![自几周以来,Ubuntu 18.04 一直出现网络超时](https://linux22.com/image/1205437/%E8%87%AA%E5%87%A0%E5%91%A8%E4%BB%A5%E6%9D%A5%EF%BC%8CUbuntu%2018.04%20%E4%B8%80%E7%9B%B4%E5%87%BA%E7%8E%B0%E7%BD%91%E7%BB%9C%E8%B6%85%E6%97%B6.png)
几个星期以来,我一直遇到网络超时的情况。以下是日志NetworkManager
:
gru 12 11:37:24 r2d2l NetworkManager[975]: <info> [1544611044.3534] connectivity: (wlp3s0) timed out
gru 12 11:37:24 r2d2l NetworkManager[975]: <info> [1544611044.3536] connectivity: (enx803f5d098ae6) timed out
gru 12 11:37:24 r2d2l NetworkManager[975]: <info> [1544611044.3537] manager: NetworkManager state is now CONNECTED_SITE
gru 12 11:41:58 r2d2l NetworkManager[975]: <info> [1544611318.4725] manager: NetworkManager state is now CONNECTED_GLOBAL
gru 12 12:12:24 r2d2l NetworkManager[975]: <info> [1544613144.3487] connectivity: (wlp3s0) timed out
gru 12 12:12:24 r2d2l NetworkManager[975]: <info> [1544613144.3495] connectivity: (enx803f5d098ae6) timed out
gru 12 12:12:24 r2d2l NetworkManager[975]: <info> [1544613144.3495] manager: NetworkManager state is now CONNECTED_SITE
gru 12 12:16:57 r2d2l NetworkManager[975]: <info> [1544613417.1304] manager: NetworkManager state is now CONNECTED_GLOBAL
gru 12 12:16:57 r2d2l NetworkManager[975]: <info> [1544613417.1313] policy: set 'xxx 1' (wlp3s0) as default for IPv4 routing and DNS
gru 12 12:17:24 r2d2l NetworkManager[975]: <info> [1544613444.3464] connectivity: (enx803f5d098ae6) timed out
我的设备是小米笔记本 15 Pro,带 USB C 集线器。它首先在我的旧 Ubuntu 18.04 安装上启动。从那时起,我尝试了 USB 3.0 HUB、USB 3.0 有源(供电)HUB、新安装的 Ubuntu 18.04 等等。在 Windows 上一切正常,所以我很确定这是一个软件问题。我也更新了内核,但没有帮助。
您能帮我调试一下吗?我该怎么做才能修复它?