MC7455 'Call Failed'

Aleksander Morgado aleksander at
Thu Jun 22 21:29:22 UTC 2017

On Thu, Jun 22, 2017 at 10:11 PM, Tim Harvey <tharvey at> wrote:
>>> Also, I'm unclear how to NetworkManager on the QMI devices:
>>> root at ventana:~# nmcli connection add type gsm ifname cdc-wdm1 con-name
>>> mc7455 apn h2g2
>>> Connection 'mc7455' (5dc4516e-e857-4917-9542-0dee211b692a) successfully added.
>>> root at ventana:~# nmcli connection up id mc7455
>>> Error: Connection activation failed: No suitable device found for this
>>> connection.
>>> What is the appropriate interface to use for QMI devices (wwan1 gives
>>> the same error)? This is supposed to be the 'control interface' not
>>> the 'network interface' correct?
>> Retry without the "ifname cdc-wdm1" part; just add a gsm connection
>> type with the APN settings, without binding to an explicit modem, and
>> try to get that connected.
> I tried that originally but it requires ifname:
> root at ventana:~# nmcli connection add type gsm con-name mc7455 apn h2g2
> Error: mandatory 'ifname' not seen before 'apn'.

Dan, Thomas? I keep forgetting about this... How do you create a
connection not bound to any device? And, how do yo create a connection
bound to a given device/sim?


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