>From CurrentDmesg: [ 293.100617] usb 1-4: USB disconnect, address 3 [ 293.100917] sierra ttyUSB0: Sierra USB modem converter now disconnected from ttyUSB0 [ 293.100950] sierra 1-4:1.0: device disconnected [ 293.101175] sierra ttyUSB1: Sierra USB modem converter now disconnected from ttyUSB1 [ 293.101203] sierra 1-4:1.1: device disconnected [ 293.101426] sierra ttyUSB2: Sierra USB modem converter now disconnected from ttyUSB2 [ 293.101454] sierra 1-4:1.3: device disconnected [ 293.106416] sierra ttyUSB3: Sierra USB modem converter now disconnected from ttyUSB3 [ 293.106440] sierra 1-4:1.4: device disconnected [ 293.133861] sierra_net 1-4:1.7: wwan0: unregister 'sierra_net' usb-0000:00:1a.7-4, Sierra Wireless USB-to-WWAN Modem [ 293.182567] sierra_net 1-4:1.7: (unregistered net_device): usb_control_msg failed, status -19 [ 306.842696] usb 1-4: new high speed USB device using ehci_hcd and address 4 [ 306.991723] usb 1-4: config 1 has an invalid interface number: 9 but max is 5 [ 306.991728] usb 1-4: config 1 has an invalid interface number: 7 but max is 5 [ 306.991732] usb 1-4: config 1 has no interface number 2 [ 306.991735] usb 1-4: config 1 has no interface number 5 [ 306.996921] sierra 1-4:1.0: Sierra USB modem converter detected
>From WiFi.log: Apr 14 18:21:56 cal modem-manager: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.7/usb1/1-4 [ 306.998834] usb 1-4: Sierra USB modem converter now attached to ttyUSB0 [ 306.998913] sierra 1-4:1.1: Sierra USB modem converter detected [ 306.999887] usb 1-4: Sierra USB modem converter now attached to ttyUSB1 [ 306.999963] sierra 1-4:1.3: Sierra USB modem converter detected [ 307.001183] usb 1-4: Sierra USB modem converter now attached to ttyUSB2 [ 307.001269] sierra 1-4:1.4: Sierra USB modem converter detected [ 307.002028] usb 1-4: Sierra USB modem converter now attached to ttyUSB3 [ 307.011046] scsi8 : usb-storage 1-4:1.9 [ 307.026734] sierra_net 1-4:1.7: wwan0: register 'sierra_net' at usb-0000:00:1a.7-4, Sierra Wireless USB-to-WWAN Modem, 2e:39:ff:56:02:07 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/738005 Title: Sierra 308 Mobile Broadband cannot connect -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
