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Old 05-06-2013, 01:25 PM   #1
pauldemet1
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Registered: May 2013
Posts: 1

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Dual Video Problems


Need some assistance with video under Ubuntu 11.10. I have a custom device based on the Freescale i.MX6Q ARM processor with two video sources. I can boot into the Ubuntu GUI but the GUI screen only appears in one screen with the other screen blank. When I select the "Displays..." menu option, only one monitor is identified as "Unknown". Fortunately both video sources are still usable since I am able to play AVI videos with gstreamer in either monitor.

I would like to have both monitors identified and configureable under the Ubuntu GUI. I would also like to stretch the desktop across both video sources. Any ideas what I am missing?

In the Xorg.0.log file, I get the following error which would explain why only one monitor is being shown:

[ 23.101] (EE) Screen 1 deleted because of no matching config section.
My xorg.conf file is here:

Section "ServerLayout"
Identifier "Dual Layout"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Samsung"
ModelName "SQ04"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "TBD"
ModelName "CLAA102"
EndSection

Section "Device"
Identifier "i.MX_FBDev0"
Driver "vivante"
Screen 0
Option "fbdev" "/dev/fb0"
Option "vivante_fbdev" "/dev/fb0"
Option "HWcursor" "false"
EndSection

Section "Device"
Identifier "i.MX_FBDev1"
Driver "vivante"
Screen 1
Option "fbdev" "/dev/fb2"
Option "vivante_fbdev" "/dev/fb2"
Option "HWcursor" "false"
EndSection

Section "Screen"
Identifier "Screen0"
Device "i.MX_FBDev0"
Monitor "Monitor0"
EndSection

Section "Screen"
Identifier "Screen1"
Device "i.MX_FBDev1"
Monitor "Monitor1"
EndSection
 
  


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