Das Modem wird erkannt, im Network Manager Applet sieht es auch gut aus, aber ein Verbindungsversuch wird nach wenigen Sekunden abgebrochen.
In einem parallel installiertem Arch funktioniert es, die Hardware und SIM ist also OK.
journalctl -f sagt dazu
Code: Alles auswählen
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9733] device (ttyACM0): Activation: starting connection 'Vodafone WebSessions' (bf207a1b-82f2-4728-9dd9-4d8300a5ffc1)
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9735] audit: op="connection-activate" uuid="bf207a1b-82f2-4728-9dd9-4d8300a5ffc1" name="Vodafone WebSessions" pid=1313 uid=1000 result="success"
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9736] device (ttyACM0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9740] manager: NetworkManager state is now CONNECTING
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9746] device (ttyACM0): state change: prepare -> need-auth (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9836] device (ttyACM0): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Simple connect started...
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Simple connect state (4/8): Wait to get fully enabled
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Simple connect state (5/8): Register
Sep 20 16:41:15 x250 NetworkManager[640]: <info> [1568990475.9864] modem["ttyACM0"]: modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Simple connect state (6/8): Bearer
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Simple connect state (7/8): Connect
Sep 20 16:41:15 x250 ModemManager[2202]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Sep 20 16:41:16 x250 ModemManager[2202]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> connected)
Sep 20 16:41:16 x250 ModemManager[2202]: <info> Simple connect state (8/8): All done
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0188] modem["ttyACM0"]: modem state changed, 'connecting' --> 'connected' (reason: user-requested)
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0215] device (ttyACM0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0224] device (ttyACM0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:16 x250 NetworkManager[640]: <warn> [1568990476.0230] device (ttyACM0): interface ttyACM0 not up for IP configuration
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0230] modem["ttyACM0"]: using modem-specified IP timeout: 20 seconds
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0234] ppp-manager: starting PPP connection
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0262] ppp-manager: pppd started with pid 2226
Sep 20 16:41:16 x250 pppd[2226]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded.
Sep 20 16:41:16 x250 NetworkManager[640]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded.
Sep 20 16:41:16 x250 pppd[2226]: nm-ppp-plugin: (plugin_init): initializing
Sep 20 16:41:16 x250 pppd[2226]: pppd 2.4.7 started by root, uid 0
Sep 20 16:41:16 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
Sep 20 16:41:16 x250 pppd[2226]: Using interface ppp0
Sep 20 16:41:16 x250 systemd-udevd[2229]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Sep 20 16:41:16 x250 NetworkManager[640]: <info> [1568990476.0390] manager: (ppp0): new Ppp device (/org/freedesktop/NetworkManager/Devices/13)
Sep 20 16:41:16 x250 pppd[2226]: Connect: ppp0 <--> /dev/ttyACM0
Sep 20 16:41:16 x250 NetworkManager[640]: Using interface ppp0
Sep 20 16:41:16 x250 NetworkManager[640]: Connect: ppp0 <--> /dev/ttyACM0
Sep 20 16:41:16 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Sep 20 16:41:16 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate'
Sep 20 16:41:16 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
Sep 20 16:41:19 x250 pppd[2226]: sif6addr: ioctl(SIOCSIFADDR): Permission denied (line 2613)
Sep 20 16:41:19 x250 NetworkManager[640]: sif6addr: ioctl(SIOCSIFADDR): Permission denied (line 2613)
Sep 20 16:41:19 x250 NetworkManager[640]: cif6addr: ioctl(SIOCDIFADDR): No such address
Sep 20 16:41:19 x250 pppd[2226]: cif6addr: ioctl(SIOCDIFADDR): No such address
Sep 20 16:41:19 x250 pppd[2226]: Modem hangup
Sep 20 16:41:19 x250 NetworkManager[640]: Modem hangup
Sep 20 16:41:19 x250 NetworkManager[640]: Connection terminated.
Sep 20 16:41:19 x250 NetworkManager[640]: Connect time 0.1 minutes.
Sep 20 16:41:19 x250 NetworkManager[640]: Sent 145 bytes, received 42 bytes.
Sep 20 16:41:19 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Sep 20 16:41:19 x250 pppd[2226]: Connection terminated.
Sep 20 16:41:19 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 11 / phase 'disconnect'
Sep 20 16:41:19 x250 pppd[2226]: Connect time 0.1 minutes.
Sep 20 16:41:19 x250 pppd[2226]: Sent 145 bytes, received 42 bytes.
Sep 20 16:41:20 x250 pppd[2226]: nm-ppp-plugin: (nm_phasechange): status 1 / phase 'dead'
Sep 20 16:41:20 x250 pppd[2226]: nm-ppp-plugin: (nm_exit_notify): cleaning up
Sep 20 16:41:20 x250 pppd[2226]: Exit.
Sep 20 16:41:20 x250 NetworkManager[640]: <info> [1568990480.2319] device (ttyACM0): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed')
Sep 20 16:41:20 x250 NetworkManager[640]: <info> [1568990480.2326] manager: NetworkManager state is now CONNECTED_LOCAL
Sep 20 16:41:20 x250 NetworkManager[640]: <error> [1568990480.2331] kill child process 'pppd' (2226): failed due to unexpected return value -1 by waitpid (Keine Kind-Prozesse, 10) after sending SIGTERM (15)
Sep 20 16:41:20 x250 NetworkManager[640]: <warn> [1568990480.2337] device (ttyACM0): Activation: failed for connection 'Vodafone WebSessions'
Sep 20 16:41:20 x250 NetworkManager[640]: <info> [1568990480.2342] device (ttyACM0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Sep 20 16:41:20 x250 ModemManager[2202]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connected -> disconnecting)
Sep 20 16:41:20 x250 NetworkManager[640]: <info> [1568990480.2412] modem["ttyACM0"]: modem state changed, 'connected' --> 'disconnecting' (reason: user-requested)
Sep 20 16:41:22 x250 ModemManager[2202]: <info> mobile equipment request to deactivate context (cid 1)
Sep 20 16:41:22 x250 ModemManager[2202]: <info> Bearer /org/freedesktop/ModemManager1/Bearer/0: explicitly disconnected
Sep 20 16:41:22 x250 ModemManager[2202]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (disconnecting -> registered)
Sep 20 16:41:22 x250 NetworkManager[640]: <info> [1568990482.3083] modem["ttyACM0"]: modem state changed, 'disconnecting' --> 'registered' (reason: user-requested)
Sep 20 16:41:22 x250 ModemManager[2202]: <info> mobile equipment request to deactivate context (cid 1)
EDIT gelöst
In den Einstellungen zur Netzwerkverbindung das IPV6 von Automatisch auf Ignorieren stellen wars.