Hi,
We have a EM9190 modem in a GETAC tablet which is running Ubuntu 24. When trying to connect to the network using nmcli, we get the following error:
**failed to connect modem: Unsupported: Cannot disable multiplex support**
The modem itself seems fine though, mmcli -m 0 returns
----------------------------------
General | path: /org/freedesktop/ModemManager1/Modem/1
| device id: d88befef6b08fe2b1bcb3e098b051f9205a20466
----------------------------------
Hardware | manufacturer: Sierra Wireless, Incorporated
| model: EM9190
| firmware revision: SWIX55C_03.10.07.00 e32f05 jenkins 2022/12/14 16:18:06
| carrier config: default
| h/w revision: 1.0
| supported: gsm-umts, lte, 5gnr
| current: gsm-umts, lte, 5gnr
| equipment id: 351891305052133
----------------------------------
System | device: /sys/devices/pci0000:00/0000:00:1c.0/0000:2c:00.0
| physdev: /sys/devices/pci0000:00/0000:00:1c.0/0000:2c:00.0
| drivers: mhi_net, mhi-pci-generic
| plugin: generic
| primary port: wwan0qmi0
| ports: mhi_hwip0 (net), wwan0at0 (at), wwan0mbim0 (mbim),
| wwan0qcdm0 (ignored), wwan0qmi0 (qmi)
----------------------------------
Status | lock: sim-pin2
| unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
| state: registered
| power state: on
| access tech: lte, 5gnr
| signal quality: 73% (recent)
----------------------------------
Modes | supported: allowed: 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 3g, 4g; preferred: 4g
| allowed: 3g, 4g; preferred: 3g
| allowed: 5g; preferred: none
| allowed: 4g, 5g; preferred: 5g
| allowed: 4g, 5g; preferred: 4g
| allowed: 3g, 5g; preferred: 5g
| allowed: 3g, 5g; preferred: 3g
| allowed: 3g, 4g, 5g; preferred: 5g
| allowed: 3g, 4g, 5g; preferred: 4g
| allowed: 3g, 4g, 5g; preferred: 3g
| current: allowed: 3g, 4g, 5g; preferred: 5g
----------------------------------
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-32, eutran-34, eutran-38, eutran-39,
| eutran-40, eutran-41, eutran-42, eutran-43, eutran-46, eutran-48,
| eutran-66, eutran-71, utran-19, ngran-1, ngran-2, ngran-3, ngran-5,
| ngran-7, ngran-8, ngran-12, ngran-20, ngran-25, ngran-28, ngran-38,
| ngran-40, ngran-41, ngran-48, ngran-66, ngran-71, ngran-77, ngran-78,
| ngran-79
| current: 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-32, eutran-34, eutran-38, eutran-39,
| eutran-40, eutran-41, eutran-42, eutran-43, eutran-46, eutran-48,
| eutran-66, eutran-71, utran-19, ngran-1, ngran-2, ngran-3, ngran-5,
| ngran-7, ngran-8, ngran-12, ngran-20, ngran-25, ngran-28, ngran-38,
| ngran-40, ngran-41, ngran-48, ngran-66, ngran-71, ngran-77, ngran-78,
| ngran-79
----------------------------------
IP | supported: ipv4, ipv6, ipv4v6
----------------------------------
3GPP | imei: 351891305052133
| enabled locks: fixed-dialing
| operator id: 20610
| operator name: Orange B
| registration: home
| packet service state: attached
----------------------------------
3GPP EPS | ue mode of operation: csps-2
| initial bearer path: /org/freedesktop/ModemManager1/Bearer/0
| initial bearer apn: nrbroadband
| 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: none
----------------------------------
Bearer | paths: /org/freedesktop/ModemManager1/Bearer/6
| /org/freedesktop/ModemManager1/Bearer/5
| /org/freedesktop/ModemManager1/Bearer/4
| /org/freedesktop/ModemManager1/Bearer/3
| /org/freedesktop/ModemManager1/Bearer/2
| /org/freedesktop/ModemManager1/Bearer/1
Any tips on how to resolve this?