Cannot connect to Octave

We have our first mangoh yellow successfully connected it to Octave and updated the firmware. We have built an image from the mangoh github repo and installed it. We have built the helloworld samples from the tutorials and installed those. Sometime in the process, however, we lost the connection to Octave such that it no longer connects. I have tried reverting back to mangOH-yellow-wp77xx_0.7.0-octave.spk and that doesn’t fix it. When I run ‘legato version’ I get:


but it is strange that my helloWorld app is still there. I must not completely understand where apps live compared the spk image that I’ve been installing.

When I run ifconfig, the rmnet0 is not claiming an ip address:
rmnet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:2000 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

The output of ‘cm radio’ seems ok:

root@swi-mdm9x28-wp:~# cm radio status
Power: ON
Current Network Operator: Sierra Wireless
Current RAT: LTE network (LE_MRC_RAT_LTE)
Status: Registered to a roaming network (LE_MRC_REG_ROAMING)
Signal: Very strong signal strength (5)
PS: Packet Switched Registered, home network (LE_MRC_REG_HOME)

Here is more:
root@swi-mdm9x28-wp:~# cm data
Index: 1
APN: iot.swir
PDP Type: IPV4V6
Connected: no

Tried running ‘cm data connect’ and this is what I get:
root@swi-mdm9x28-wp:~# cm data connect
Setting up profile 1
Connecting … ok
Checking if device ‘rmnet_data0’ is up … ok
Routing inet … ok
Updating /etc/resolv.conf … ok
Testing connection … failed

How do I get my mangoh yellow back to auto connecting?


We have had no coverage in Germany for the last 6 or 7 weeks, and coverage in the neighboring countries have been spotty as well. I don’t have the impression that Sierra Wireless takes it seriously as we get very little feedback on our inquiries.


Hello Jes,

Our connectivity team has been researching the root cause with our connectivity partners and this has taken some time to understand what changes might have occurred. You should have received some direct communication this morning.

We understand the impact to you and are working to provide you with a temporary workaround and a permanent solution.

Hi David,

I appreciate that you work on a solution but seven weeks of downtime on an industrial IoT system is so far beyond what can deemed acceptable. You are all nice and friendly but it seems your priorities are not focused on keeping availability somewhat acceptable.