Description of problem: My 2014 x1 carbon has s wwan card, which worked like a charm in fedora 20. Now NetworkManager does not detect the card. I can see the card with lsusb: lsusb Bus 003 Device 004: ID 04ca:7036 Lite-On Technology Corp. Bus 003 Device 003: ID 04f3:012d Elan Microelectronics Corp. Bus 003 Device 002: ID 8087:8000 Intel Corp. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:07dc Intel Corp. Bus 001 Device 003: ID 138a:0017 Validity Sensors, Inc. Fingerprint Reader Bus 001 Device 006: ID 1199:a001 Sierra Wireless, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub the card is this one: Bus 001 Device 006: ID 1199:a001 Sierra Wireless, Inc. the device file is present, as you can see: ls -al /dev/serial/by-id/usb-Sierra_Wireless_Inc._Sierra_Wireless_EM7345_4G_LTE_013937000310712-if02 lrwxrwxrwx. 1 root root 13 Jun 4 20:46 /dev/serial/by-id/usb-Sierra_Wireless_Inc._Sierra_Wireless_EM7345_4G_LTE_013937000310712-if02 -> ../../ttyACM0 Version-Release number of selected component (if applicable): fedora 22 rpm -qa |grep NetworkManager NetworkManager-team-1.0.2-1.fc22.x86_64 NetworkManager-vpnc-gnome-1.0.2-1.fc22.x86_64 NetworkManager-openconnect-1.0.2-1.fc22.x86_64 NetworkManager-1.0.2-1.fc22.x86_64 NetworkManager-glib-1.0.2-1.fc22.x86_64 NetworkManager-wifi-1.0.2-1.fc22.x86_64 NetworkManager-vpnc-1.0.2-1.fc22.x86_64 NetworkManager-pptp-gnome-1.1.0-1.20150428git695d4f2.fc22.x86_64 NetworkManager-wwan-1.0.2-1.fc22.x86_64 NetworkManager-openvpn-gnome-1.0.2-1.fc22.x86_64 NetworkManager-libnm-1.0.2-1.fc22.x86_64 NetworkManager-openvpn-1.0.2-1.fc22.x86_64 NetworkManager-pptp-1.1.0-1.20150428git695d4f2.fc22.x86_64 NetworkManager-adsl-1.0.2-1.fc22.x86_64 NetworkManager-config-connectivity-fedora-1.0.2-1.fc22.x86_64 NetworkManager-bluetooth-1.0.2-1.fc22.x86_64 How reproducible: install fedora 22 on a computer with this sierra card Steps to Reproduce: 1. 2. 3. Actual results: the card is not detected by networkmanager Expected results: the card works as it used to Additional info:
I was able to solve running as root: systemctl start ModemManager and permanently by running: systemctl enable ModemManager I am sure that this service has always been enabled by default... hasn't it?
This may be an issue with upgrade. Can you tell us how you upgraded to F22? From what version? It is a duplicate of bug 1227424. *** This bug has been marked as a duplicate of bug 1227424 ***