[Bug 1686573] Re: USB Modem not displayed in network manager

[Carlo Lobrano]

It seems that both ModemManager and NetworkManager are doing the right
thing

    Apr 27 10:57:05 Paul-HP-Laptop ModemManager[846]: <info> Modem /org/freedesktop/ModemManager1/Modem/1: state changed (enabling -> registered)
    Apr 27 10:57:06 Paul-HP-Laptop NetworkManager[898]: <info> [1493254626.0016] (ttyUSB2): modem state changed, 'enabling' --> 'registered' (reason: user-requested)


If you're able to reproduce the issue, could you please enable debug logs in both NetworkManager and ModemManager?

Please do the following (I know, it's a bit long, sorry for that)

$ sudo systemctl stop NetworkManager
$ sudo systemctl stop ModemManager

$ sudo NetworkManager --log-level=DEBUG --debug | tee $HOME/network-
manager.logs

then open a new shell and run:

$ sudo ModemManager -d | tee $HOME/modem-manager.logs

and then attach the two log file in your home directory

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https://bugs.launchpad.net/bugs/1686573

Title:
  USB Modem not displayed in network manager

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