Resolved: Error - Asynchronously connecting to the modem: connection setup cancelled.

[Aleksander Morgado]

Hey!

>
> I discovered that the problem can be resolved by unloading some kernel modules and restarting modem manager.
>
> rmmod huawei_cdc_ncm
> rmmod cdc_mbim
> rmmod sierra
> rmmod sierra_net
> /etc/init.d/modemmanager restart
>
> mmcli -m 0 -d
> mmcli -m 0 -e
> mmcli -m 0 --simple-connect="apn=live.vodafone.com”
>
> I can put this in a script in my OS, but I have a question.  These modules do not seem to be required for my system to work, but they are dependences for compiling modem manager.  Why is that so?
>

This wouldn't make much sense... The only reason I can think of is
that my removing the MBIM driver your modem falls back to doing AT+PPP
and that works for you. Can you get a full ModemManager debug log
while trying to repro the issue (i.e. without removing kernel
drivers)?

-- 
Aleksander
https://aleksander.es