Same issue with Verizon and EVDO. I can connect fine if I setup my own pppd config file and chat script and run it from the command line.
r...@jgarcia-laptop:/etc/ppp/peers# lsusb -v Bus 001 Device 004: ID 106c:3711 Curitel Communications, Inc. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 2 Communications bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x106c Curitel Communications, Inc. idProduct 0x3711 bcdDevice 1.00 iManufacturer 1 PANTECH iProduct 2 PANTECH USB MODEM iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 113 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 2 Abstract (modem) bInterfaceProtocol 1 AT-commands (v.25ter) iInterface 0 CDC Header: bcdCDC 1.09 CDC Call Management: bmCapabilities 0x03 call management use DataInterface bDataInterface 1 CDC ACM: bmCapabilities 0x0f connection notifications sends break line coding and serial state get/set/clear comm features CDC Union: bMasterInterface 0 bSlaveInterface 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 9 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 Unused bInterfaceProtocol 0 iInterface 3 Data Interface Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x03 EP 3 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x89 EP 9 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x07 EP 7 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x86 EP 6 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Device Status: 0x0000 (Bus Powered) Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0002 2.0 root hub bcdDevice 2.06 iManufacturer 3 Linux 2.6.28-13-generic ehci_hcd iProduct 2 EHCI Host Controller iSerial 1 0000:00:1d.7 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 12 >From /var/log/daemon.log Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) starting connection 'Auto Mobile Broadband (CDMA) connection' Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> (ttyACM0): device state change: 3 -> 4 Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) scheduled... Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) started... Jul 16 11:10:50 jgarcia-laptop NetworkManager: <debug> [1247757050.462919] nm_serial_device_open(): (ttyACM0) opening device... Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) complete. Jul 16 11:10:50 jgarcia-laptop NetworkManager: <info> (ttyACM0): powering up... Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> Connected, Woo! Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) scheduled... Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) starting... Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> (ttyACM0): device state change: 4 -> 5 Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> Starting pppd connection Jul 16 11:10:52 jgarcia-laptop NetworkManager: <debug> [1247757052.581620] nm_ppp_manager_start(): Command line: /usr/sbin/pppd nodetach lock nodefaultroute user 9738688...@vzw3g.com ttyACM0 noipdefault noauth usepeerdns lcp-echo-failure 5 lcp-echo-interval 30 ipparam /org/freedesktop/NetworkManager/PPP/8 plugin /usr/lib/pppd/2.4.4/nm-pppd-plugin.so Jul 16 11:10:52 jgarcia-laptop NetworkManager: <debug> [1247757052.677176] nm_ppp_manager_start(): ppp started with pid 17638 Jul 16 11:10:52 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) Stage 2 of 5 (Device Configure) complete. Jul 16 11:11:08 jgarcia-laptop NetworkManager: <WARN> pppd_timed_out(): Looks like pppd didn't initialize our dbus module Jul 16 11:11:08 jgarcia-laptop NetworkManager: <info> (ttyACM0): device state change: 5 -> 9 Jul 16 11:11:08 jgarcia-laptop NetworkManager: <debug> [1247757068.000613] nm_serial_device_close(): Closing device 'ttyACM0' Jul 16 11:11:08 jgarcia-laptop NetworkManager: <info> Marking connection 'Auto Mobile Broadband (CDMA) connection' invalid. Jul 16 11:11:08 jgarcia-laptop NetworkManager: <info> Activation (ttyACM0) failed. Jul 16 11:11:08 jgarcia-laptop NetworkManager: <info> (ttyACM0): device state change: 9 -> 3 Jul 16 11:11:08 jgarcia-laptop NetworkManager: <info> (ttyACM0): deactivating device (reason: 0). Jul 16 11:11:08 jgarcia-laptop NetworkManager: nm_system_device_flush_ip4_routes_with_iface: assertion `iface_idx >= 0' failed Jul 16 11:11:08 jgarcia-laptop NetworkManager: nm_system_device_flush_ip4_addresses_with_iface: assertion `iface_idx >= 0' failed Jul 16 11:11:10 jgarcia-laptop NetworkManager: <debug> [1247757070.002100] ensure_killed(): waiting for ppp pid 17638 to exit Jul 16 11:11:10 jgarcia-laptop NetworkManager: <debug> [1247757070.002283] ensure_killed(): ppp pid 17638 cleaned up And /var/log/messages Jul 16 10:56:00 jgarcia-laptop pppd[16807]: Plugin /usr/lib/pppd/2.4.4/nm-pppd-plugin.so loaded. Jul 16 10:56:00 jgarcia-laptop pppd[16807]: pppd 2.4.5 started by root, uid 0 Jul 16 10:56:00 jgarcia-laptop pppd[16807]: Using interface ppp0 Jul 16 10:56:00 jgarcia-laptop pppd[16807]: Connect: ppp0 <--> /dev/ttyACM0 Jul 16 10:56:01 jgarcia-laptop pppd[16807]: local IP address 97.15.131.157 Jul 16 10:56:01 jgarcia-laptop pppd[16807]: remote IP address 66.174.121.64 Jul 16 10:56:01 jgarcia-laptop pppd[16807]: primary DNS address 66.174.95.44 Jul 16 10:56:01 jgarcia-laptop pppd[16807]: secondary DNS address 66.174.92.14 Jul 16 10:56:16 jgarcia-laptop pppd[16807]: Terminating on signal 15 Jul 16 10:56:16 jgarcia-laptop pppd[16807]: Connect time 0.3 minutes. Jul 16 10:56:16 jgarcia-laptop pppd[16807]: Sent 0 bytes, received 0 bytes. Jul 16 10:56:16 jgarcia-laptop pppd[16807]: Connection terminated. Jul 16 10:56:17 jgarcia-laptop pppd[16807]: Exit. -- UMTS Modem: network manager / pppd does hang up immediately after successful connect https://bugs.launchpad.net/bugs/391608 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs