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[Botao Sun <botao.sun@xxxxxxxxxx>]

On Panda 4430 board, it can't enter suspend mode. After click suspend,
the display turn black then turn to the log in screen. However, if wait
for longer time, such like 5 minutes, the board can finally enter the
suspend mode, LED is still lighting though.

Observed on hardware pack:

http://snapshots.linaro.org/precise/hwpacks/lt-panda-x11-base/197
/hwpack_linaro-lt-panda-x11-base_20120723-197_armhf_supported.tar.gz

with ubuntu rootfs image:

http://snapshots.linaro.org/precise/images/ubuntu-desktop/305/linaro-
precise-ubuntu-desktop-20120723-305.tar.gz

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https://bugs.launchpad.net/bugs/989547

Title:
  Panda: suspend resume fails

Status in Linaro Texas Instruments Landing Team:
  Confirmed
Status in Linaro Ubuntu Evaluation Builds:
  Confirmed

Bug description:
  Description:
  ---------------

  Device not able to resume after entering suspend mode.

  Tested using:
  http://snapshots.linaro.org/precise/hwpacks/lt-panda-x11-base/10/hwpack_linaro-lt-panda-x11-base_20120426-10_armhf_supported.tar.gz
  http://snapshots.linaro.org/precise/images/ubuntu-desktop/119/linaro-precise-ubuntu-desktop-20120426-119.tar.gz

  Reproducible:
  ---------------
  Yes , 5/5

  Steps to reproduce:
  ---------------------
  Follow test case description:
  https://wiki.linaro.org/Platform/QA/TestCases/Ubuntu#Suspend.2BAC8-Resume

  
  Hardware: 
  ----------
  Panda 4430

  Software:
  -----------
  http://snapshots.linaro.org/precise/hwpacks/lt-panda-x11-base/10/hwpack_linaro-lt-panda-x11-base_20120426-10_armhf_supported.tar.gz
  http://snapshots.linaro.org/precise/images/ubuntu-desktop/119/linaro-precise-ubuntu-desktop-20120426-119.tar.gz

  sd card image created:
  sudo linaro-media-create --mmc /dev/sdb --dev panda --hwpack hwpack_linaro-lt-panda-x11-base_20120426-10_armhf_supported.tar.gz --binary linaro-precise-ubuntu-desktop-20120426-119.tar.gz

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