desktop-packages team mailing list archive

[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

Since the bug is triggered by a defect in the firmware, its status is
"invalid".

** Changed in: modemmanager (Ubuntu)
       Status: Triaged => Invalid

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https://bugs.launchpad.net/bugs/1354733

Title:
  USB Modem permanently disconnects if there isn't constant network
  traffic

Status in ModemManager (with NetworkManager support):
  Invalid
Status in “modemmanager” package in Ubuntu:
  Invalid

Bug description:
  ****************
  HOW TO REPRODUCE
  ****************

  1. Connect the USB modem.
  2. Using the Network Manager, configure the mobile broadband network to connect automatically as soon as it's available.
  2. Use the Internet for a while.

  
  ******************
  EXPECTED BEHAVIOUR
  ******************

  - The Internet to stay connected.
  - If the Internet loses signal for a while, to automatically reconnect as specified in Network Manager.

  **************
  REAL BEHAVIOUR
  **************

  - Except if you are pinging a site each 5 second, the connection finishes going down forever.
  - The mobile network no longer appears in the Network Manager till you reconnect the modem.

  ***********
  WORK-AROUND
  ***********

  - In the "Terminal" application, to enter "ping google.com -i 5" and
  leave it open.

  ****************
  RELEVANT DETAILS
  ****************

  - The work-around has been borrowed from the "D-Link DWR-921" router,
  which has this option included in its interface to keep the connection
  alive.

  **************
  TECHNICAL INFO
  **************

  Modem model: Montseny Ballast WM72
  Modem provider: ISP
  Virtual ISP: Ono
  Real ISP: Movistar

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: modemmanager 1.0.0-2ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Aug  9 20:14:46 2014
  InstallationDate: Installed on 2013-01-25 (560 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  SourcePackage: modemmanager
  UpgradeStatus: Upgraded to trusty on 2014-04-28 (103 days ago)

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