FCC authentication with QMI over MBIM; try 1 -- Logs

Aleksander Morgado aleksander at aleksander.es
Wed Jun 29 17:54:57 UTC 2016

On Wed, Jun 29, 2016 at 6:11 PM, Bjørn Mork <bjorn at mork.no> wrote:
>> On Wed, Jun 29, 2016 at 2:18 PM, Aleksander Morgado
>> <aleksander at aleksander.es> wrote:
>>> On Wed, Jun 29, 2016 at 12:43 PM, Thomas Gouverneur <thomas at espix.net> wrote:
>>>> Any news on this? Is there something else I can do to help?
>>> I'm waiting on the EM7455 I ordered; should be here today or tomorrow.
>>> Another option would be if any of you could setup the laptop with an
>>> ethernet connection and SSH access so that we can remotely debug the
>>> issue ourselves. If any of you is up to this, send me a private email.
>> I got the new EM7455 here and I got the issue reproduced. We do send
>> FCC auth command using qmi-over-mbim, and that seems to work nice,
>> still no traffic flows once connected.
>> I'll try to sync with Bjørn to see if he can help checking the issue remotely
> That's great!  Reproducible problems are the best ones.  If I only knew
> where to start looking.  Hmm, wait.  Didn't I have similar problems too?
> See
> https://lists.freedesktop.org/archives/modemmanager-devel/2016-January/002595.html
> I got so into the habit of separating the pin verify and connect
> operations that forgot completely about that.  But the issue sounds
> similar.  Maybe it is a timing issue of some sort, which applies on any
> type of radio unlocking?
> Can you repeat the issue if you send the FCC auth command manually
> before enabling and connecting the modem?

I don't think that made any difference, not sure.


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