On October 13, 2016 12:10:07 PM CEST, Hans-Peter Jansen <h...@urpla.net> wrote:
>T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  7 Spd=480 MxCh= 0
>D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
>P:  Vendor=1199 ProdID=9079 Rev=00.06
>S:  Manufacturer=Sierra Wireless, Incorporated
>S:  Product=Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A
>S:  SerialNumber=LF62830495041014
>C:  #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=500mA
>I:  If#=12 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=qmi_wwan
>I:  If#=13 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=qmi_wwan

That's the wrong driver. Nothing is ever going to work that way.

This is NOT the result of a default configuration.  You need to start from 
scratch. Remove ever change affecting the modem and install a clean environment 
with defaults for everything.

>I'm not that deep into the usb protocol but obviously, the kernel
>accept the interface numbers 12 and 13.

It does accept them. It's just a warning.  Bo need to worry about that. It's 

Yes, the warning is obviously misleading although formally correct. But I've 
not been successful getting it removed or demoted.

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