Hey Yury, On Tue, Jun 30, 2020 at 10:01 AM Yury Kamnev <[email protected]> wrote: > > I am experiencing quite a strange behavior when trying to set up LTE > connection via network manager and mc7455 usb modem. > > On first boot it just hangs: > > > nmcli > cdc-wdm0: connecting (prepare) to lte > "cdc-wdm0" > modem (qmi_wwan), hw > > Setting connection down and up does not help. Setting interface up/down also > has no effects. **The only thing that helps is `sudo reboot` after which nm > is able to connect.** Here is modem manager info: > > > > mmcli -m 0 > ------------------------- > Hardware | manufacturer: 'Sierra Wireless, Incorporated' > | model: 'MC7455' > | revision: 'SWI9X30C_02.24.05.06 r7040 CARMD-EV-FRMWR2 > 2017/05/19 06:23:09' > | supported: 'gsm-umts > | lte > | gsm-umts, lte' > | current: 'lte' > | equipment id: '359072065668879' > ------------------------- > System | device: '/sys/devices/70090000.xusb/usb1/1-2/1-2.2' > | drivers: 'qmi_wwan' > | plugin: 'Sierra' > | primary port: 'cdc-wdm0' > | ports: 'cdc-wdm0 (qmi), wwan0 (net), wwan1 (net), > cdc-wdm1 (qmi)' > ------------------------- > Numbers | own : '79215547030' > ------------------------- > Status | lock: 'sim-pin2' > | unlock retries: 'sim-pin (3), sim-pin2 (3), sim-puk (10), > sim-puk2 (10)' > | state: 'enabled'
That's strange, the modem is not registered in the network at all. Could you run the following commands while you're in this state? $ sudo qmicli -d /dev/cdc-wdm0 -p --wds-get-profile-list=3gpp $ sudo qmicli -d /dev/cdc-wdm0 -p --wds-get-default-profile-num=3gpp $ sudo qmicli -d /dev/cdc-wdm0 -p --wds-get-default-settings=3gpp $ sudo qmicli -d /dev/cdc-wdm0 -p --wds-get-autoconnect-settings $ sudo qmicli -d /dev/cdc-wdm0 -p --nas-force-network-search Also, instead of fully rebooting the PC, try to reboot only the LTE modem instead, e.g.: $ sudo mmcli -m 0 --reset -- Aleksander https://aleksander.es _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list
