连接几秒钟，然后恢复

debugcn 发表于 Dev

威特

奇怪的是，在Kubuntu中，Wifi完全熄灭了大约5到30秒，然后再次重新连接。可能导致此问题的原因是什么？

我的笔记本电脑信息：Kubunu 15.10 KDE plasma 5.4.2内核版本4.2.0-27-generic

让我知道我需要分享哪些其他信息。（此人分享了大量信息，没有人回答！）

更新1：输出 lspci -knn | grep Net -A2

02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
        Subsystem: Hewlett-Packard Company Device [103c:1508]
        Kernel driver in use: b43-pci-bridge

更新2：输出 grep wlan /var/log/kern.log

Feb  7 13:29:45 HP kernel: [   20.420557] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:30:34 HP kernel: [   69.472388] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:30:34 HP kernel: [   69.557596] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:30:41 HP kernel: [   76.132410] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:30:49 HP kernel: [   84.516376] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:30:50 HP kernel: [   84.595066] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:48:26 HP kernel: [   20.763486] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:48:31 HP kernel: [   26.496351] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:48:32 HP kernel: [   26.768843] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 13:50:02 HP kernel: [  117.425032] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 13:50:02 HP kernel: [  117.448664] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 13:50:02 HP kernel: [  117.453951] wlan0: authenticated
Feb  7 13:50:02 HP kernel: [  117.456283] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 13:50:02 HP kernel: [  117.459509] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=5)
Feb  7 13:50:02 HP kernel: [  117.459902] wlan0: associated
Feb  7 13:50:02 HP kernel: [  117.459936] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 13:50:05 HP kernel: [  120.472723] wlan0: deauthenticated from a4:b1:e9:9c:f0:96 (Reason: 2=PREV_AUTH_NOT_VALID)
Feb  7 13:50:34 HP kernel: [  149.401202] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 13:50:34 HP kernel: [  149.424614] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 13:50:34 HP kernel: [  149.427180] wlan0: authenticated
Feb  7 13:50:34 HP kernel: [  149.428251] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 13:50:34 HP kernel: [  149.431222] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=5)
Feb  7 13:50:34 HP kernel: [  149.431620] wlan0: associated
Feb  7 14:08:38 HP kernel: [ 1232.119261] wlan0: deauthenticating from a4:b1:e9:9c:f0:96 by local choice (Reason: 3=DEAUTH_LEAVING)
Feb  7 14:11:40 HP kernel: [   19.752909] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 14:12:37 HP kernel: [   77.492458] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 14:12:37 HP kernel: [   77.555537] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 14:13:18 HP kernel: [  117.789036] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 14:13:18 HP kernel: [  117.812648] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 14:13:18 HP kernel: [  117.815753] wlan0: authenticated
Feb  7 14:13:18 HP kernel: [  117.820065] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 14:13:18 HP kernel: [  117.823603] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 14:13:18 HP kernel: [  117.823995] wlan0: associated
Feb  7 14:13:18 HP kernel: [  117.824061] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 15:03:55 HP kernel: [   22.797706] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:04:00 HP kernel: [   28.544436] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:04:01 HP kernel: [   28.970856] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:04:02 HP kernel: [   30.131941] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:05:25 HP kernel: [  113.041220] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 15:05:25 HP kernel: [  113.064676] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:05:25 HP kernel: [  113.067027] wlan0: authenticated
Feb  7 15:05:25 HP kernel: [  113.068181] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:05:25 HP kernel: [  113.071494] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 15:05:25 HP kernel: [  113.071893] wlan0: associated
Feb  7 15:05:25 HP kernel: [  113.071925] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 15:38:07 HP kernel: [   21.369331] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:38:13 HP kernel: [   27.096353] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:38:13 HP kernel: [   27.177568] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:38:14 HP kernel: [   28.310506] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:40:39 HP kernel: [  172.965166] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:40:39 HP kernel: [  173.511667] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:41:02 HP kernel: [  195.942446] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:41:03 HP kernel: [  197.518776] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:41:04 HP kernel: [  197.806099] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:41:04 HP kernel: [  198.514786] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:41:34 HP kernel: [  228.533349] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 15:41:34 HP kernel: [  228.556679] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:41:34 HP kernel: [  228.559227] wlan0: authenticated
Feb  7 15:41:34 HP kernel: [  228.560071] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:41:34 HP kernel: [  228.563334] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 15:41:34 HP kernel: [  228.563767] wlan0: associated
Feb  7 15:41:34 HP kernel: [  228.563807] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 15:48:50 HP kernel: [  664.353899] wlan0: deauthenticating from a4:b1:e9:9c:f0:96 by local choice (Reason: 3=DEAUTH_LEAVING)
Feb  7 15:49:02 HP kernel: [  676.206188] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:38 HP kernel: [  712.508721] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:38 HP kernel: [  712.517050] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:39 HP kernel: [  713.469383] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:39 HP kernel: [  713.480442] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:39 HP kernel: [  713.517817] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:39 HP kernel: [  713.536570] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:40 HP kernel: [  714.510608] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:49:40 HP kernel: [  714.516118] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:50:26 HP kernel: [  760.585066] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 15:50:27 HP kernel: [  760.608587] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:50:27 HP kernel: [  760.611016] wlan0: authenticated
Feb  7 15:50:27 HP kernel: [  760.612047] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:50:27 HP kernel: [  760.615341] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 15:50:27 HP kernel: [  760.615782] wlan0: associated
Feb  7 15:50:27 HP kernel: [  760.615823] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 15:57:10 HP kernel: [   20.856551] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:57:16 HP kernel: [   26.592379] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:57:16 HP kernel: [   26.672656] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:57:17 HP kernel: [   27.805317] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:03 HP kernel: [   74.526900] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:04 HP kernel: [   75.229235] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:04 HP kernel: [   75.251292] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:04 HP kernel: [   75.265960] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:07 HP kernel: [   78.177975] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:07 HP kernel: [   78.509149] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:20 HP kernel: [   90.837966] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:21 HP kernel: [   92.520402] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:24 HP kernel: [   94.947817] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:25 HP kernel: [   96.510522] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:58:53 HP kernel: [  124.386939] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 15:59:05 HP kernel: [  135.653121] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 15:59:05 HP kernel: [  135.676663] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:59:05 HP kernel: [  135.680144] wlan0: authenticated
Feb  7 15:59:05 HP kernel: [  135.684069] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 15:59:05 HP kernel: [  135.687297] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 15:59:05 HP kernel: [  135.687698] wlan0: associated
Feb  7 15:59:05 HP kernel: [  135.687742] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Feb  7 16:23:36 HP kernel: [   20.390421] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 16:23:42 HP kernel: [   26.116384] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 16:23:42 HP kernel: [   26.193417] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb  7 16:23:43 HP kernel: [   27.340317] wlan0: authenticate with a4:b1:e9:9c:f0:96
Feb  7 16:23:43 HP kernel: [   27.352602] wlan0: send auth to a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 16:23:43 HP kernel: [   27.361461] wlan0: authenticated
Feb  7 16:23:43 HP kernel: [   27.364150] wlan0: associate with a4:b1:e9:9c:f0:96 (try 1/3)
Feb  7 16:23:43 HP kernel: [   27.374449] wlan0: RX AssocResp from a4:b1:e9:9c:f0:96 (capab=0x411 status=0 aid=1)
Feb  7 16:23:43 HP kernel: [   27.374827] wlan0: associated
Feb  7 16:23:43 HP kernel: [   27.374864] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

编辑1：我尝试过此方法，但没有成功。

编辑2：我收集了一组与我的相同问题无答案的问题：1 2 3 4 5 6

GAD3R

您需要互联网连接：

运行以下命令：

sudo apt-get remove --purge bcmwl-kernel-source

安装build-essential和linux-headers

sudo apt-get update && apt-get install build-essential linux-headers-generic

安装或重新安装wpa_supplicant

 sudo apt-get --reinstall install wpasupplicant

安装b43固件

 sudo apt-get install firmware-b43-installer

和

 sudo apt-get --reinstall install bcmwl-kernel-source

加载驱动程序

sudo modprobe b43

和

sudo ifdown wlan0
sudo ifup wlan0

你可以重启

本文收集自互联网，转载请注明来源。

如有侵权，请联系[email protected] 删除。

编辑于2021-06-13

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