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[Botao Sun <botao.sun@xxxxxxxxxx>]

On Panda 4430 board with Linaro ubuntu pre-built image:

http://snapshots.linaro.org/precise/pre-built/lt-panda-x11-base/299/lt-
panda-x11-base-precise_ubuntu-desktop_20120909-299.img.gz

The Bluetooth pairing with Motorola S305 headset failed and system
hangs. Please refer to attachment to get serial log output. I tried
twice but got same behaviour. The action list is:

1. Click "System Settings" icon on desktop left side panel;

2. Click "Bluetooth" in "Hardware" section of "All Settings" screen;

3. Power on Motorola S305 Bluetooth headset & wait around 30 seconds;

4. Click "+" button to add a Bluetooth device, follow instructions;

5. System hangs.

However, in this condition, keep Bluetooth headset is ON, plug out board
power cable and plug it in to reboot, then enter the Bluetooth settings,
you will see the headset has been paired there. Now click the headset
name (Motorola S305) on left side of Bluetooth settings screen, then
turn "Connection" ON by clicking it on the right side area. After the
"Connection" be turned ON, the Bluetooth item will be shown in Sounds
settings, and that A2DP one can be used to listen music from rhythmbox,
and it works well.

** Attachment added: "Panda_4430_ubuntu_Build_299_System_Hangs_By_Bluetooth.txt"
   https://bugs.launchpad.net/linaro-ubuntu/+bug/996438/+attachment/3313686/+files/Panda_4430_ubuntu_Build_299_System_Hangs_By_Bluetooth.txt

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https://bugs.launchpad.net/bugs/996438

Title:
  Panda: Bluetooth functionality broken

Status in Linaro Texas Instruments Landing Team:
  Fix Released
Status in Linaro Ubuntu Evaluation Builds:
  In Progress

Bug description:
  Description:
  ----------------
  Using
  hwpack:
  http://snapshots.linaro.org/precise/hwpacks/lt-panda-x11-base/32/hwpack_linaro-lt-panda-x11-base_20120505-32_armhf_supported.tar.gz
  Rootfs:
  http://snapshots.linaro.org/precise/images/ubuntu-desktop/119/linaro-precise-ubuntu-desktop-20120426-119.tar.gz

  Bluetooth functionality is broken, BT configuration not listed as well as scan does not work.
  Running test : https://wiki.linaro.org/Platform/QA/TestCases/Ubuntu#Bluetooth

  Logs:
  ------
  #hciconfig   -no output
  #hcitool scan 
  Device is not available: No Such device

  Impact:
  ----------
  Can't test Bluetooth functionality.

  Steps to reproduce:
  --------
  Follow steps from here : https://wiki.linaro.org/Platform/QA/TestCases/Ubuntu#Bluetooth

  Hardware:
  ----------
  Panda Board 4430 and 4460
  Class 10 SD card - transcend

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