Sierra MC7354 Modem - failing to connect

[Subramonia Pillai]

Hi,

I am using Sierrra MC7354 LTE modem. Here are the step to bring up the
connection.


mmcli -m 1
mmcli -m 1 -e
mmcli -i 1 --pin=0000
 mmcli -m 1 -e
 mmcli -m 1 --simple-connect="apn=JioNet"

Two issues I am facing.

1. The status shows the PIN2 lock, And I read I read somewhere in the net
it can ignored. Please confirm is it correct? Or is there any way we can
unlock PIN2?

  -------------------------
  Status   |           lock: 'sim-pin2'
           | unlock retries: 'sim-pin (3), sim-pin2 (3), sim-puk (10),
sim-puk2 (10)'
           |          state: 'enabled'
           |    power state: 'on'
           |    access tech: 'unknown'
           | signal quality: '0' (cached)

2.  mmcli -m 1 --simple-connect="apn=JioNet", as part bringing up the
connection is failing, the syslogs are below.


Mar 13 16:34:42 etx-2i-1 ModemManager[3930]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: 3GPP Registration state changed
(unknown -> idle)
Mar 13 16:34:44 etx-2i-1 ModemManager[3930]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: 3GPP Registration state changed
(idle -> unknown)
Mar 13 16:35:51 etx-2i-1 dbus[647]: apparmor="DENIED"
operation="dbus_method_call"  bus="system"
path="/org/freedesktop/ModemManager1"
interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects"
mask="send" name=":1.2" pid=4891
profile="snap.network-manager.networkmanager" peer_pid=3930
peer_profile="snap.modem-manager.modemmanager"
Mar 13 16:35:51 etx-2i-1 dbus[647]: apparmor="DENIED"
operation="dbus_method_call"  bus="system"
path="/org/freedesktop/ModemManager1"
interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects"
name=":1.7" mask="receive" pid=3930
profile="snap.modem-manager.modemmanager" peer_pid=4891
peer_profile="snap.network-manager.networkmanager"
Mar 13 16:35:51 etx-2i-1 NetworkManager[4891]: <warn>  [1520939151.7731]
error creating ModemManager client:
GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy
prevents this sender from sending this message to this recipient, 0 matched
rules; type="method_call", sender=":1.7" (uid=0 pid=4891
comm="/snap/network-manager/250/usr/sbin/NetworkManager ")
interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects"
error name="(unset)" requested_reply="0" destination=":1.2" (uid=0 pid=3930
comm="/snap/modem-manager/120/usr/sbin/ModemManager --lo")


Could anyone please correct me where I am making mistake.

Thanks
Subbu
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