mmcli set-current-bands - Segmentation fault

[Leo K]

Hi all,

I'm trying to enable the LTE-FDD bands but getting the following error:

pi at 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 at 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 at 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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