Cant connect to network on thinkpad x240

[Dan Williams]

On Fri, 2016-09-30 at 22:33 +0200, Aleksander Morgado wrote:
> On Fri, Sep 30, 2016 at 3:24 PM, Alfredo Palhares <alfredo at palhares.m
> e> wrote:
> > 
> > ModemManager[31417]: <info>  Simple connect started...
> > ModemManager[31417]: <debug>    PIN: <pin>
> > ModemManager[31417]: <debug>    Operator ID: unspecified
> > ModemManager[31417]: <debug>    Allowed roaming: yes
> > ModemManager[31417]: <debug>    APN: internet
> > ModemManager[31417]: <debug>    IP family: unspecified
> > ModemManager[31417]: <debug>    Allowed authentication: unspecified
> > ModemManager[31417]: <debug>    User: tmn
> > ModemManager[31417]: <debug>    Password: tmn
> > ModemManager[31417]: <debug>    Number: unspecified
> > ModemManager[31417]: <info>  Simple connect state (4/8): Wait to
> > get fully
> > enabled
> > ModemManager[31417]: <info>  Simple connect state (5/8): Register
> > ModemManager[31417]: <debug> Launching automatic network
> > registration...
> > ModemManager[31417]: <debug> (ttyACM0) device open count is 2
> > (open)
> > ModemManager[31417]: <debug> (ttyACM0): --> 'AT+COPS=0<CR>'
> > ModemManager[31417]: <debug> (ttyACM0): <-- '<CR><LF>+CME ERROR:
> > 4<CR><LF>'
> > ModemManager[31417]: <debug> Got failure code 4: Operation not
> > supportedModemManager[31417]: <debug> Modem
> > /org/freedesktop/ModemManager1/Modem/0: access technology changed
> > (umts ->
> > unknown)
> > ModemManager[31417]: <debug> (ttyACM0) device open count is 1
> > (close)
> > 
> > Any ideas what could I be doing wrong? How to further debug the
> > problem?
> 
> Requesting automatic registration in network fails? Weird...
> Can you try to run the following sequence and see what we get?
> 
> $ mmcli -m 0 --enable
> $ mmcli -m 0 --3gpp-scan

I was going to try this with my own 5321 today, ran out of time.

Alfredo, what firmware version do you have on that device?  "mmcli -m
0" will tell you.  Also has this device worked before with ModemManager
and it just recently stopped, or have you never had it working
successfully with MM?

Dan