ublox SARA-U260 not showing up in mmcli

[Brent Sink]

> Oh, that's weird. Which serial port settings are you using when

> opening the TTY on minicom?

I'm using 115200 8N1

> Could you get ModemManager debug logs as well to see where/how the
> port probing fails?
> https://www.freedesktop.org/wiki/Software/ModemManager/Debugging/

Here is where ModemManager seems to fail.  It looks like it sends "AT", but never gets a response.  I does properly select the ublox plugin though.

ModemManager[705]: <debug> [1494042020.639634] [mm-port-serial.c:1114] mm_port_serial_open(): (ttyACM0) opening serial port...
ModemManager[705]: <debug> [1494042020.641101] [mm-port-serial.c:415] real_config_fd(): (ttyACM0): setting up baudrate: 57600
ModemManager[705]: <debug> [1494042020.641367] [mm-port-serial.c:1244] mm_port_serial_open(): (ttyACM0) device open count is 1 (open)
ModemManager[705]: <debug> [1494042020.642450] [mm-port-serial.c:393] internal_tcsetattr(): (ttyACM0): port attributes not fully set
ModemManager[705]: <debug> [1494042020.645462] [mm-port-serial-at.c:459] debug_log(): (ttyACM3): --> 'AT<CR>'
ModemManager[705]: <debug> [1494042020.645737] [mm-port-serial-at.c:459] debug_log(): (ttyACM2): --> 'AT<CR>'
ModemManager[705]: <debug> [1494042020.740322] [mm-port-serial-at.c:459] debug_log(): (ttyACM1): --> 'AT<CR>'
ModemManager[705]: <debug> [1494042020.744884] [mm-port-serial-at.c:459] debug_log(): (ttyACM0): --> 'AT<CR>'
ModemManager[705]: <debug> [1494042027.618007] [mm-port-probe-at.c:43] mm_port_probe_response_processor_is_at(): Parsing AT got: 'Serial command timed out'
ModemManager[705]: <debug> [1494042027.618729] [mm-port-probe-at.c:43] mm_port_probe_response_processor_is_at(): Parsing AT got: 'Serial command timed out'

Any thoughts?

> The patch in the github repo could help, but first you need to have
> the TTYs properly detected.

> --
> Aleksander
> https://aleksander.es

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