![电源管理被禁用时,Kubuntu 20.04 KDE Plasma 版本 5.18.5 内核版本 5.4.0-52 通用版上的 Wifi 会随机断开连接](https://linux22.com/image/1177703/%E7%94%B5%E6%BA%90%E7%AE%A1%E7%90%86%E8%A2%AB%E7%A6%81%E7%94%A8%E6%97%B6%EF%BC%8CKubuntu%2020.04%20KDE%20Plasma%20%E7%89%88%E6%9C%AC%205.18.5%20%E5%86%85%E6%A0%B8%E7%89%88%E6%9C%AC%205.4.0-52%20%E9%80%9A%E7%94%A8%E7%89%88%E4%B8%8A%E7%9A%84%20Wifi%20%E4%BC%9A%E9%9A%8F%E6%9C%BA%E6%96%AD%E5%BC%80%E8%BF%9E%E6%8E%A5.png)
运行lspci
我得到:
04:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
电源管理设置为在所有情况下保持不变。Wifi 显示已连接但停止工作。查看内置网络上传和下载速度显示已连接到网络,我的路由器确实检测到了机器,但我失去了互联网访问。KDE Wallet 已知会导致问题,但它已被禁用(从未启用过)。我尝试在多个频段以及 5Ghz 和 2.4Ghz 上运行。
运行spci -nnk | grep -i network -A2
输出:
04:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095b] (rev 59)
Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5210]
Kernel driver in use: iwlwifi
运行rfkill list all
输出:
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: yes
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
running iw dev gives:
phy#0
Unnamed/non-netdev interface
wdev 0x3
addr 34:02:86:44:74:ac
type P2P-device
txpower 0.00 dBm
Interface wlp4s0
ifindex 3
wdev 0x1
addr 34:02:86:44:74:ab
ssid AasraAirtel
type managed
channel 11 (2462 MHz), width: 20 MHz, center1: 2462 MHz
txpower 21.00 dBm
multicast TXQ:
qsz-byt qsz-pkt flows drops marks overlmt hashcol tx-bytes tx-packets
我尝试添加静态 IP 以及禁用 IPV6,但仍然没有区别。
iwconfig
给出:
usb0 no wireless extensions.
enp0s25 no wireless extensions.
lo no wireless extensions.
wlp4s0 IEEE 802.11 ESSID:"AasraAirtel"
Mode:Managed Frequency:2.462 GHz Access Point: 64:2C:AC:72:69:54
Bit Rate=144.4 Mb/s Tx-Power=21 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=53/70 Signal level=-57 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:1219 Invalid misc:410 Missed beacon:0