I had the problem now on Ubuntu 16.04, ModemManager running using one cpu for 10minutes already, after a logout and login with no reboot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/664179 Title: modemmanager (network-manager-applet) creates high cpu temperature while mobilephone (LG Arena) is used as modem. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/664179/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs