LN920: MBIM Bands not shown (MM 1.18.2)
Daniele Palmas
dnlplm at gmail.com
Mon Oct 11 17:02:13 UTC 2021
Hi Amol,
Il giorno lun 11 ott 2021 alle ore 15:03 Amol Lad <Amol.Lad at 4rf.com> ha scritto:
>
> Hi Daniele,
>
>
>
> I’m patched my MM 1.18.2 with your MR (LN920 Initial Support) and testing LN920 in MBIM mode. I’m noticing that the “supported” and “current” bands are not shown in “mmcli -m 0” output and below error is seen in the logs:
>
>
>
> <warn> [modem0] couldn't load supported bands: Could not find 4G band flags from response
>
>
>
> Any suggestion what could be going wrong?
>
I think this is coming from the failure of the regex for collecting
the supported bands with #BND=?
It should be fixed for LN920 output.
Regards,
Daniele
>
>
> mmcli -m 0 output in both MBIM and QMI is below:
>
>
>
>
>
> MBIM
>
> ----
>
>
>
> # mmcli -m 0
>
> ----------------------------------
>
> General | path: /org/freedesktop/ModemManager1/Modem/0
>
> | device id: 168c2aa5755860bee3694899a635af0df25e7fcf
>
> ----------------------------------
>
> Hardware | manufacturer: Telit Wireless Solutions
>
> | model: LN920
>
> | firmware revision: SDX12.LE.1.0-00085-NBOOT.NEFS.
>
> | carrier config: default
>
> | h/w revision: LN920A12-WW
>
> | supported: gsm-umts, lte
>
> | current: gsm-umts, lte
>
> | equipment id: 354175759991229
>
> ----------------------------------
>
> System | device: /sys/devices/platform/soc/soc:internal-regs/f10f0000.usb3/usb2/2-1
>
> | drivers: cdc_mbim, option1
>
> | plugin: telit
>
> | primary port: cdc-wdm0
>
> | ports: cdc-wdm0 (mbim), ttyUSB0 (ignored), ttyUSB1 (gps),
>
> | ttyUSB2 (at), ttyUSB3 (at), ttyUSB4 (ignored), wwan0 (net)
>
> ----------------------------------
>
> Numbers | own: 9108813566
>
> ----------------------------------
>
> Status | unlock retries: sim-pin2 (3)
>
> | state: connected
>
> | power state: on
>
> | access tech: lte
>
> | signal quality: 12% (recent)
>
> ----------------------------------
>
> Modes | supported: allowed: 3g; preferred: none
>
> | allowed: 4g; preferred: none
>
> | allowed: 3g, 4g; preferred: none
>
> | current: allowed: 4g; preferred: none
>
> ----------------------------------
>
> IP | supported: ipv4, ipv6, ipv4v6
>
> ----------------------------------
>
> 3GPP | imei: 354175759991229
>
> | enabled locks: fixed-dialing
>
> | operator id: 40445
>
> | operator name: airtel
>
> | registration: home
>
> ----------------------------------
>
> 3GPP EPS | ue mode of operation: csps-2
>
> | initial bearer path: /org/freedesktop/ModemManager1/Bearer/0
>
> | initial bearer ip type: ipv4v6
>
> ----------------------------------
>
> SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
>
> | sim slot paths: slot 1: /org/freedesktop/ModemManager1/SIM/0 (active)
>
> | slot 2: /org/freedesktop/ModemManager1/SIM/1
>
> ----------------------------------
>
> Bearer | paths: /org/freedesktop/ModemManager1/Bearer/1
>
>
>
>
>
> QMI
>
> ---
>
>
>
> ----------------------------------
>
> General | path: /org/freedesktop/ModemManager1/Modem/0
>
> | device id: 5c1922b03727107842603eccdea2bb4cd26436f5
>
> ----------------------------------
>
> Hardware | manufacturer: Telit
>
> | model: LN920A12-WW
>
> | firmware revision: M0L.000000-A006
>
> | carrier config: default
>
> | h/w revision: 10001
>
> | supported: gsm-umts, lte
>
> | current: gsm-umts, lte
>
> | equipment id: 354175759991229
>
> ----------------------------------
>
> System | device: /sys/devices/platform/soc/soc:internal-regs/f10f0000.usb3/usb2/2-1
>
> | drivers: option1, qmi_wwan
>
> | plugin: telit
>
> | primary port: cdc-wdm0
>
> | ports: cdc-wdm0 (qmi), ttyUSB0 (ignored), ttyUSB1 (gps),
>
> | ttyUSB2 (at), ttyUSB3 (at), ttyUSB4 (ignored), wwan0 (net)
>
> ----------------------------------
>
> Numbers | own: 9108813566
>
> ----------------------------------
>
> Status | lock: sim-pin2
>
> | unlock retries: sim-pin (3), sim-pin2 (3), sim-puk (10), sim-puk2 (10)
>
> | state: connected
>
> | power state: on
>
> | access tech: lte
>
> | signal quality: 42% (recent)
>
> ----------------------------------
>
> Modes | supported: allowed: 3g; preferred: none
>
> | allowed: 4g; preferred: none
>
> | allowed: 3g, 4g; preferred: 4g
>
> | allowed: 3g, 4g; preferred: 3g
>
> | current: allowed: 4g; preferred: none
>
> ----------------------------------
>
> Bands | supported: utran-1, utran-3, utran-4, utran-6, utran-5, utran-8,
>
> | utran-9, utran-2, eutran-1, eutran-2, eutran-3, eutran-4, eutran-5,
>
> | eutran-7, eutran-8, eutran-12, eutran-13, eutran-14, eutran-17,
>
> | eutran-18, eutran-19, eutran-20, eutran-25, eutran-26, eutran-28,
>
> | eutran-29, eutran-30, eutran-38, eutran-39, eutran-40, eutran-41,
>
> | eutran-42, eutran-43, eutran-48, eutran-66, eutran-71, utran-19
>
> | current: eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7,
>
> | eutran-8, eutran-12, eutran-13, eutran-14, eutran-17, eutran-18,
>
> | eutran-19, eutran-20, eutran-25, eutran-26, eutran-28, eutran-29,
>
> | eutran-30, eutran-38, eutran-39, eutran-40, eutran-41, eutran-42,
>
> | eutran-43, eutran-48, eutran-66, eutran-71
>
> ----------------------------------
>
> IP | supported: ipv4, ipv6, ipv4v6
>
> ----------------------------------
>
> 3GPP | imei: 354175759991229
>
> | enabled locks: fixed-dialing
>
> | operator id: 40445
>
> | operator name: airtel
>
> | registration: home
>
> ----------------------------------
>
> 3GPP EPS | ue mode of operation: csps-2
>
> | initial bearer path: /org/freedesktop/ModemManager1/Bearer/0
>
> | initial bearer ip type: ipv4v6
>
> ----------------------------------
>
> SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
>
> | sim slot paths: slot 1: /org/freedesktop/ModemManager1/SIM/0 (active)
>
> | slot 2: /org/freedesktop/ModemManager1/SIM/1
>
> ----------------------------------
>
> Bearer | paths: /org/freedesktop/ModemManager1/Bearer/1
>
>
>
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