USB Modem not displayed in network manager
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
modemmanager (Ubuntu) |
Expired
|
Undecided
|
Unassigned | ||
network-manager (Ubuntu) |
Expired
|
Undecided
|
Unassigned | ||
plasma-nm (Ubuntu) |
Expired
|
Undecided
|
Unassigned |
Bug Description
4G USB WAN modem will not display in network manager, but is fully detected by the kernel and is displayed in ip link
journal;
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: new high-speed USB device number 5 using xhci_hcd
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: config 1 has an invalid interface number: 7 but max is 3
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: config 1 has no interface number 2
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: New USB device found, idVendor=1199, idProduct=68a3
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: New USB device strings: Mfr=3, Product=2, SerialNumber=4
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: Product: AC760S
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: Manufacturer: Sierra Wireless, Incorporated
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: SerialNumber: 359822042204515
Apr 27 10:56:44 Paul-HP-Laptop kernel: sierra 5-2:1.0: Sierra USB modem converter detected
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: Sierra USB modem converter now attached to ttyUSB0
Apr 27 10:56:44 Paul-HP-Laptop kernel: sierra 5-2:1.1: Sierra USB modem converter detected
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: Sierra USB modem converter now attached to ttyUSB1
Apr 27 10:56:44 Paul-HP-Laptop kernel: sierra 5-2:1.3: Sierra USB modem converter detected
Apr 27 10:56:44 Paul-HP-Laptop kernel: usb 5-2: Sierra USB modem converter now attached to ttyUSB2
Apr 27 10:56:44 Paul-HP-Laptop kernel: sierra_net 5-2:1.7 wwan0: register 'sierra_net' at usb-0000:00:10.0-2, Sierra Wireless USB-to-WWAN Modem, ce:6b:97:53:02:07
Apr 27 10:56:44 Paul-HP-Laptop mtp-probe[19472]: checking bus 5, device 5: "/sys/devices/
Apr 27 10:56:44 Paul-HP-Laptop mtp-probe[19472]: bus: 5, device: 5 was not an MTP device
Apr 27 10:56:44 Paul-HP-Laptop kernel: sierra_net 5-2:1.7 wwp0s16f0u2i7: renamed from wwan0
Apr 27 10:56:44 Paul-HP-Laptop NetworkManager[
Apr 27 10:56:44 Paul-HP-Laptop NetworkManager[
Apr 27 10:56:45 Paul-HP-Laptop ModemManager[846]: <warn> (ttyUSB1): port attributes not fully set
Apr 27 10:56:45 Paul-HP-Laptop ModemManager[846]: <warn> (ttyUSB0): port attributes not fully set
Apr 27 10:56:45 Paul-HP-Laptop ModemManager[846]: <warn> (ttyUSB2): port attributes not fully set
Apr 27 10:56:57 Paul-HP-Laptop ModemManager[846]: <info> Creating modem with plugin 'Sierra (legacy)' and '4' ports
Apr 27 10:56:57 Paul-HP-Laptop ModemManager[846]: <warn> Could not grab port (tty/ttyUSB1): 'Cannot add port 'tty/ttyUSB1', unhandled serial type'
Apr 27 10:56:57 Paul-HP-Laptop ModemManager[846]: <warn> Could not grab port (tty/ttyUSB0): 'Cannot add port 'tty/ttyUSB0', unhandled serial type'
Apr 27 10:56:57 Paul-HP-Laptop ModemManager[846]: <warn> (ttyUSB2): port attributes not fully set
Apr 27 10:56:57 Paul-HP-Laptop ModemManager[846]: <info> Modem for device at '/sys/devices/
Apr 27 10:57:01 Paul-HP-Laptop ModemManager[846]: <info> Modem: state changed (unknown -> disabled)
Apr 27 10:57:01 Paul-HP-Laptop NetworkManager[
Apr 27 10:57:02 Paul-HP-Laptop NetworkManager[
Apr 27 10:57:02 Paul-HP-Laptop NetworkManager[
Apr 27 10:57:02 Paul-HP-Laptop NetworkManager[
Apr 27 10:57:02 Paul-HP-Laptop NetworkManager[
Apr 27 10:57:02 Paul-HP-Laptop ModemManager[846]: <info> Modem /org/freedeskto
Apr 27 10:57:02 Paul-HP-Laptop ModemManager[846]: <warn> (ttyUSB2): port attributes not fully set
Apr 27 10:57:05 Paul-HP-Laptop ModemManager[846]: <info> Modem /org/freedeskto
Apr 27 10:57:05 Paul-HP-Laptop ModemManager[846]: <info> Modem /org/freedeskto
Apr 27 10:57:05 Paul-HP-Laptop ModemManager[846]: <info> Modem /org/freedeskto
Apr 27 10:57:06 Paul-HP-Laptop NetworkManager[
ip link;
6: wwp0s16f0u2i7: <BROADCAST,
link/ether ce:6b:97:53:02:07 brd ff:ff:ff:ff:ff:ff
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/freedeskto p/ModemManager1 /Modem/ 1: state changed (enabling -> registered) 898]: <info> [1493254626.0016] (ttyUSB2): modem state changed, 'enabling' --> 'registered' (reason: user-requested)
Apr 27 10:57:06 Paul-HP-Laptop NetworkManager[
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