ModemManager using QMI doesnt always work in the first attemp.

[José]

Sorry for the delay.

This is the debug log for the Telit LE910 with a Vodafone SIM:
http://pastebin.com/U7EBv8sr

The test case is:
- Boot the device
- Issue: mmcli -m 0 --simple-connect=apn=ac.vodafone.es
This command returns: error: couldn't connect the modem: 'The connection is
closed'


On Thu, Nov 12, 2015 at 1:22 PM, Aleksander Morgado <
aleksander at aleksander.es> wrote:

> On Thu, Nov 12, 2015 at 1:15 PM, José <Joseddg92 at gmail.com> wrote:
> >
> > I am working with two different QMI modems (Telit LE910 and Sierra
> MC7710 in QMI mode) and experimenting one issue with both of them.
> >
> > After boot I try to establish the connection:
> >
> > ModemManager &
> > (wait for the modem to be detected)
> > mmcli -m 0 --simple-connect="apn=.."
> >
> > This somtimes works, but most of the time fails. However, when it fails,
> issuing
> > mmcli -m 0 --simple-connect="apn=.."
> > always works.
> >
> > I don't think it is related to the enviroment, because other modems (or
> even the same Sierra MC7710 using MBIM or Direct IP) work fine.
> >
> > The common error is this (complete logs at the end)
> >
> > ModemManager[684]: [/dev/cdc-wdm0] No transaction matched in received
> message
> >
> >
> > What could be causing that?
>
>
> Can you gather *debug* logs? Thanks!
>
>
> --
> Aleksander
> https://aleksander.es
>
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