tiomap-dev team mailing list archive

[Fathi Boudra <fathi.boudra@xxxxxxxxxx>]

** Changed in: linaro-ubuntu
       Status: Confirmed => Won't Fix

-- 
You received this bug notification because you are a member of TI OMAP
Developers, which is subscribed to ubuntu-omap4-extras-graphics.
https://bugs.launchpad.net/bugs/803462

Title:
  Unable to display graphics on two screens connected

Status in Linaro Ubuntu Engineering Builds:
  Won't Fix
Status in Ubuntu OMAP4 graphics addons:
  Confirmed

Bug description:
  When two displays are connected to PandaBoard then only one is
  displaying something:

  1. boot with DVI and HDMI connected - only DVI one works (when it get unplugged then no graphics at all)
  2. boot with DVI and then connect HDMI one - only DVI works
  3. boot with HDMI and then connect DVI one - only HDMI works
  4. boot without monitors, connect HDMI - I got:
  [  109.568664] omapdss HDMI error: Failed to program DDC

  [  109.583587] omapdss HDMI error: E-EDID checksum failed!!
  [  109.648529] omapdss HDMI error: Failed to program DDC
  [  109.724914] omapdss HDMI error: Failed to program DDC
  [  109.781311] omapdss HDMI error: Failed to program DDC

  and then:
  Screen 0: minimum 640 x 480, current 1024 x 768, maximum 2048 x 2048
  pvr0 disconnected
  pvr1 connected
     1024x768       60.0  
     800x600        60.3  
     848x480        60.0  

  When connected DVI cable:
  [  508.846557] omapdss HDMI error: Failed to program DDC
  [  508.865447] omapdss HDMI error: Failed to program DDC
  Screen 0: minimum 640 x 480, current 1024 x 768, maximum 2048 x 2048
  pvr0 connected
     1280x960       59.9  
     1280x720       59.7  
     720x480        59.9  
     720x400        70.1  
  pvr1 connected
     1024x768       60.0  
     800x600        60.3  
     848x480        60.0  
  linaro@linaro:/root$ xrandr --output pvr0[  516.333160] omapdss HDMI error: Failed to program DDC
  [  516.352142] omapdss HDMI error: Failed to program DDC
    --auto 
  [  519.346923] omapdss HDMI error: Failed to program DDC
  [  519.366333] omapdss HDMI error: Failed to program DDC
  linaro@linaro:/root$ xrandr --output pvr0  --auto 
  [  520.973754] omapdss HDMI error: Failed to program DDC
  [  520.992523] omapdss HDMI error: Failed to program DDC

To manage notifications about this bug go to:
https://bugs.launchpad.net/linaro-ubuntu/+bug/803462/+subscriptions