Reloading stats failed: QMI operation failed: Transaction timed out

[ratnavel]

HI,

ModemManager - 1.10.8 ( Ubuntu 16.06.4)  running on a Sierra Wireless
EM74xx modem

Couldn't load extended signal information: No way to load extended signal
information
ModemManager[1222]: <warn>  Couldn't load extended signal information:
Couldn't peek QMI port
*ModemManager[1222]: <warn>  Reloading stats failed: QMI operation failed:
Transaction timed out*

After this error, the ModemManager doesn't recover until a modem reset is
performed. The modem is in a kind of locked state.

The IP is still existing and restarting the ModemManager or the system is
not helping out.

What does the above error mean and is Modem Reset the only option to bring
the modem out of this state ?

Thanks,
Ratnavel
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