我的桌面采用 Windows 和 Ubuntu 22.04 双启动。我以前遇到过这个问题，但早些时候它就消失了。问题是，我的频谱 wifi 连接到所有设备，包括同一设备上的 Windows，但不能连接到 Ubuntu。它曾经工作了一年多，但由于某种原因它停止工作了。
我想要一些关于如何诊断此问题的意见。它也以一种奇怪的方式连接起来。当我重新启动网络服务时，我可以短暂访问互联网，然后就变黑了。无线网络也已连接，但我无法访问任何网站。
这是 inxi -N 的输出：
Network:
Device-1: Intel Dual Band Wireless-AC 3168NGW [Stone Peak] driver: iwlwifi
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169
输出journalctl -b 0 -u NetworkManager
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.5971] manager: rfkill: Wi-Fi hardware radio set enabled
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6725] audit: op="radio-control" arg="wireless-enabled:on" pid=2561 uid=1000 result="success"
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6726] manager: rfkill: Wi-Fi now enabled by radio killswitch
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6917] device (wlp3s0): supplicant interface state: internal-starting -> disconnected
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6918] device (p2p-dev-wlp3s0): state change: unavailable -> unmanaged (reason 'removed', sys-iface-state: 'removed')
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6920] Wi-Fi P2P device controlled by interface wlp3s0 created
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6921] manager: (p2p-dev-wlp3s0): new 802.11 Wi-Fi P2P device (/org/freedesktop/NetworkManager/Devices/14)
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6922] device (p2p-dev-wlp3s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6923] device (wlp3s0): state change: unavailable -> disconnected (reason 'supplicant-available', sys-iface-state: 'managed')
Apr 16 19:10:03 nevin-ubuntu NetworkManager[1111]: <info> [1713309003.6925] device (p2p-dev-wlp3s0): state change: unavailable -> disconnected (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8374] policy: auto-activating connection '**WIFI SSID**' (f9a1c045-a5c5-404b-bc6f-3486b5fb5494)
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8376] device (wlp3s0): Activation: starting connection '**WIFI SSID**' (f9a1c045-a5c5-404b-bc6f-3486b5fb5494)
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8376] device (wlp3s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8377] manager: NetworkManager state is now CONNECTING
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8378] device (wlp3s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8379] device (wlp3s0): Activation: (wifi) access point '**WIFI SSID**' has security, but secrets are required.
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8379] device (wlp3s0): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8382] device (wlp3s0): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8383] device (wlp3s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] device (wlp3s0): Activation: (wifi) connection '**WIFI SSID**' has security, and secrets exist. No new secrets needed.
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'ssid' value '**WIFI SSID**'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'scan_ssid' value '1'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'bgscan' value 'simple:30:-70:86400'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'key_mgmt' value 'WPA-PSK WPA-PSK-SHA256 FT-PSK SAE FT-SAE'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'auth_alg' value 'OPEN'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8384] Config: added 'psk' value '<hidden>'
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8471] device (wlp3s0): supplicant interface state: disconnected -> associating
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8471] device (p2p-dev-wlp3s0): supplicant management interface state: disconnected -> associating
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8646] device (wlp3s0): supplicant interface state: associating -> associated
Apr 16 19:10:06 nevin-ubuntu NetworkManager[1111]: <info> [1713309006.8646] device (p2p-dev-wlp3s0): supplicant management interface state: associating -> associated
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0646] device (wlp3s0): supplicant interface state: associated -> completed
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0646] device (wlp3s0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to wireless network "**WIFI SSID**"
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0646] device (p2p-dev-wlp3s0): supplicant management interface state: associated -> completed
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0647] device (wlp3s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0650] dhcp4 (wlp3s0): activation: beginning transaction (timeout in 45 seconds)
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0786] dhcp4 (wlp3s0): state changed new lease, address=**IP ADDRESS**
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.0796] device (wlp3s0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1136] device (wlp3s0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1137] device (wlp3s0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1139] manager: NetworkManager state is now CONNECTED_LOCAL
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1142] manager: NetworkManager state is now CONNECTED_SITE
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1142] policy: set '**WIFI SSID**' (wlp3s0) as default for IPv4 routing and DNS
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1145] device (wlp3s0): Activation: successful, device activated.
Apr 16 19:10:07 nevin-ubuntu NetworkManager[1111]: <info> [1713309007.1755] manager: NetworkManager state is now CONNECTED_GLOBAL
输出service NetworkManager status
● NetworkManager.service - Network Manager
Loaded: loaded (/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2024-04-16 18:51:01 EDT; 5min ago
Docs: man:NetworkManager(8)
Main PID: 1090 (NetworkManager)
Tasks: 3 (limit: 18896)
Memory: 10.3M
CPU: 378ms
CGroup: /system.slice/NetworkManager.service
└─1090 /usr/sbin/NetworkManager --no-daemon
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.7313] manager: (veth57d3ce4): new Veth device (/org/freedesktop/NetworkManager/Devices/11)
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.7317] device (veth57d3ce4): carrier: link connected
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.7317] device (veth7b01fc9): carrier: link connected
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.7318] device (br-3f0f9c4dc79a): carrier: link connected
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.7583] device (veth7b01fc9): released from master device br-3f0f9c4dc79a
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.8263] manager: (veth27a7d2c): new Veth device (/org/freedesktop/NetworkManager/Devices/12)
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.8268] manager: (vetha56c493): new Veth device (/org/freedesktop/NetworkManager/Devices/13)
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.8273] device (veth27a7d2c): carrier: link connected
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.8274] device (vetha56c493): carrier: link connected
Apr 16 18:55:54 user NetworkManager[1090]: <info> [1713308154.8275] device (br-3f0f9c4dc79a): carrier: link connected
和service --status-all
[ + ] acpid
[ - ] alsa-utils
[ - ] anacron
[ + ] apparmor
[ + ] apport
[ + ] avahi-daemon
[ + ] bluetooth
[ + ] connman
[ - ] console-setup.sh
[ + ] cron
[ + ] cups
[ + ] cups-browsed
[ + ] dbus
[ + ] docker
[ + ] gdm3
[ - ] grub-common
[ - ] hwclock.sh
[ + ] irqbalance
[ + ] kerneloops
[ - ] keyboard-setup.sh
[ + ] kmod
[ + ] lm-sensors
[ + ] openvpn
[ - ] plymouth
[ + ] plymouth-log
[ + ] procps
[ - ] pulseaudio-enable-autospawn
[ - ] rsync
[ - ] saned
[ - ] speech-dispatcher
[ - ] spice-vdagent
[ + ] udev
[ + ] ufw
[ + ] unattended-upgrades
[ - ] uuidd
[ - ] whoopsie
[ - ] x11-common