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[Bug 1445080] Re: Cellular data not activated after exiting flight mode

 

On Aquaris BQ e4.5, Ubuntu 14.10 (r22), image part 20150528.

After reboot in flight mode, SIM card is recognized, but impossible to
enter PIN code, the Unlock button is invalid.

You can reproduce it like that : 
-set flight mode
-turn off the device
-turn on the device
-unset flight mode
-> the Unlock button is out of order... 
a reboot with flight mode unset is needed to be able to enter PIN code.

Do not know if it could be linked with above messages...
Thanks

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https://bugs.launchpad.net/bugs/1445080

Title:
  Cellular data not activated after exiting flight mode

Status in the base for Ubuntu mobile products:
  Confirmed
Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  Cellular data is not activated in ~50% of the cases in arale after
  setting then unsetting flight mode.

  I obtained the attached log this way:

  1. Disabled wifi (to have less noise) and removed syslog (to make smaller the attached one)
  2. Reboot
  3. See cellular data is on: route is right, I have network access
  4. Set flight mode
  5. Unset flight mode
  6. Data is not restored even after waiting for a few minutes. ccmni0 interface is down.

  list-modems shows that the modem is data-attached
  list-contexts output shows that no IP context has been activated

  Doing

  usr/share/ofono/scripts/activate-context 1
  sudo ip route add default dev ccmni0
  ping 8.8.8.8

  works and I receive the ping responses.

  $ system-image-cli -i
  current build number: 12
  device name: arale
  channel: ubuntu-touch/tangxi-vivid-proposed
  last update: 2015-04-16 08:06:39
  version version: 12
  version ubuntu: 20150416.0
  version device: a17b9320788e7215ddf123544a3a2b5a4fa61f0d5add83f393866e8c7a9155b0
  version custom: 20150416.0

  + NetworkManager 0.9.10.0-4ubuntu15~mtrudel1 (silo 29 atm)

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References