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[Bug 989480] Re: Panda: Display does not come up after bootup

 

I believe this is probably related with Unity 3d and the current SGX
driver we have.

Would you mind selecting unity 2d and rebooting to see if you're able to
reproduce the issue? I believe with unity-2d it should always work.

** Changed in: linaro-ubuntu
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/989480

Title:
  Panda: Display does not come up  after bootup

Status in Linaro Texas Instruments Landing Team:
  New
Status in Linaro Ubuntu Evaluation Builds:
  Incomplete

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

  Unable to get display up - display remains dark, only mouse icon can
  be seen.

  Using following image:
  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:
  ---------------
  Seen only , 1/8 

  
  Impact:
  ----------
  Need to reboot device.

  Steps:
  -------
  1. Create sd card image , and put sd card on panda board 4430:
  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

  2. Bootup board.

  Issue: Display does not show any update.

  
  Logs:
  -----
  Serial logs attached.

  last few lines from serial logs:
  ----------------
  root@linaro-ubuntu-desktop:~# [   60.362396] hdmi_check_hpd_state says 1
  [   61.440521] hdmi_check_hpd_state says 1
  [   73.839294] omapdss error: operation stopped when reading edid
  [   76.937286] omapdss error: operation stopped when reading edid
  [   78.612487] hdmi_check_hpd_state says 1

  root@linaro-ubuntu-desktop:~# 
  root@linaro-ubuntu-desktop:~# 
  root@linaro-ubuntu-desktop:~# 
  root@linaro-ubuntu-desktop:~# 
  root@linaro-ubuntu-desktop:~# [   98.354583] hdmi_check_hpd_state says 1
  [   99.119842] omapdss error: operation stopped when reading edid

  root@linaro-ubuntu-desktop:~# 
  root@linaro-ubuntu-desktop:~#

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