EM9293 turn RadioPowerON on RHEL 10

[hookprobe.com]

Hello – have you experienced the same problem?

Modem was being able to coonect to UGW but now the RadioPowerOFF flag is on.

How to turn the EM9293 radio power on???

mbimcli --device=/dev/cdc-wdm0 --device-open-proxy --set-radio-state=on
error: operation failed: Failure

mbimcli --device=/dev/cdc-wdm0 --set-radio-state=on
error: operation failed: Failure
error: couldn’t close device: Transaction timed out

uerying registration state ‘mbimcli -d /dev/cdc-wdm0 --query-registration-state --device-open-proxy’…
[/dev/cdc-wdm0] Registration status: Network error: ‘none’ Register state: ‘deregistered’ Register mode: ‘automatic’ Available data classes: ‘none’ Current cellular class: ‘gsm’ Provider ID: ‘unknown’ Provider name: ‘unknown’ Roaming text: ‘unknown’ Registration flags: ‘packet-service-automatic-attach’
Attaching to packet service with ‘mbimcli -d /dev/cdc-wdm0 --attach-packet-service --device-open-proxy’…
error: operation failed: RadioPowerOff
Starting network with ‘mbimcli -d /dev/cdc-wdm0 --connect=apn=‘internet.vodafone.ro’ --device-open-proxy’…
warning: key ‘apn’ is deprecated, use ‘access-string’ instead
error: operation failed: RadioPowerOff
Network start failed

[/dev/cdc-wdm0] Radio state retrieved:
Hardware radio state: ‘on’
Software radio state: ‘off’

[jyijyi]

Other user can make it work

EM91 5G SA connection issues with mbim

Hello, i follow the following steps to connect to a PDN on 5G SA simulator with EM91: (Linux SDK (EM9190) - Application Developer’s Guide_R12_T (1).pdf) sudo mbimcli -d /dev/cdc-wdm1 -v -p --set-radio-state=on sudo mbimcli -d /dev/cdc-wdm1 -v -p --connect=apn=internet,ip-type=ipv4,session-id=0 This sequence works perfectly in 5G NSA but not in SA. In SA, we are not able to connect to our internet apn. We notice that in this case the modem always use the context 1 in AT+CGDCOUNT whatever th…

I just have tried on my module, no problem is found.
After typing the mbimcli command in ubuntu 18, AT+CFUN? returns online:

owner@ubuntu:~$ sudo mbimcli -d /dev/cdc-wdm0 -v -p --set-radio-state=on
[sudo] password for owner: 
[25 Feb 2025, 01:43:07] [Debug] opening device...
[25 Feb 2025, 01:43:07] [Debug] cannot connect to proxy: Could not connect: Connection refused
[25 Feb 2025, 01:43:07] [Debug] spawning new mbim-proxy (try 1)...
[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Read max control message size from descriptors file: 4096
[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message...
<<<<<< RAW:
<<<<<<   length = 88
<<<<<<   data   = 03:00:00:00:58:00:00:00:01:00:00:00:01:00:00:00:00:00:00:00:83:8C:F7:FB:8D:0D:4D:7F:87:1E:D7:1D:BE:FB:B3:9B:01:00:00:00:01:00:00:00:28:00:00:00:0C:00:00:00:1A:00:00:00:1E:00:00:00:2F:00:64:00:65:00:76:00:2F:00:63:00:64:00:63:00:2D:00:77:00:64:00:6D:00:30:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<<   length      = 88
<<<<<<   type        = command (0x00000003)
<<<<<<   transaction = 1
<<<<<< Fragment header:
<<<<<<   total   = 1
<<<<<<   current = 0
<<<<<< Contents:
<<<<<<   service = 'proxy-control' (838cf7fb-8d0d-4d7f-871e-d71dbefbb39b)
<<<<<<   cid     = 'configuration' (0x00000001)
<<<<<<   type    = 'set' (0x00000001)
<<<<<< Fields:
<<<<<<   DevicePath = '/dev/cdc-wdm0'
<<<<<<   Timeout = '30'

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>>   length = 48
>>>>>>   data   = 03:00:00:80:30:00:00:00:01:00:00:00:01:00:00:00:00:00:00:00:83:8C:F7:FB:8D:0D:4D:7F:87:1E:D7:1D:BE:FB:B3:9B:01:00:00:00:00:00:00:00:00:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message (translated)...
>>>>>> Header:
>>>>>>   length      = 48
>>>>>>   type        = command-done (0x80000003)
>>>>>>   transaction = 1
>>>>>> Fragment header:
>>>>>>   total   = 1
>>>>>>   current = 0
>>>>>> Contents:
>>>>>>   status error = 'None' (0x00000000)
>>>>>>   service      = 'proxy-control' (838cf7fb-8d0d-4d7f-871e-d71dbefbb39b)
>>>>>>   cid          = 'configuration' (0x00000001)

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message...
<<<<<< RAW:
<<<<<<   length = 16
<<<<<<   data   = 01:00:00:00:10:00:00:00:02:00:00:00:00:10:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<<   length      = 16
<<<<<<   type        = open (0x00000001)
<<<<<<   transaction = 2
<<<<<< Contents:
<<<<<<   max control transfer = 4096

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>>   length = 16
>>>>>>   data   = 01:00:00:80:10:00:00:00:02:00:00:00:00:00:00:00

[25 Feb 2025, 01:43:08] [Debug] MBIM Device at '/dev/cdc-wdm0' ready
[25 Feb 2025, 01:43:08] [Debug] Asynchronously setting radio state to on...
[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message...
<<<<<< RAW:
<<<<<<   length = 52
<<<<<<   data   = 03:00:00:00:34:00:00:00:03:00:00:00:01:00:00:00:00:00:00:00:A2:89:CC:33:BC:BB:8B:4F:B6:B0:13:3E:C2:AA:E6:DF:03:00:00:00:01:00:00:00:04:00:00:00:01:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<<   length      = 52
<<<<<<   type        = command (0x00000003)
<<<<<<   transaction = 3
<<<<<< Fragment header:
<<<<<<   total   = 1
<<<<<<   current = 0
<<<<<< Contents:
<<<<<<   service = 'basic-connect' (a289cc33-bcbb-8b4f-b6b0-133ec2aae6df)
<<<<<<   cid     = 'radio-state' (0x00000003)
<<<<<<   type    = 'set' (0x00000001)
<<<<<< Fields:
<<<<<<   RadioState = 'on'

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>>   length = 52
>>>>>>   data   = 07:00:00:80:34:00:00:00:00:00:00:00:01:00:00:00:00:00:00:00:A2:89:CC:33:BC:BB:8B:4F:B6:B0:13:3E:C2:AA:E6:DF:03:00:00:00:08:00:00:00:01:00:00:00:01:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message (translated)...
>>>>>> Header:
>>>>>>   length      = 52
>>>>>>   type        = indicate-status (0x80000007)
>>>>>>   transaction = 0
>>>>>> Fragment header:
>>>>>>   total   = 1
>>>>>>   current = 0
>>>>>> Contents:
>>>>>>   service = 'basic-connect' (a289cc33-bcbb-8b4f-b6b0-133ec2aae6df)
>>>>>>   cid     = 'radio-state' (0x00000003)
>>>>>> Fields:
>>>>>>   HwRadioState = 'on'
>>>>>>   SwRadioState = 'on'

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>>   length = 56
>>>>>>   data   = 03:00:00:80:38:00:00:00:03:00:00:00:01:00:00:00:00:00:00:00:A2:89:CC:33:BC:BB:8B:4F:B6:B0:13:3E:C2:AA:E6:DF:03:00:00:00:00:00:00:00:08:00:00:00:01:00:00:00:01:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message (translated)...
>>>>>> Header:
>>>>>>   length      = 56
>>>>>>   type        = command-done (0x80000003)
>>>>>>   transaction = 3
>>>>>> Fragment header:
>>>>>>   total   = 1
>>>>>>   current = 0
>>>>>> Contents:
>>>>>>   status error = 'None' (0x00000000)
>>>>>>   service      = 'basic-connect' (a289cc33-bcbb-8b4f-b6b0-133ec2aae6df)
>>>>>>   cid          = 'radio-state' (0x00000003)
>>>>>> Fields:
>>>>>>   HwRadioState = 'on'
>>>>>>   SwRadioState = 'on'

[/dev/cdc-wdm0] Radio state retrieved:
	     Hardware radio state: 'on'
	     Software radio state: 'on'
[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message...
<<<<<< RAW:
<<<<<<   length = 12
<<<<<<   data   = 02:00:00:00:0C:00:00:00:04:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<<   length      = 12
<<<<<<   type        = close (0x00000002)
<<<<<<   transaction = 4

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>>   length = 16
>>>>>>   data   = 02:00:00:80:10:00:00:00:04:00:00:00:00:00:00:00

[25 Feb 2025, 01:43:08] [Debug] [/dev/cdc-wdm0] channel destroyed
[25 Feb 2025, 01:43:08] [Debug] Device closed

[hookprobe.com]

This MODEDM isnt supported on RHEL systems, you can use it only with cdc_mbim no qcserial driver available at the moment.