Comment 2 for bug 1231995

There's a large number of instances of ofono dying and being respawned by upstart:

Sep 27 12:03:36 ubuntu-phablet ofonod[1195]: [UNSOL]< UNSOL_RIL_CONNECTED
Sep 27 12:03:36 ubuntu-phablet ofonod[1195]: GET_SIM_STATUS reques failed: 2; retries: 1
[...]
Sep 27 12:03:39 ubuntu-phablet NetworkManager[1183]: <info> (/ril_0) updated available interfaces
Sep 27 12:03:40 ubuntu-phablet ofonod[1195]: Querying PIN authentication state failed
Sep 27 12:03:40 ubuntu-phablet NetworkManager[1183]: <info> ofono disappeared
Sep 27 12:03:40 ubuntu-phablet kernel: [ 21.828231] init: ofono main process (1195) killed by SEGV signal
Sep 27 12:03:40 ubuntu-phablet kernel: [ 21.828322] init: ofono main process ended, respawning
[...]
Sep 27 12:03:46 ubuntu-phablet ofonod[1967]: oFono version 1.12

This concerns me somewhat. Is this SIM locked by a PIN?

In the instance where you succesfully connected, it's one of the cases where there were no such errors about PIN authentication. I however can't explain how this might have changed without user intervention. One other failure seems to have been where ofono failed to respond to a dbus message.

Reassigning to ofono -- I sincerely think there is a bigger issue here which causes the connection to fail. I won't be able to reproduce this without having the same SIM (and since we're not in the same country either, it might be even harder). There is definitely a need for further investigation.

Michael, could you get debug logs from ofono? You should be able to edit /etc/init/ofono.conf to add "-d" to the exec ofonod line in that file, reboot, and still be able to reproduce the issue. In this case we'll get debug information in syslog which may help figuring out the problem.