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[Launchpad Bug Tracker <501006@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/501006

Title:
  Huawei USB modem intermittently not detected: loop of "deferring
  support check"

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Binary package hint: network-manager

  I'm running Karmic x64 on an Acer TravelMate 6292.

  When I plug in my Huawei E172 USB HSPA modem, it sometimes shows up in
  Network Manager and other times not. I can sometimes fix it by
  unplugging and plugging in again (in another USB port). When it is not
  detected, I see the following in the syslog:

  eduard@maantop:~$ tail -f /var/log/syslog
  Dec 28 15:08:53 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:08:53 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:08:56 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:08:56 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:08:59 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:08:59 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:02 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:02 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:05 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:05 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:08 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:08 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:11 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:11 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:14 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:14 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:17 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:17 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:20 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:20 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:23 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:23 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:26 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:26 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:29 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:29 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:32 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:32 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:35 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:35 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:38 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:38 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:41 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:41 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:44 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:44 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:47 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:47 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:50 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:50 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:53 maantop modem-manager: (ttyUSB1): re-checking support...
  Dec 28 15:09:53 maantop modem-manager: (Huawei): (ttyUSB1) deferring support check
  Dec 28 15:09:54 maantop kernel: [121367.290085] usb 5-2: USB disconnect, address 7
  Dec 28 15:09:54 maantop kernel: [121367.292112] option: option_instat_callback: error -108
  Dec 28 15:09:54 maantop kernel: [121367.292405] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
  Dec 28 15:09:54 maantop kernel: [121367.292435] option 5-2:1.0: device disconnected
  Dec 28 15:09:54 maantop kernel: [121367.292635] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
  Dec 28 15:09:54 maantop kernel: [121367.292663] option 5-2:1.1: device disconnected

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