And in case it could help someone, this workaround systemd unit helps me. With this unit connection could be established after suspend.
/etc/systemd/system/ModemManagerHook.service: [Unit] Description=ModemManager sleep hook Before=sleep.target StopWhenUnneeded=yes [Service] Type=oneshot RemainAfterExit=yes ExecStart=-/bin/systemctl stop ModemManager ExecStop=-/bin/systemctl start ModemManager [Install] WantedBy=sleep.target -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1326954 Title: Sierra Wireless EM7305 (Fujitsu Lifebook S904) does not work after suspend/hibernate To manage notifications about this bug go to: https://bugs.launchpad.net/modemmanager/+bug/1326954/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
