u-Blox SARA on Raspberry Pi - No connection

[Aleksander Morgado]

On Fri, Jul 1, 2016 at 12:11 AM, Andrew Mackintosh
<captain.nooblan at gmail.com> wrote:
> Jul 01 09:59:35 raspberrypi pppd[2764]: Plugin
> /usr/lib/pppd/2.4.6/nm-pppd-plugin.so loaded.
> Jul 01 09:59:35 raspberrypi NetworkManager[2691]: Plugin
> /usr/lib/pppd/2.4.6/nm-pppd-plugin.so loaded.
> Jul 01 09:59:35 raspberrypi NetworkManager[2691]: nm-pppd-plugin-Message:
> nm-ppp-plugin: (plugin_init): initializing
> Jul 01 09:59:35 raspberrypi pppd[2764]: pppd 2.4.6 started by root, uid 0
> Jul 01 09:59:35 raspberrypi NetworkManager[2691]: nm-pppd-plugin-Message:
> nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <warn> pppd timed out or
> didn't initialize our dbus module
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <info> Activation (ttyS0)
> Stage 4 of 5 (IPv4 Configure Timeout) scheduled...
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <info> Activation (ttyS0)
> Stage 4 of 5 (IPv4 Configure Timeout) started...
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <info> (ttyS0): device
> state change: ip-config -> failed (reason 'ip-config-unavailable') [70 120
> 5]
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <warn> Activation (ttyS0)
> failed for connection 'Vodafone'
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <info> Activation (ttyS0)
> Stage 4 of 5 (IPv4 Configure Timeout) complete.
> Jul 01 09:59:55 raspberrypi NetworkManager[2691]: <info> (ttyS0): device
> state change: failed -> disconnected (reason 'none') [120 30 0]

Yeah, looks like pppd is timing out. You could try to run the
connection manually (e.g. mmcli -0 --simple-connect="apn=vodafone")
and then run pppd with -d on the tty to get debug info from pppd.

-- 
Aleksander
https://aleksander.es