Hi, I recently upgraded my OS from Kubuntu 13.10 to 14.04 and now my ZTE 4g usb stick is not working. ZTE 4g dongle used to work smoothly in 13.10 Kubuntu. After upgrading my OS to 14.04, these are the logs I see [CODE] nibin@nibin-ofxlaptop:~$ lsusb Bus 002 Device 003: ID 5986:02d2 Acer, Inc Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 004: ID 147e:1002 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 009: ID 19d2:0167 ZTE WCDMA Technologies MSM MF820 4G LTE Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 002: ID 045e:0084 Microsoft Corp. Basic Optical Mouse Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub [/CODE] Logs from "/var/log/syslog" when the ZTE dongle was connected: [CODE] Apr 20 15:37:46 nibin-ofxlaptop kernel: [ 134.403378] usb 1-1.2: new high-speed USB device number 7 using ehci-pci Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.499236] usb 1-1.2: New USB device found, idVendor=19d2, idProduct=0166 Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.499248] usb 1-1.2: New USB device strings: Mfr=3, Product=2, SerialNumber=4 Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.499254] usb 1-1.2: Product: ZTE LTE Technologies MSM Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.499260] usb 1-1.2: Manufacturer: ZTE,Incorporated Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.499264] usb 1-1.2: SerialNumber: MF880TFFFS111111 Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.500841] usb-storage 1-1.2:1.0: USB Mass Storage device detected Apr 20 15:37:47 nibin-ofxlaptop kernel: [ 134.501800] scsi8 : usb-storage 1-1.2:1.0 Apr 20 15:37:47 nibin-ofxlaptop mtp-probe: checking bus 1, device 7: "/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2" Apr 20 15:37:47 nibin-ofxlaptop mtp-probe: bus: 1, device: 7 was not an MTP device Apr 20 15:37:48 nibin-ofxlaptop usb_modeswitch: switch device 19d2:0166 on 001/007 Apr 20 15:37:50 nibin-ofxlaptop kernel: [ 138.049732] usb 1-1.2: USB disconnect, device number 7 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.860171] usb 1-1.2: new high-speed USB device number 8 using ehci-pci Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.956549] usb 1-1.2: New USB device found, idVendor=19d2, idProduct=0167 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.956561] usb 1-1.2: New USB device strings: Mfr=3, Product=2, SerialNumber=4 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.956567] usb 1-1.2: Product: ZTE LTE Technologies MSM Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.956572] usb 1-1.2: Manufacturer: ZTE,Incorporated Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.956577] usb 1-1.2: SerialNumber: MF880TFFFS111111 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.959064] option 1-1.2:1.0: GSM modem (1-port) converter detected Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.959354] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.959672] option 1-1.2:1.1: GSM modem (1-port) converter detected Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.959898] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1 Apr 20 15:37:55 nibin-ofxlaptop vmnet-natd: RTM_NEWLINK: name:wwan0 index:7 flags:0x00001002 Apr 20 15:37:55 nibin-ofxlaptop vmnetBridge: RTM_NEWLINK: name:wwan0 index:7 flags:0x00001002 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.960271] option 1-1.2:1.2: GSM modem (1-port) converter detected Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.960557] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.960835] option 1-1.2:1.3: GSM modem (1-port) converter detected Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.961032] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB3 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.962139] qmi_wwan 1-1.2:1.4: cdc-wdm0: USB WDM device Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.963038] qmi_wwan 1-1.2:1.4 wwan0: register 'qmi_wwan' at usb-0000:00:1a.0-1.2, WWAN/QMI device, 8a:12:df:a2:fe:48 Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.963429] usb-storage 1-1.2:1.5: USB Mass Storage device detected Apr 20 15:37:55 nibin-ofxlaptop kernel: [ 142.964146] scsi9 : usb-storage 1-1.2:1.5 Apr 20 15:37:55 nibin-ofxlaptop mtp-probe: checking bus 1, device 8: "/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2" Apr 20 15:37:55 nibin-ofxlaptop mtp-probe: bus: 1, device: 8 was not an MTP device Apr 20 15:37:55 nibin-ofxlaptop ModemManager[802]: [/dev/cdc-wdm0] Checking version info (10 retries)... Apr 20 15:37:55 nibin-ofxlaptop NetworkManager[1152]: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.4/net/wwan0, iface: wwan0) Apr 20 15:37:55 nibin-ofxlaptop NetworkManager[1152]: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.4/net/wwan0, iface: wwan0): no ifupdown configuration found. Apr 20 15:37:55 nibin-ofxlaptop ModemManager[802]: (ttyUSB2): port attributes not fully set Apr 20 15:37:55 nibin-ofxlaptop ModemManager[802]: (ttyUSB3): port attributes not fully set Apr 20 15:37:55 nibin-ofxlaptop ModemManager[802]: (ttyUSB1): port attributes not fully set Apr 20 15:37:55 nibin-ofxlaptop ModemManager[802]: (ttyUSB0): port attributes not fully set Apr 20 15:37:56 nibin-ofxlaptop usb_modeswitch: switched to 19d2:ffffffff on 001/007 Apr 20 15:37:57 nibin-ofxlaptop usb_modeswitch[2806]: usb_modeswitch: switched to 19d2:0167 on 1/8 Apr 20 15:37:58 nibin-ofxlaptop usb_modeswitch[2806]: usb_modeswitch: add device ID 19d2:0167 to driver option Apr 20 15:37:58 nibin-ofxlaptop usb_modeswitch[2806]: usb_modeswitch: please report the device ID to the Linux USB developers! Apr 20 15:37:59 nibin-ofxlaptop ModemManager[802]: (ttyUSB2): port attributes not fully set Apr 20 15:37:59 nibin-ofxlaptop ModemManager[802]: (ttyUSB3): port attributes not fully set Apr 20 15:37:59 nibin-ofxlaptop ModemManager[802]: (ttyUSB1): port attributes not fully set Apr 20 15:37:59 nibin-ofxlaptop ModemManager[802]: (ttyUSB0): port attributes not fully set Apr 20 15:38:01 nibin-ofxlaptop kernel: [ 148.992284] scsi 9:0:0:0: CD-ROM L_T_E USB SCSI CD-ROM USB PQ: 0 ANSI: 0 Apr 20 15:38:01 nibin-ofxlaptop kernel: [ 148.997387] sr1: scsi-1 drive Apr 20 15:38:01 nibin-ofxlaptop kernel: [ 148.998746] sr 9:0:0:0: Attached scsi CD-ROM sr1 Apr 20 15:38:01 nibin-ofxlaptop kernel: [ 149.000987] sr 9:0:0:0: Attached scsi generic sg2 type 5 Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Creating modem with plugin 'Generic' and '6' ports Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Could not grab port (tty/ttyUSB1): 'Cannot add port 'tty/ttyUSB1', unhandled serial type' Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Could not grab port (tty/ttyUSB3): 'Cannot add port 'tty/ttyUSB3', unhandled serial type' Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Could not grab port (tty/ttyUSB2): 'Cannot add port 'tty/ttyUSB2', unhandled serial type' Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' Apr 20 15:38:10 nibin-ofxlaptop ModemManager[802]: Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2': Failed to find primary AT port [/CODE] I also enabled USB_Modeswitch logging in "/etc/usb_modeswitch.conf". The logs printed are given below [CODE] USB_ModeSwitch log from Sun Apr 20 15:37:47 2014 Use global config file: /etc/usb_modeswitch.conf Started via upstart Adjust delay for USB storage devices ... Current value is higher or equal to 10. Leave it alone Raw args from udev: /1-1.2 Bus ID for device not given by udev. Trying to determine it from kernel name (1-1.2) ... Use top device dir /sys/bus/usb/devices/1-1.2 USB dir exists: /sys/bus/usb/devices/1-1.2 SCSI dir exists: /sys/bus/usb/devices/1-1.2 Warning: SCSI attribute "vendor" not readable. Warning: SCSI attribute "model" not readable. Warning: SCSI attribute "rev" not readable. Check class of first interface ... Device is in install mode. Use interface (null) ---------------- USB values from sysfs: idVendor 19d2 idProduct 0166 manufacturer ZTE,Incorporated product ZTE LTE Technologies MSM serial MF880TFFFS111111 bNumConfigurations 1 ---------------- bNumConfigurations is 1 - don't check for active configuration Found packed config collection /usr/share/usb_modeswitch/configPack.tar.gz Searching entries named: /usr/share/usb_modeswitch/19d2:0166* Searching overriding entries named: /etc/usb_modeswitch.d/19d2:0166* SCSI attributes not needed, move on. Extract config 19d2:0166 from collection /usr/share/usb_modeswitch/configPack.tar.gz config: TargetVendor set to 19d2 config: TargetProduct set to 0167 Driver module is "option", ID path is /sys/bus/usb-serial/drivers/option1 ! matched, now switching Command to be run: /usr/sbin/usb_modeswitch -W -D -s 20 -c /run/usb_modeswitch/current_cfg -u -1 -v 19d2 -p 0166 2>&1 Verbose debug output of usb_modeswitch and libusb follows (Note that some USB errors are expected in the process) -------------------------------- Read config file: /run/usb_modeswitch/current_cfg * usb_modeswitch: handle USB devices with multiple modes * Version 2.1.1 (C) Josua Dietze 2014 * Based on libusb1/libusbx ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x19d2 DefaultProduct= 0x0166 TargetVendor= 0x19d2 TargetProduct= 0x0167 MessageContent="55534243123456782400000080000685000000240000000000000000000000" NeedResponse=0 Success check enabled, max. wait time 20 seconds System integration mode enabled Look for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 19d2:0166 vendor ID matched found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 No devices in target mode or class found Look for default devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 19d2:0166 vendor ID matched product ID matched found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Found devices in default mode (1) Access device 007 on bus 001 Use interface number 0 Use endpoints 0x01 (out) and 0x81 (in) USB description data (for identification) ------------------------- Manufacturer: ZTE,Incorporated Product: ZTE LTE Technologies MSM Serial No.: MF880TFFFS111111 ------------------------- Looking for active driver ... OK, driver detached Set up interface 0 Use endpoint 0x01 for message sending ... Trying to send message 1 to endpoint 0x01 ... OK, message successfully sent Reset response endpoint 0x81 Reset message endpoint 0x01 Check for mode switch (max. 20 times, once per second) ... Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 19d2:0166 vendor ID matched found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 19d2:0166 vendor ID matched found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Search for target devices ... found USB ID 19d2:0167 vendor ID matched product ID matched found USB ID 5986:02d2 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 147e:1002 found USB ID 8087:0024 found USB ID 1d6b:0002 found USB ID 1d6b:0003 found USB ID 045e:0084 found USB ID 1d6b:0002 Found target device, open it Found target device 008 on bus 001 Target device description data ------------------------- Manufacturer: ZTE,Incorporated Product: ZTE LTE Technologies MSM Serial No.: MF880TFFFS111111 ------------------------- Found correct target device Mode switch succeeded. Bye! ok:no_data -------------------------------- (end of usb_modeswitch output) Check success of mode switch for max. 20 seconds ... Read attributes ... USB dir exists: /sys/bus/usb/devices/1-1.2 All attributes matched Mode switching was successful, found 19d2:0167 (ZTE,Incorporated: ZTE LTE Technologies MSM)Now check for bound driver ... no driver has bound to interface 0 yet Device not in "bind_list" yet, bind it now Module loader is /sbin/modprobe Module is active already Try to add ID to driver "option" ID added to driver; check for new devices in /dev driver binding failed Check for AVOID_RESET_QUIRK kernel attribute AVOID_RESET_QUIRK activated All done, exit [/CODE] After a lot of googling, I found this post[1]. I gave my wvdial.conf for my provider (Airtel, india) and used wvdial to connect now. It is now connecting using wvdial. [CODE] nibin@nibin-ofxlaptop:~$ sudo cat /etc/wvdial.conf [sudo] password for nibin: [Dialer Defaults] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Modem Type = Analog Modem New PPPD = yes Modem = /dev/ttyUSB2 ISDN = 0 Baud = 57600 Ask Password = 0 Dial Command = ATDT Stupid Mode = 1 Compuserve = 0 Idle Seconds = 0 Init3 = AT+CGDCONT=1,"IP","airtelgprs.com" Phone = *99# Password = internet Username = o2 Auto DNS = 0 [/CODE] Eventhough it is now connecting using wvdial, I would like to use the NetworkManager support from Kubuntu for the same. Is this a NetworkManager problem or USB_Modeswitch problem or ModemManager problem? let me know if any additional details are required. [1] ubuntuforums.org/showthread.php?t=2074518

When	Who	Action	New State
2014-04-21	actionparsnip	Answer	Answered
2014-04-21	Nibin Varghese	Comment	Answered

Ubuntunetwork-manager package

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network-manager package