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[Rolf Leggewie <868034@xxxxxxxxxxxxxxxxxx>]

oneiric has seen the end of its life and is no longer receiving any
updates. Marking the oneiric task for this ticket as "Won't Fix".

** Changed in: modemmanager (Ubuntu Oneiric)
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/868034

Title:
  Huawei E220 and E1550 can't connect on Ubuntu 11.10/12.04

Status in ModemManager (with NetworkManager support):
  Fix Released
Status in OEM Priority Project:
  Fix Released
Status in OEM Priority Project oneiric series:
  Fix Released
Status in OEM Priority Project precise series:
  Fix Released
Status in modemmanager package in Ubuntu:
  Triaged
Status in modemmanager source package in Oneiric:
  Won't Fix
Status in modemmanager source package in Precise:
  Triaged
Status in modemmanager package in Debian:
  New
Status in modemmanager package in Fedora:
  Unknown

Bug description:
  [SRU JUSTIFICATION]
  This changes reverts the rework of probing methods for Huawei devices which broke proper support for the Huawei E220, E1550 and some other specific models of Huawei 3G modems. It's low risk as it is known to work properly with most Huawei devices already; and only affects users of such devices. The E220, among others, remains one of the most common 3G modems available.

  [REGRESSION POTENTIAL]
  Low; this patch changes probing for Huawei devices only, and has been tested successfully with good support for the affected devices after the patch is installed, as well as unchanged behavior for many other devices (tested by cyphermox with a E1831 too).

  [TESTING]
  Requires Huawei 3G modem; needs to be the E220 or E1550 model for successfully testing the resolution of this issue. Testing with other Huawei devices is useful as control. Devices from other manufacturers are unaffected.

  =======

  I'm using Ubuntu in my HP Pavilion dv6745tx laptop. I cannot connect
  the Huawei E220 usb modem since 11.10 beta1 (now I'm in beta2). There
  is  no problem in natty.

  I have found this in syslog

  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) starting connection 'Dialog GSM Postpaid'
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled...
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started...
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) complete.
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <warn> GSM connection failed: (32) Sending command failed: 'Resource temporarily unavailable'
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: prepare -> failed (reason 'unknown') [40 120 1]
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <warn> Activation (ttyUSB0) failed.
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: failed -> disconnected (reason 'none') [120 30 0]
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): deactivating device (reason: 0).
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_routes: assertion `ifindex > 0' failed
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_addresses: assertion `ifindex > 0' failed

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