我的华硕 Zenbook UX304UA 似乎无法连接到较新的 wifi 标准。这个问题第一次出现是在我临时使用邻居的 wifi 时，现在当我登录半公共的公司 wifi 时，它又变得不稳定。让我感到困惑的是，我的手机没有任何问题。此外，当电池电量低于 25% 时，问题会变得更严重……
我正在运行 ubuntu 20.04，并且已经更新到笔记本电脑的最新 BIOS 版本 (UX305UA.302)。输出如下sudo lshw -C network：
*-network
description: wireless connection
product: Wireless 7265
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 59
serial: 00:21:5c:af:45:29
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-81-generic firmware=29.1654887522.0 ip=192.168.183.188 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:128 memory:dfa00000-dfa01fff
并ls /lib/firmware/ | grep iwlwifi-7265得出：
iwlwifi-7265-10.ucode
iwlwifi-7265-12.ucode
iwlwifi-7265-13.ucode
iwlwifi-7265-16.ucode
iwlwifi-7265-17.ucode
iwlwifi-7265-8.ucode
iwlwifi-7265-9.ucode
iwlwifi-7265D-10.ucode
iwlwifi-7265D-12.ucode
iwlwifi-7265D-13.ucode
iwlwifi-7265D-16.ucode
iwlwifi-7265D-17.ucode
iwlwifi-7265D-21.ucode
iwlwifi-7265D-22.ucode
iwlwifi-7265D-27.ucode
iwlwifi-7265D-29.ucode
我连接了 2.4GHz。我遇到了这个帖子但这并没有多大帮助。
编辑/更新
输出sudo journalctl -b 0 -u NetworkManager：
Sep 04 14:42:29 castle systemd[1]: Starting Network Manager...
Sep 04 14:42:29 castle NetworkManager[1031]: <info> [1630759349.8229] NetworkManager (version 1.22.10) is starting... (for the first time)
Sep 04 14:42:29 castle NetworkManager[1031]: <info> [1630759349.8230] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 10-dns-resolved.conf, 20-connectivity-ubuntu.conf, >
Sep 04 14:42:29 castle NetworkManager[1031]: <info> [1630759349.9694] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Sep 04 14:42:29 castle systemd[1]: Started Network Manager.
Sep 04 14:42:29 castle NetworkManager[1031]: <info> [1630759349.9868] manager[0x56248078a030]: monitoring kernel firmware directory '/lib/firmware'.
Sep 04 14:42:29 castle NetworkManager[1031]: <info> [1630759349.9869] monitoring ifupdown state file '/run/network/ifstate'.
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3534] hostname: hostname: using hostnamed
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3534] hostname: hostname changed from (none) to "castle"
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3537] dns-mgr[0x562480779290]: init: dns=systemd-resolved rc-manager=symlink, plugin=systemd-resolved
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3548] rfkill1: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.5/0000:02:00.0/ieee80211/phy0/rfk>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3550] manager[0x56248078a030]: rfkill: Wi-Fi hardware radio set enabled
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3551] manager[0x56248078a030]: rfkill: WWAN hardware radio set enabled
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3643] Loaded device plugin: NMWwanFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-wwan>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3658] Loaded device plugin: NMAtmManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-adsl.>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3705] Loaded device plugin: NMTeamFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-team>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3786] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-blu>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3814] Loaded device plugin: NMWifiFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-device-plugin-wifi>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3819] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3822] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3825] manager: Networking is enabled by state file
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3827] dhcp-init: Using DHCP client 'internal'
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3900] settings: Loaded settings plugin: ifupdown ("/usr/lib/x86_64-linux-gnu/NetworkManager/1.22.10/libnm-settings-p>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3914] settings: Loaded settings plugin: keyfile (internal)
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3914] ifupdown: management mode: unmanaged
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3914] ifupdown: interface-parser: parsing file /etc/network/interfaces
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.3914] ifupdown: interface-parser: finished parsing file /etc/network/interfaces
Sep 04 14:42:30 castle NetworkManager[1031]: <warn> [1630759350.4021] keyfile: 802-1x.ca-cert: Zertifikat oder Schlüsseldatei »file:///home/squirrel/.cat_installer/ca.pem« ist nich>
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.4783] device (lo): carrier: link connected
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.4787] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.4794] device (wlp2s0): driver supports Access Point (AP) mode
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.4800] manager: (wlp2s0): new 802.11 Wi-Fi device (/org/freedesktop/NetworkManager/Devices/2)
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.4936] device (wlp2s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.6465] modem-manager: ModemManager available
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.6488] supplicant: wpa_supplicant running
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.6493] device (wlp2s0): supplicant interface state: init -> starting
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7818] sup-iface[0x56248079f920,wlp2s0]: supports 5 scan SSIDs
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7851] device (wlp2s0): supplicant interface state: starting -> ready
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7852] Wi-Fi P2P device controlled by interface wlp2s0 created
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7858] manager: (p2p-dev-wlp2s0): new 802.11 Wi-Fi P2P device (/org/freedesktop/NetworkManager/Devices/3)
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7879] device (p2p-dev-wlp2s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Sep 04 14:42:30 castle NetworkManager[1031]: <warn> [1630759350.7916] sup-iface: failed to cancel p2p connect: P2P cancel failed
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7941] device (p2p-dev-wlp2s0): state change: unavailable -> disconnected (reason 'none', sys-iface-state: 'managed')
Sep 04 14:42:30 castle NetworkManager[1031]: <info> [1630759350.7958] device (wlp2s0): state change: unavailable -> disconnected (reason 'supplicant-available', sys-iface-state: 'm>
Sep 04 14:42:30 castle NetworkManager[1031]: <warn> [1630759350.8073] device (wlp2s0): wifi-scan: active scanning for networks due to profiles with wifi.hidden=yes. This makes you >
Sep 04 14:42:34 castle NetworkManager[1031]: <info> [1630759354.4857] manager: startup complete
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8700] policy: auto-activating connection 'bgu_extern' (1c30c1ba-07ad-4ce6-8126-80740db3234a)
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8708] device (wlp2s0): Activation: starting connection 'bgu_extern' (1c30c1ba-07ad-4ce6-8126-80740db3234a)
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8710] device (wlp2s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8714] manager: NetworkManager state is now CONNECTING
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8719] device (wlp2s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8722] device (wlp2s0): Activation: (wifi) connection 'bgu_extern' requires no security. No secrets needed.
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8723] Config: added 'ssid' value 'bgu_extern'
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8723] Config: added 'scan_ssid' value '1'
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8723] Config: added 'bgscan' value 'simple:30:-65:300'
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8723] Config: added 'key_mgmt' value 'NONE'
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8963] device (wlp2s0): supplicant interface state: ready -> scanning
Sep 04 14:45:48 castle NetworkManager[1031]: <info> [1630759548.8964] device (p2p-dev-wlp2s0): supplicant management interface state: ready -> scanning
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.2892] device (wlp2s0): supplicant interface state: scanning -> authenticating
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.2893] device (p2p-dev-wlp2s0): supplicant management interface state: scanning -> authenticating
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3047] device (wlp2s0): supplicant interface state: authenticating -> associating
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3047] device (p2p-dev-wlp2s0): supplicant management interface state: authenticating -> associating
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3178] device (wlp2s0): supplicant interface state: associating -> completed
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3179] device (wlp2s0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to wireless network >
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3179] device (p2p-dev-wlp2s0): supplicant management interface state: associating -> completed
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3193] device (wlp2s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.3198] dhcp4 (wlp2s0): activation: beginning transaction (timeout in 45 seconds)
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option dhcp_lease_time => '86400'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option domain_name_servers => '192.168.176.1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option expiry => '1630845952'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option ip_address => '192.168.183.188'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option requested_broadcast_address => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option requested_domain_name => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4203] dhcp4 (wlp2s0): option requested_domain_name_servers => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_domain_search => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_host_name => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_interface_mtu => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_ms_classless_static_routes => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_nis_domain => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_nis_servers => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_ntp_servers => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_rfc3442_classless_static_routes => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_root_path => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_routers => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_static_routes => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4204] dhcp4 (wlp2s0): option requested_subnet_mask => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4205] dhcp4 (wlp2s0): option requested_time_offset => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4205] dhcp4 (wlp2s0): option requested_wpad => '1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4205] dhcp4 (wlp2s0): option routers => '192.168.176.1'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4205] dhcp4 (wlp2s0): option subnet_mask => '255.255.240.0'
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4205] dhcp4 (wlp2s0): state changed unknown -> bound
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4238] device (wlp2s0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4937] device (wlp2s0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4943] device (wlp2s0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.4968] manager: NetworkManager state is now CONNECTED_LOCAL
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.5010] manager: NetworkManager state is now CONNECTED_SITE
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.5011] policy: set 'bgu_extern' (wlp2s0) as default for IPv4 routing and DNS
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.5082] device (wlp2s0): Activation: successful, device activated.
Sep 04 14:45:52 castle NetworkManager[1031]: <info> [1630759552.9162] manager: NetworkManager state is now CONNECTED_GLOBAL
Sep 04 14:45:56 castle NetworkManager[1031]: <info> [1630759556.9897] agent-manager: agent[e48d614f8d543379,:1.133/org.gnome.Shell.NetworkAgent/1000]: agent registered
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.4863] device (wlp2s0): supplicant interface state: completed -> authenticating
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.4864] device (p2p-dev-wlp2s0): supplicant management interface state: completed -> authenticating
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.4928] device (wlp2s0): supplicant interface state: authenticating -> associating
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.4928] device (p2p-dev-wlp2s0): supplicant management interface state: authenticating -> associating
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.5151] device (wlp2s0): supplicant interface state: associating -> completed
Sep 04 14:46:07 castle NetworkManager[1031]: <info> [1630759567.5192] device (p2p-dev-wlp2s0): supplicant management interface state: associating -> completed
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.8920] device (wlp2s0): supplicant interface state: completed -> authenticating
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.8921] device (p2p-dev-wlp2s0): supplicant management interface state: completed -> authenticating
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.9204] device (wlp2s0): supplicant interface state: authenticating -> associating
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.9251] device (p2p-dev-wlp2s0): supplicant management interface state: authenticating -> associating
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.9296] device (wlp2s0): supplicant interface state: associating -> completed
Sep 04 14:46:38 castle NetworkManager[1031]: <info> [1630759598.9318] device (p2p-dev-wlp2s0): supplicant management interface state: associating -> completed
还有以下输出nmcli device wifi list：
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* xx:xx:xx:xx:xx:D2 bgu_extern Infra 1 195 Mbit/s 48 ▂▄__ --
xx:xx:xx:xx:xx:D0 -- Infra 1 195 Mbit/s 47 ▂▄__ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:D6 -- Infra 1 195 Mbit/s 42 ▂▄__ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:C0 -- Infra 11 195 Mbit/s 12 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:A6 -- Infra 6 195 Mbit/s 10 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:A2 bgu_extern Infra 6 195 Mbit/s 10 ▂___ --
xx:xx:xx:xx:xx:C6 -- Infra 11 195 Mbit/s 10 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:C5 -- Infra 11 195 Mbit/s 10 ▂___ WPA2
xx:xx:xx:xx:xx:C2 bgu_extern Infra 11 195 Mbit/s 10 ▂___ --
xx:xx:xx:xx:xx:A0 -- Infra 6 195 Mbit/s 9 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:50 -- Infra 11 195 Mbit/s 9 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:56 -- Infra 11 195 Mbit/s 9 ▂___ WPA1 WPA2 802.1X
xx:xx:xx:xx:xx:A5 -- Infra 6 195 Mbit/s 7 ▂___ WPA2
xx:xx:xx:xx:xx:55 -- Infra 11 195 Mbit/s 7 ▂___ WPA2
xx:xx:xx:xx:xx:E5 -- Infra 11 195 Mbit/s 7 ▂___ WPA2
xx:xx:xx:xx:xx:FA 1und1 WLAN-DDFA Infra 1 65 Mbit/s 5 ____ WPA2
答案1
我们看到您已连接到接入点bgu_extern并且扫描范围内有三个实例。我建议您尝试绑定到三个实例中最强的一个，如下所示： Ubuntu 连接断开。工作了一段时间后又开始断开