Sep 9, 2024, 2:43 PM

笔记本放家里,开了内网穿透。家里网络wifi路由器白天会重新一次。今天在公司远程,之后永久断开未能恢复。到家后,ubuntu系统显示wifi图标带一个问号。

停用wifi再重新启用,网络恢复。

> dmesg
[112854.932755] [WARNING][BB] H2C cmd error!!
[112854.932770] [WARNING][BB]Error H2C CLASS=1, ID=0, Rt_v = 1
[112856.944567] [WARNING][BB]Error H2C CLASS=1, ID=1, Rt_v = 1
[112856.944573] [WARNING][BB] H2C cmd error!!
[112856.944582] [WARNING][BB]Error H2C CLASS=1, ID=0, Rt_v = 1
[112858.964538] [WARNING][BB]Error H2C CLASS=1, ID=1, Rt_v = 1
[112858.964544] [WARNING][BB] H2C cmd error!!
[112858.964553] [WARNING][BB]Error H2C CLASS=1, ID=0, Rt_v = 1
[112860.980605] [WARNING][BB]Error H2C CLASS=1, ID=1, Rt_v = 1
[112860.980620] [WARNING][BB] H2C cmd error!!
[112860.980636] [WARNING][BB]Error H2C CLASS=1, ID=0, Rt_v = 1
[112871.056721] [WARNING][BB]Error H2C CLASS=1, ID=1, Rt_v = 1
[112871.056735] [WARNING][BB] H2C cmd error!!
[112871.056752] [WARNING][BB]Error H2C CLASS=1, ID=0, Rt_v = 1
[112871.976395] rtw8852be: Connection disconnected for reason 0
[112872.675141] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[112892.583775] rtw8852be: Connection disconnected for reason 0
[112903.466798] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready