bad display on second head

Jason Kim jason at userful.com
Wed Dec 28 15:32:12 PST 2005


X version: X11R7.0
Video Card: Radeon 7000 (dual heads card)

Problem:
The second head of Radeon 7000 that is configured as Xinerama shows very
bad display. It seems like the image on the second head is the same one
on the first head, but it is very crappy.  Same configuration was
working properly with X11R6.8.2.

Here is the xorg.conf:

Section "Files"
        FontPath        "unix/:7100"
EndSection

Section "Module"
        Load  "dbe"
        Load  "extmod"
        Load  "fbdevhw"
        Load  "glx"
        Load  "record"
        Load  "freetype"
        Load  "type1"
EndSection

###########
# keyboard
###########
Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option "XkbLayout" "us"
        Option "XkbModel" "pc105"
EndSection

########
# mouse
########
Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Device" "/dev/input/mice"
        Option      "Protocol" "ImPS/2"
        Option      "Emulate3Buttons" "off"
        Option      "ZAxisMapping" "4 5"
EndSection

##########
# Monitor
##########
Section "Monitor"
        Identifier "Monitor"
        VendorName "Monitor Vendor"
        ModelName "Monitor Model"
        HorizSync 28-78
        VertRefresh 43-75
EndSection

#########
# Device
#########
Section "Device"
        Identifier "Videocard0"
        Driver "radeon"
        VendorName ""
        BoardName "ATI Radeon 7000"
        BusID "PCI:0:8:0"
        Screen 0
        Option "MonitorLayout" "CRT, CRT"
        Option "DisplayPriority" "AUTO"        
EndSection
Section "Device"
        Identifier "Videocard1"
        Driver "radeon"
        VendorName ""
        BoardName "ATI Radeon 7000"
        BusID "PCI:0:8:0"
        Screen 1
        Option "MonitorLayout" "CRT, CRT"
        Option "DisplayPriority" "AUTO"        
EndSection

#################
# Screen section
#################
Section "Screen"
        Identifier "Screen0"
        Device "Videocard0"
        Monitor "Monitor"
        DefaultDepth 16
        SubSection "Display"
                Depth 8
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 15
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 16
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 24
                Modes "640x480"
        EndSubSection
EndSection
Section "Screen"
        Identifier "Screen1"
        Device "Videocard1"
        Monitor "Monitor"
        DefaultDepth 16
        SubSection "Display"
                Depth 8
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 15
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 16
                Modes "640x480"
        EndSubSection
        SubSection "Display"
                Depth 24
                Modes "640x480"
        EndSubSection
EndSection

#######################
# Server Layout section
#######################
Section "ServerLayout"
        Identifier     "xorg.conf"
        Screen "Screen0"
        Screen "Screen1" RightOf "Screen0"
        InputDevice     "Keyboard0"     "CoreKeyboard"
        InputDevice     "Mouse0"        "CorePointer"
        Option "Xinerama" "on"
EndSection







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