Upgrade to Xorg 7.2 broke Xinerama configuration

[Gilles Dartiguelongue]

Le lundi 23 avril 2007 à 19:54 +0200, Julian von Mendel a écrit :
> >> I upgraded Xorg from 7.1 to version 7.2, and my previously perfectly
> >> working Xinerama configuration with two TFT monitors connected to one
> >> graphic card doesn't work anymore. I used the following xorg.conf, which
> >> shows the same image on both monitors now:
> >> (If you've any questions why this configuration file worked and why
> >> there are so many screens and devices defined, don't ask me, I just
> >> copied and modified it a little...)
> > 
> > Can you post your Xorg log?
> 
> Sure. I attached old.log and new.log, old.log is the log file for the in
> the cited text mentioned xorg.conf, which worked perfectly some time
> ago, new.log ist the log file for the new, rewritten configuration file.

FYI, I also had this problem and here is the config file I'm using
nowadays (dual head on r200). Hope it helps.
-- 
Gilles Dartiguelongue <dartigug at esiee.fr>
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# Any number of monitor sections may be present

Section "Extensions"
	Option "Composite" "enable"
EndSection

Section "ServerLayout"
	Identifier     "Accelerated"
	Screen      0  "DVI" 0 0
	#Screen      1  "CRT" RightOf "DVI"
	InputDevice    "Mouse1" "CorePointer"
	InputDevice    "Keyboard1" "CoreKeyboard"
	#Option	    "Xinerama" "on"
	Option 		"AIGLX" "true"
EndSection

Section "Files"
	FontPath     "/usr/share/fonts/misc/"
	FontPath     "/usr/share/fonts/75dpi/:unscaled"
	FontPath     "/usr/share/fonts/100dpi/:unscaled"
	#FontPath     "/usr/share/fonts/Speedo/"
	FontPath     "/usr/share/fonts/Type1/"
	FontPath     "/usr/share/fonts/75dpi/"
	FontPath     "/usr/share/fonts/100dpi/"
EndSection

Section "Module"
	Load  "dbe"  	# Double buffer extension
	SubSection "extmod"
		Option	    "omit xfree86-dga"
	EndSubSection
	Load  "type1"
	Load  "freetype"
	Load  "drm"
	Load  "glx"
	Load  "dri"
EndSection

Section "ServerFlags"
	Option	    "BlankTime" "5"
	Option	    "StandbyTime" "7"
	Option	    "SuspendTime" "10"
	Option	    "OffTime" "15"
EndSection

Section "InputDevice"
	Identifier  "Keyboard1"
	Driver      "kbd"
	Option	    "AutoRepeat" "400 30"
	Option	    "XkbModel" "pc105"
	Option	    "XkbLayout" "fr"
EndSection

Section "InputDevice"
	Identifier  "Mouse1"
	Driver      "mouse"
	Option	    "Protocol" "IMPS/2"
	Option	    "Device" "/dev/input/mice"
	Option	    "ZAxisMapping" "4 5 6 7"
	Option	    "Buttons" "7"
EndSection

Section "Monitor"
	Identifier   "lg1"
	Option	    "DPMS" "on"
EndSection

Section "Monitor"
	Identifier   "lg2"
	Option	    "DPMS" "on"
EndSection

Section "Device"

  #Option	"MetaModes"			"1280x1024-1280x1024 1024x768-1024x768"
	Identifier  "ATI Radeon DVI"
	Driver      "radeon"
	Option	    "RenderAccel" "on"
	Option	    "CRT2Position" "RightOf"
	Option	    "MetaModes" "1280x1024-1280x1024 1024x768-1024x768"
	#Option	    "backingstore" "true"
	#Option	    "OverlayOnCRTC2" "0"
	BusID       "PCI:0:14:0"
	Option		  "NoMergedXinerama" "false"
	Option		  "MergedXineramaCRT2IsScreen0" "false"

#	Option      "XAANoOffscreenPixmaps" "on"
#	Option      "DRI"           "on"
#	Option      "XVideo"        "on"
#	Option	  	"AccelMethod" "exa"
EndSection

Section "Device"
	Identifier  "ATI Radeon CRT"
	Driver      "radeon"
	Option	    "RenderAccel" "on"
	BusID       "PCI:0:14:0"
#	Option		"AccelMethod" "exa"
	Screen      1
EndSection

Section "Device"
	Identifier  "ATI Intégrée"
	Driver      "ati"
	BusID       "PCI:1:0:0"
EndSection

Section "Screen"
	Identifier "DVI"
	Device     "ATI Radeon DVI"
	Monitor    "lg1"
	DefaultDepth 24

	SubSection "Display"
		Depth 16
		#Virtual 2560 1024
		Modes "1280x1024 1024x768"
	EndSubSection

	SubSection "Display"
		Depth 24
		#Virtual 2560 1024
		Modes "1280x1024 1024x768"
	EndSubSection

#	SubSection "Display"
#		Depth 24
#	EndSubSection
EndSection

Section "Screen"
	Identifier "CRT"
	Device     "ATI Radeon CRT"
	Monitor    "lg2"
	DefaultDepth     24
#	SubSection "Display"
#		Depth 24
#		Virtual 2560 1024
	#EndSubSection
	SubSection "Display"
		Depth 16
		Modes "1280x1024 1024x768"
	EndSubSection

	SubSection "Display"
		Depth 24
		Modes "1280x1024 1024x768"
	EndSubSection
EndSection

Section "DRI"
	Mode         0666
EndSection