Hi all, I'm trying to enable the LTE-FDD bands but getting the following error:
pi@okamoto:~ $ sudo mmcli -m 0 -------------------------- General | dbus path: /org/freedesktop/ModemManager1/Modem/0 | device id: - -------------------------- Hardware | manufacturer: QUALCOMM INCORPORATED | model: 0 | revision: QA30002.1.1_MV11 1 [Dec 22 2015 22:00:00] | h/w revision: 20002 | supported: gsm-umts, lte | cdma-evdo, lte | lte | cdma-evdo, gsm-umts, lte | current: lte | equipment id: - -------------------------- System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4 | drivers: qmi_wwan | plugin: Generic | primary port: cdc-wdm0 | ports: cdc-wdm0 (qmi), wwan0 (net) -------------------------- Status | lock: sim-pin2 | unlock retries: sim-pin (3), sim-pin2 (3), sim-puk (10), sim-puk2 (10) | state: disabled | power state: on | signal quality: 0% (cached) -------------------------- Modes | supported: allowed: 2g; preferred: none | allowed: 3g; preferred: none | allowed: 2g, 3g; preferred: 3g | allowed: 2g, 3g; preferred: 2g | allowed: 2g, 4g; preferred: 4g | allowed: 2g, 4g; preferred: 2g | allowed: 3g, 4g; preferred: 3g | allowed: 3g, 4g; preferred: 4g | allowed: 2g, 3g, 4g; preferred: 4g | allowed: 2g, 3g, 4g; preferred: 3g | allowed: 2g, 3g, 4g; preferred: 2g | current: allowed: 4g; preferred: none -------------------------- Bands | supported: egsm, dcs, utran-1, utran-8, eutran-1, eutran-3, eutran-8, | eutran-38, eutran-39, eutran-40, eutran-41 | current: egsm, dcs, utran-1, utran-8, eutran-38, eutran-39, | eutran-40, eutran-41 -------------------------- IP | supported: ipv4, ipv6, ipv4v6 -------------------------- 3GPP | imei: - -------------------------- SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0 pi@okamoto:~ $ sudo mmcli -m 0 --set-current-bands='egsm|dcs|utran-1|utran-8|eutran-1|eutran-3|eutran-8|eutran-38|eutran-39|eutran-40|eutran-41' error: couldn't set current bands: 'GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying' >From the log: ModemManager[9479]: <debug> [1592058532.908774] Messaging capabilities supported ModemManager[9479]: <debug> [1592058532.909798] Supported storages loaded: ModemManager[9479]: <debug> [1592058532.910080] mem1 (list/read/delete) storages: 'sm, me' ModemManager[9479]: <debug> [1592058532.910259] mem2 (write/send) storages: 'sm, me' ModemManager[9479]: <debug> [1592058532.910411] mem3 (reception) storages: 'sm, me' ModemManager[9479]: <debug> [1592058532.911146] Couldn't initialize current storages: 'No AT port available to run command' ModemManager[9479]: <debug> [1592058532.913004] Voice support check failed: 'No AT port available to run command' ModemManager[9479]: <debug> [1592058532.913483] Couldn't initialize interface: 'Voice not supported' ModemManager[9479]: <debug> [1592058532.914928] Time support check failed: 'No AT port available to run command' ModemManager[9479]: <debug> [1592058532.916613] Couldn't initialize interface: 'Time not supported' ModemManager[9479]: <debug> [1592058532.918224] Extended signal capabilities supported ModemManager[9479]: <debug> [1592058532.921935] OMA capabilities not supported ModemManager[9479]: <debug> [1592058532.923242] Couldn't initialize interface: 'OMA not supported' ModemManager[9479]: <info> [1592058532.928803] Modem: state changed (unknown -> disabled) ModemManager[9479]: <debug> [1592058532.930787] modem properly initialized ModemManager[9479]: <debug> [1592058532.944847] [device /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4] exported modem at path '/org/freedesktop/ModemManager1/Modem/0' ModemManager[9479]: <debug> [1592058532.947256] [device /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4] plugin: Generic ModemManager[9479]: <debug> [1592058532.947840] [device /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4] vid:pid: 0x2020:0x2033 ModemManager[9479]: <debug> [1592058547.672452] Setting new list of bands: 'egsm, dcs, utran-1, utran-8, eutran-1, eutran-3, eutran-8, eutran-38, eutran-39, eutran-40, eutran-41' Segmentation fault pi@okamoto:~ $ Looks like MM crashed too so I wonder if it has something to do with my setup please? Thanks, Leo
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