Comment 5 for bug 30291

here's mine; notice that the 'screen 0 0' crap in the server layout section is is totally absent... some claimed it was the cause of the bug.

Section "Files"
 FontPath "/usr/share/X11/fonts/misc"
 FontPath "/usr/share/X11/fonts/cyrillic"
 FontPath "/usr/share/X11/fonts/100dpi/:unscaled"
 FontPath "/usr/share/X11/fonts/75dpi/:unscaled"
 FontPath "/usr/share/X11/fonts/Type1"
 FontPath "/usr/share/X11/fonts/100dpi"
 FontPath "/usr/share/X11/fonts/75dpi"
 # path to defoma fonts
 FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
 Load "i2c"
 Load "bitmap"
 Load "ddc"
 Load "dri"
 Load "extmod"
 Load "freetype"
 Load "glx"
 Load "int10"
 Load "type1"
 Load "vbe"
EndSection

Section "InputDevice"
 Identifier "Generic Keyboard"
 Driver "kbd"
 Option "CoreKeyboard"
 Option "XkbRules" "xorg"
 Option "XkbModel" "pc104"
 Option "XkbLayout" "us"
EndSection

Section "InputDevice"
 Identifier "Configured Mouse"
 Driver "mouse"
 Option "CorePointer"
 Option "Device" "/dev/input/mice"
 Option "Protocol" "ExplorerPS/2"
 Option "Emulate3Buttons" "true"
EndSection

Section "Device"
 Identifier "NVIDIA Corporation NV34 [GeForce FX 5200]"
 Driver "nvidia"
 BusID "PCI:1:0:0"
 Option "RenderAccel" "true"

 Option "AllowGLXWithComposite" "true"
EndSection

Section "Device"

 Identifier "NVIDIA Corporation NV18 [GeForce4 MX 4000]"

 Driver "nvidia"

 BusID "PCI:2:13:0"

 Option "RenderAccel" "true"

 Option "AllowGLXWithComposite" "true"

EndSection

Section "Monitor"

 Identifier "Generic Monitor"

 HorizSync 30.0 - 70.0

 VertRefresh 50.0 - 160.0

 Option "DPMS"

EndSection

Section "Monitor"

 Identifier "LCD-0"

 HorizSync 31.2 - 80.0

 VertRefresh 56.0 - 85.0

 Option "DPMS"

EndSection

Section "Screen"
 Identifier "Right"
 Device "NVIDIA Corporation NV34 [GeForce FX 5200]"
 Monitor "Generic Monitor"
 DefaultDepth 24
 Option "NoLogo" "true"
 SubSection "Display"
  Depth 1
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 4
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 8
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 15
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 16
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 24
  Modes "1024x768" "800x600" "720x400" "640x480"
 EndSubSection
EndSection

Section "Screen"

 Identifier "Left"

 Device "NVIDIA Corporation NV18 [GeForce4 MX 4000]"

 Monitor "LCD-0"

 DefaultDepth 24

 Option "NoLogo" "true"

 SubSection "Display"

  Depth 1

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection
 SubSection "Display"

  Depth 4

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection
 SubSection "Display"

  Depth 8

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection
 SubSection "Display"

  Depth 15

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection
 SubSection "Display"

  Depth 16

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection
 SubSection "Display"

  Depth 24

  Modes "1280x1024" "1024x768" "800x600" "640x480"

 EndSubSection

EndSection

Section "ServerLayout"
 Identifier "Dual Screen"
 Screen 0 "Left"

 Screen 1 "Right" RightOf "Left"
 InputDevice "Generic Keyboard"
 InputDevice "Configured Mouse"
EndSection

Section "DRI"
 Mode 0666
EndSection