FCC authentication with QMI over MBIM; try 1

Aleksander Morgado aleksander at aleksander.es
Mon Jun 13 17:30:16 UTC 2016

On Mon, Jun 13, 2016 at 1:01 AM, Andreas Fett <andreas.fett at secunet.com> wrote:
> On 10/06/16 20:46, Stefan Armbruster wrote:
>> On a unrelated note: my 4G signal is rather poor. Mobile phone
>> typically flips back and forth between 2g and 3g. I have the feeling
>> that the Sierra modem does not really fall back to 2g. The connection
>> is established very fast and reproducible, I do get IP address
>> assigned, but it seems that I'm only sending out packets but don't
>> receive anything.
> I am experiencing the same issue, also using the EM7455 (in this case in
> a Lenovo T460s). ModemManager libmbim and libqmi from the qmi-over-mbim
> branches.
> Connect works fine, address is assigned but there is no traffic.
> Is there anything I can help with to debug this further?

Andreas, you're seeing the same issue as Rasmus in the other email
thread. I'll try to get a new patch later today and let you both know.


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