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I have an Alienware M17xR4 with Radeon HD 7970m, driver installed is VESA:WIMBLEDON.

I usually use my notebook at home or at work... At work I have the possibility to use a dual monitor setting, to profit from a better view of code, optimizing a little bit the work. So 1 monitor at home, 2 monitors at work.

When the settings are in 1 monitor only, everything works fine. But, when I plug the other one, the "phantom" things starts... haha.

My ubuntu didn't keep the configurations I set in ~/.config/monitors.xml, I have always to change this file, and run ">sudo amdcccle" to configure and re-configure.

Now, the "phantom" things, it didn't keep the settings, sometimes it works, sometimes don't. Sometimes, after 1 minute or less (without any input from me, keyboard, mouse, etc...), the settings changes, and goes back or to a clone display, or to 1 display only, or the position changes (the external goes from left to right).

When it happens, I check the monitors.xml file and there is a lot of configurations, which I deleted when I first check at the beginning.

So, I wonder if there is a bash file that triggers it.

Thank you in advance.
Ask for some logs, I don't know a lot of Ubuntu to provide the right log data right now.

EDIT 1:

Uploaded video of the problem, see what's happening:
http://www.youtube.com/watch?v=P1BjLal5eko
After recorded, I noticed that the settings changes every 30 seconds without any input.

xrandr output:

Screen 0: minimum 320 x 200, current 3200 x 1080, maximum 3200 x 3200
LVDS connected 1920x1080+1280+0 (normal left inverted right x axis y axis) 382mm x 215mm
   1920x1080      60.0*+
   1680x1050      60.0  
   1400x1050      60.0  
   1600x900       60.0  
   1280x1024      60.0  
   1440x900       60.0  
   1280x960       60.0  
   1280x768       60.0  
   1280x720       60.0  
   1024x768       60.0  
   1024x600       60.0  
   800x600        60.0  
   800x480        60.0  
   640x480        60.0  
DFP1 disconnected (normal left inverted right x axis y axis)
DFP2 disconnected (normal left inverted right x axis y axis)
DFP3 disconnected (normal left inverted right x axis y axis)
DFP4 disconnected (normal left inverted right x axis y axis)
DFP5 disconnected (normal left inverted right x axis y axis)
DFP6 disconnected (normal left inverted right x axis y axis)
CRT1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
   1280x1024      60.0 +   75.0* 
   1280x960       60.0  
   1152x864       75.0     60.0  
   1280x768       60.0  
   1280x720       60.0  
   1024x768       75.0     70.1     60.0  
   1024x600       75.0     70.1     60.0  
   800x600        72.2     75.0     60.3     56.2  
   800x480        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     67.0     59.9  

file: ~/.config/monitors.xml (the what I want settings)

<monitors version="1">
  <configuration>
      <clone>no</clone>
      <output name="LVDS">
          <vendor>LGD</vendor>
          <product>0x02da</product>
          <serial>0x00000000</serial>
          <width>1920</width>
          <height>1080</height>
          <rate>60</rate>
          <x>1280</x>
          <y>0</y>
          <rotation>normal</rotation>
          <reflect_x>no</reflect_x>
          <reflect_y>no</reflect_y>
          <primary>yes</primary>
      </output>
      <output name="DFP1">
      </output>
      <output name="DFP2">
      </output>
      <output name="DFP3">
      </output>
      <output name="DFP4">
      </output>
      <output name="DFP5">
      </output>
      <output name="DFP6">
      </output>
      <output name="CRT1">
          <vendor>SQM</vendor>
          <product>0x01b7</product>
          <serial>0x48413137</serial>
          <width>1280</width>
          <height>1024</height>
          <rate>60</rate>
          <x>0</x>
          <y>0</y>
          <rotation>normal</rotation>
          <reflect_x>no</reflect_x>
          <reflect_y>no</reflect_y>
          <primary>no</primary>
      </output>
  </configuration>
</monitors>
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