Re: Is it ok if ModemManager process is killed AFTER network-interface is brought up and IP-Address assigned?

2016-08-11 Thread Ajay Garg
Hi Alex. Right now, the modem is being used in Direct-IP mode (using both "sierra" and "sierra_net" drivers). Have posted a query https://lkml.org/lkml/2016/8/11/135, specifying the details, and having some queries. On Thu, Aug 11, 2016 at 6:45 PM, Alex Ferm wrote: > From the specifications it

Re: Is it ok if ModemManager process is killed AFTER network-interface is brought up and IP-Address assigned?

2016-08-11 Thread Alex Ferm
From the specifications it looks like your modem has a QMI interface. I'm surprised ModemManager isn't using that. When ModemManager connects to a QMI modem it uses a proxy, which allows multiple applications to access the interface. Alex Ferm PetroPower, LLC. 3003 E. 37th Street N. Suite 100

Re: Is it ok if ModemManager process is killed AFTER network-interface is brought up and IP-Address assigned?

2016-08-09 Thread Ajay Garg
I might point that if I comment the "respawn" option in "/etc/init/modemmanager.conf" and then start the modem-manager binary from command-line, the broadband connection gets disconnected as soon as I exit the binary. So, I guess the answer to my question is "no", but just want to confirm. Also, i

Re: Is it ok if ModemManager process is killed AFTER network-interface is brought up and IP-Address assigned?

2016-08-09 Thread Ajay Garg
Any pointers, please? On Tue, Aug 9, 2016 at 12:46 PM, Ajay Garg wrote: > Hi All. > > We are using Sierra's USB-to-WWAN driver on Ubuntu-14 for Sierra's MC8090 > modem, and we have a requirement wherein we need to have access to the > modem-serial-port (from our user-application that is). > > Rig

Is it ok if ModemManager process is killed AFTER network-interface is brought up and IP-Address assigned?

2016-08-09 Thread Ajay Garg
Hi All. We are using Sierra's USB-to-WWAN driver on Ubuntu-14 for Sierra's MC8090 modem, and we have a requirement wherein we need to have access to the modem-serial-port (from our user-application that is). Right now, we see that /usr/sbin/ModemManager is always connected to /dev/ttyUSB3 (which