Cm data connect - no response

#1

Hi, I have a MangOH green with 16.04. It has an active SIM (checked using cm radio) and correct apn (checked using cm data)…

however when I try can connect using cm data connect it just never responds. The legato Console shows the following message. How do I go about interpreting these?

I have also changed pdp to IPV4 only.

[quote]Jul 26 12:45:13 | Legato | =ERR= | modemDaemon[479]/le_pa T=main | pa_mdc_qmi.c StartSession() 1697 | Data connection failure Verbose Call End provided Type 6, Verbose 33
Jul 26 12:45:13 | Legato | =ERR= | modemDaemon[479]/modemDaemon T=main | le_mdc.c le_mdc_StartSession() 797 | Get Connection failure 11, 1018, 6, 33
Jul 26 12:45:27 | Legato | =ERR= | modemDaemon[479]/swiQmi T=main | swiQmi.c swiQmi_CheckResponse() 768 | Sending QMI_WDS_GET_RUNTIME_SETTINGS_REQ_V01 failed: rc=0 (), resp.result=1.[0x01], resp.error=15.[0x0f]
Jul 26 12:45:27 | Legato | =ERR= | modemDaemon[479]/swiQmi T=main | swiQmi.c swiQmi_CheckResponse() 768 | Sending QMI_WDS_GET_RUNTIME_SETTINGS_REQ_V01 failed: rc=0 (), resp.result=1.[0x01], resp.error=15.[0x0f]
Jul 26 12:45:28 | Legato | =ERR= | modemDaemon[479]/swiQmi T=main | swiQmi.c swiQmi_CheckResponse() 768 | Sending QMI_WDS_START_NETWORK_INTERFACE_REQ_V01 failed: rc=0 (), resp.result=1.[0x01], resp.error=14.[0x0e]
Jul 26 12:45:28 | Legato | =ERR= | modemDaemon[479]/le_pa T=main | pa_mdc_qmi.c StartSession() 1686 | Data connection failure Call End provided 11, Code 1018
Jul 26 12:45:28 | Legato | =ERR= | modemDaemon[479]/le_pa T=main | pa_mdc_qmi.c StartSession() 1697 | Data connection failure Verbose Call End provided Type 6, Verbose 33
Jul 26 12:45:28 | Legato | =ERR= | modemDaemon[479]/modemDaemon T=main | le_mdc.c le_mdc_StartSession() 797 | Get Connection failure 11, 1018, 6, 33[/quote]

Thanks,
Karl

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#2

Never mind… my APN was wrong after all :open_mouth:

But is there a reference for all these error codes and messages anywhere to help debug things in the future?

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#3

Not really, but here the error that you’re getting is simply a timeout when the MDC ask the modem to connect to the network.
Luckily you found the problem which was the APN, but a weak or busy network connection, or a problem with the subscription, would likely have had the exact same effects.

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#4

You can get more details about error codes from Legato source code.

Example, from your log we can see the following error message:
le_mdc.c le_mdc_StartSession() 797 | Get Connection failure [color=#FF0000]11[/color], 1018, 6, 33

From “le_mdc.c” source file, in “le_mdc_StartSession()” function, we can see that the first value (“11” in this example) is defined in the “le_mdc_DisconnectionReason_t” enum:
legato.io/legato-docs/latest/le_ … ource.html

LE_MDC_DISC_REQUESTED_SERVICE_OPTION_UNSUBSCRIBED = 11, ///< cf. 3GPP 24.008 Annex I1
So, you have been disconnected from network due to “requested service option not subscribed” (this is the reason returned by the network).


Jay

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