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[mpchlets <mpchlets@xxxxxxxxx>]

apport information

** Attachment added: "ProcInterrupts.txt"
   https://bugs.launchpad.net/bugs/1454361/+attachment/4396434/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1454361

Title:
  WWAN device no longer works in 14.04 or higher

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have been using a Novatel USB720 successfully for years on Ubuntu -
  after upgrading to 14.04 (then doing a complete clean install), I
  continue to get this in my dmesg:

  [ 4220.244259] usb 2-2: new full-speed USB device number 12 using xhci_hcd
  [ 4220.374563] usb 2-2: New USB device found, idVendor=1410, idProduct=2110
  [ 4220.374567] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [ 4220.374570] usb 2-2: Product: Novatel Wireless CDMA
  [ 4220.374572] usb 2-2: Manufacturer: Novatel Wireless Inc.
  [ 4220.375771] option 2-2:1.0: GSM modem (1-port) converter detected
  [ 4220.375867] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
  [ 4220.376222] option 2-2:1.1: GSM modem (1-port) converter detected
  [ 4220.376298] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
  [ 4220.531806] usb 2-2: USB disconnect, device number 12
  [ 4220.531938] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
  [ 4220.531949] option 2-2:1.0: device disconnected
  [ 4220.532040] option1 ttyUSB1: usb_wwan_indat_callback: resubmit read urb failed. (-19)
  [ 4220.532042] option1 ttyUSB1: usb_wwan_indat_callback: resubmit read urb failed. (-19)
  [ 4220.532044] option1 ttyUSB1: usb_wwan_indat_callback: resubmit read urb failed. (-19)
  [ 4220.532045] option1 ttyUSB1: usb_wwan_indat_callback: resubmit read urb failed. (-19)
  [ 4220.532110] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
  [ 4220.532118] option 2-2:1.1: device disconnected

  The device is obviously not working properly anymore.
  --- 
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mpchlets   1942 F.... pulseaudio
   /dev/snd/pcmC1D0c:   mpchlets   1942 F...m pulseaudio
   /dev/snd/pcmC1D0p:   mpchlets   1942 F...m pulseaudio
   /dev/snd/controlC1:  mpchlets   1942 F.... pulseaudio
  CurrentDesktop: GNOME-Flashback:Unity
  DistroRelease: Ubuntu 15.04
  HibernationDevice: RESUME=UUID=f11efb8d-ccad-4ac5-9d6e-4ba1635aa651
  InstallationDate: Installed on 2015-02-03 (98 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: LENOVO 20BSCTO1WW
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-16-generic.efi.signed root=UUID=31a64aba-92a4-4b90-8a91-05e5c69e456c ro quiet splash acpi_backlight=vendor vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-16-generic N/A
   linux-backports-modules-3.19.0-16-generic  N/A
   linux-firmware                             1.143
  Tags:  vivid
  Uname: Linux 3.19.0-16-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-05-12 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/23/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N14ET26W (1.04 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20BSCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrN14ET26W(1.04):bd01/23/2015:svnLENOVO:pn20BSCTO1WW:pvrThinkPadX1Carbon3rd:rvnLENOVO:rn20BSCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20BSCTO1WW
  dmi.product.version: ThinkPad X1 Carbon 3rd
  dmi.sys.vendor: LENOVO

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