Hallo zusammen,
ich habe öfters unregelmäßige Abbrüche in der WLAN Verbindung. Selten geht es von allein wieder, oft ist ein Neustart nötig. Wobei es nach dem Neustart wieder normal funktioniert, bis zum nächsten Abbruch der Verbindung.
An was könnte das denn liegen und wie kann man die Abbrüche verhindern?
MfG
Log den letzten Abbruches:
Oct 25 14:47:13 srv wpa_supplicant[919]: wlp1s0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0 Oct 25 14:47:13 srv wpa_supplicant[919]: wlp1s0: CTRL-EVENT-REGDOM-CHANGE init=COUNTRY_IE type=COUNTRY alpha2=DE Oct 25 14:47:13 srv NetworkManager[922]: <info> [1540471633.2596] device (wlp1s0): supplicant interface state: associating -> 4-way handshake Oct 25 14:47:15 srv kernel: [112662.122905] wlp1s0: Limiting TX power to 20 (20 - 0) dBm as advertised by 11:22:35:79:1d:12 Oct 25 14:47:23 srv wpa_supplicant[919]: wlp1s0: Authentication with 11:22:35:79:1d:12 timed out. Oct 25 14:47:23 srv kernel: [112670.172737] wlp1s0: deauthenticating from 11:22:35:79:1d:12 by local choice (Reason: 3=DEAUTH_LEAVING) Oct 25 14:47:23 srv wpa_supplicant[919]: wlp1s0: CTRL-EVENT-DISCONNECTED bssid=11:22:35:79:1d:12 reason=3 locally_generated=1 Oct 25 14:47:23 srv wpa_supplicant[919]: wlp1s0: WPA: 4-Way Handshake failed - pre-shared key may be incorrect Oct 25 14:47:23 srv wpa_supplicant[919]: wlp1s0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="FRITZ!Box B075" auth_failures=1 duration=10 reason=WRONG_KEY Oct 25 14:47:23 srv wpa_supplicant[919]: wlp1s0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD Oct 25 14:47:23 srv NetworkManager[922]: <warn> [1540471643.2688] sup-iface[0x562b0d7a2220,wlp1s0]: connection disconnected (reason -3) Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2729] device (wlp1s0): supplicant interface state: 4-way handshake -> disconnected Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2749] device (wlp1s0): Activation: (wifi) disconnected during association, asking for new key Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2752] device (wlp1s0): state change: activated -> need-auth (reason 'supplicant-disconnect', sys-iface-state: 'managed') Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2756] manager: NetworkManager state is now CONNECTING Oct 25 14:47:23 srv dbus-daemon[869]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.10' (uid=0 pid=922 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined") Oct 25 14:47:23 srv systemd[1]: Starting Network Manager Script Dispatcher Service... Oct 25 14:47:23 srv NetworkManager[922]: <warn> [1540471643.2959] device (wlp1s0): No agents were available for this request. Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2960] device (wlp1s0): state change: need-auth -> failed (reason 'no-secrets', sys-iface-state: 'managed') Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.2968] manager: NetworkManager state is now DISCONNECTED Oct 25 14:47:23 srv NetworkManager[922]: <warn> [1540471643.3003] device (wlp1s0): Activation: failed for connection 'netplan-wlp1s0-FRITZ!Box B075' Oct 25 14:47:23 srv NetworkManager[922]: <info> [1540471643.3057] device (wlp1s0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed') Oct 25 14:47:23 srv kernel: [112670.225906] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready Oct 25 14:47:23 srv systemd[1]: Started Network Manager Script Dispatcher Service. Oct 25 14:47:23 srv nm-dispatcher: req:1 'down' [wlp1s0]: new request (2 scripts) Oct 25 14:47:23 srv nm-dispatcher: req:1 'down' [wlp1s0]: start running ordered scripts... Oct 25 14:47:23 srv nm-dispatcher: req:2 'connectivity-change': new request (2 scripts) Oct 25 14:47:23 srv nm-dispatcher: req:2 'connectivity-change': start running ordered scripts... Oct 25 14:47:24 srv NetworkManager[922]: <info> [1540471644.3729] device (wlp1s0): supplicant interface state: disconnected -> inactive
Linux srv 4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 10:59:38 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
lo no wireless extensions. wlp1s0 IEEE 802.11 ESSID:"FRITZ!Box B075" Mode:Managed Frequency:2.457 GHz Access Point: 11:22:35:79:1d:12 Bit Rate=72.2 Mb/s Tx-Power=20 dBm Retry short limit:7 RTS thr=2347 B Fragment thr:off Power Management:off Link Quality=59/70 Signal level=-51 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:4 Missed beacon:0 enp3s0 no wireless extensions.
srv:~$ nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN connected full enabled enabled enabled enabled DEVICE TYPE STATE CONNECTION wlp1s0 wifi connected netplan-wlp1s0 enp3s0 ethernet unavailable -- lo loopback unmanaged -- NAME UUID TYPE DEVICE netplan-wlp1s0 b9b282d9-c957-3078-b8d0-68c86521f54e wifi wlp1s0 Wired connection 1 d290c83b-a705-3629-9dcd-8fb00ad2f1b0 ethernet --
iwlist chan lo no frequency information. wlp1s0 13 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz Current Frequency:2.457 GHz (Channel 10) enp3s0 no frequency information.