Huawei ME906s: mbim transaction timeout

[Dan Williams]

On Wed, 2016-11-02 at 15:15 +0100, Andreas Fett wrote:
> Hi,
> 
> for certain SIM cards (Vodafone Germany) and in certain Systems (ie.
> Lenovo t460s) ModemManager seems to have trouble detecting the modem.
> 
> We have observed this for a couple of those combinations. Other SIM
> cards seem to work fine and other thinkpad models aren't affected
> either.
> 
> The log shows a timeout during an mbim transaction. The expected
> reply
> however seems to arrive after that.
> 
> Is there any other hint in the logs what might be the cause of this?

How long after the transaction timeout does the MBIM reply come in?
 Also, how long until the indication for SIM/PAC?

Dan