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O Ubuntu Wifi continua se reconectando mesmo após a reconfiguração do roteador

tag-icon • tag-icon networking wireless 20.04 network-manager
O Ubuntu Wifi continua se reconectando mesmo após a reconfiguração do roteador

Tenho o ubuntu 20.04 instalado e, para uma conexão Wifi específica (a que tenho em minha casa), estou com o seguinte problema: o wifi desconecta e reconecta depois de algum tempo (provavelmente a cada 3 ou 5 minutos).

Aqui está o que eu fiz:

  1. Alterei as configurações da rota para ficar como abaixo:

insira a descrição da imagem aqui

  1. Verifiquei minha saída do iwconfig: como você pode ver abaixo, o gerenciamento de energia já está desligado

insira a descrição da imagem aqui

  1. Aqui está minha cauda -f /var/log/syslog
    Sep  5 08:07:19 myusername-Aspire-E5-574G kernel: [ 1645.645441] wlp3s0: association with b8:d5:26:1b:c9:d2 timed out
    Sep  5 08:07:19 myusername-Aspire-E5-574G wpa_supplicant[1011]: wlp3s0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="TISCALI_C9D2" auth_failures=1 duration=10 reason=CONN_FAILED
    Sep  5 08:07:19 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286039.6381] device (wlp3s0): supplicant interface state: associating -> disconnected
    Sep  5 08:07:19 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286039.6382] device (p2p-dev-wlp3s0): supplicant management interface state: associating -> disconnected
    Sep  5 08:07:24 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286044.6444] device (wlp3s0): supplicant interface state: disconnected -> scanning
    Sep  5 08:07:24 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286044.6446] device (p2p-dev-wlp3s0): supplicant management interface state: disconnected -> scanning
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <warn>  [1599286048.1436] device (wlp3s0): link timed out.
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.1459] device (wlp3s0): state change: activated -> failed (reason 'supplicant-timeout', sys-iface-state: 'managed')
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.1496] manager: NetworkManager state is now DISCONNECTED
    Sep  5 08:07:28 myusername-Aspire-E5-574G gnome-shell[12863]: An active wireless connection, in infrastructure mode, involves no access point?
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <warn>  [1599286048.1733] device (wlp3s0): Activation: failed for connection 'TISCALI_C9D2'
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.1806] device (wlp3s0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Withdrawing address record for fe80::486a:a6d:b0f5:5284 on wlp3s0.
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Leaving mDNS multicast group on interface wlp3s0.IPv6 with address fe80::486a:a6d:b0f5:5284.
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Interface wlp3s0.IPv6 no longer relevant for mDNS.
    Sep  5 08:07:28 myusername-Aspire-E5-574G gnome-shell[12863]: An active wireless connection, in infrastructure mode, involves no access point?
    Sep  5 08:07:28 myusername-Aspire-E5-574G gnome-shell[12863]: An active wireless connection, in infrastructure mode, involves no access point?
    Sep  5 08:07:28 myusername-Aspire-E5-574G dbus-daemon[989]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.9' (uid=0 pid=990 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
    Sep  5 08:07:28 myusername-Aspire-E5-574G systemd[1]: Starting Network Manager Script Dispatcher Service...
    Sep  5 08:07:28 myusername-Aspire-E5-574G google-chrome.desktop[35179]: Fontconfig error: Cannot load default config file: No such file: (null)
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.2275] dhcp4 (wlp3s0): canceled DHCP transaction
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.2276] dhcp4 (wlp3s0): state changed bound -> done
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.2278] dhcp6 (wlp3s0): canceled DHCP transaction
    Sep  5 08:07:28 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286048.2278] dhcp6 (wlp3s0): state changed unknown -> done
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Withdrawing address record for 192.168.1.46 on wlp3s0.
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Leaving mDNS multicast group on interface wlp3s0.IPv4 with address 192.168.1.46.
    Sep  5 08:07:28 myusername-Aspire-E5-574G avahi-daemon[984]: Interface wlp3s0.IPv4 no longer relevant for mDNS.
    Sep  5 08:07:28 myusername-Aspire-E5-574G dbus-daemon[989]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
    Sep  5 08:07:28 myusername-Aspire-E5-574G systemd[1]: Started Network Manager Script Dispatcher Service.
    Sep  5 08:07:28 myusername-Aspire-E5-574G gnome-shell[12863]: An active wireless connection, in infrastructure mode, involves no access point?
    Sep  5 08:07:28 myusername-Aspire-E5-574G gnome-shell[12863]: message repeated 5 times: [ An active wireless connection, in infrastructure mode, involves no access point?]
    Sep  5 08:07:29 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286049.2172] policy: auto-activating connection 'TISCALI_C9D2' (3a893e63-7e87-40eb-afd9-4c7549434712)
    Sep  5 08:07:29 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286049.2178] device (wlp3s0): Activation: starting connection 'TISCALI_C9D2' (3a893e63-7e87-40eb-afd9-4c7549434712)
    Sep  5 08:07:29 myusername-Aspire-E5-574G NetworkManager[990]: <info>  [1599286049.2179] device (wlp3s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')

Isso não acontece em nenhuma outra conexão wifi e meus dispositivos Windows e Android funcionam perfeitamente na mesma rede Wifi. Existe alguma configuração que devo fazer para que meu Ubuntu funcione no meu wifi?

Responder1

Com base na saída tail -f /var/log/sysloge na alteração da configuração do roteador, presumi que a configuração do WiFi não foi alterada corretamente no Network Manager. A solução para este problema é simples:

  1. abrindo nm-connection-editorno Terminal
  2. Selecione e exclua a conexão WiFi
  3. Conecte-se ao mesmo WiFi desde o início

Responder2

kanzzmm2resposta está correta.

Eu adicionaria apenas uma etapa: reinicie o NetworkManager. Somente após esta etapa minha rede voltou à estabilidade.

Estou usando o 20.04.5 LTS com uma configuração MESH.

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